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VaultPilot MCP

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Self-custodial DeFi for AI agents. The agent proposes, you approve on your Ledger — designed for the threat model where the agent, MCP, and host can all be compromised. Only the device is trusted; private keys never leave it.

VaultPilot MCP demo

Read on-chain positions and prepare transactions across Ethereum, Arbitrum, Polygon, Base, Optimism, TRON, Solana, Bitcoin, and Litecoin. Supported protocols: Aave V3, Compound V3, Morpho Blue, Uniswap V3 (swap + LP verbs), Curve, Lido, EigenLayer, Rocket Pool, Safe (Gnosis) multisig on EVM, MarginFi, Kamino, Marinade, Jito on Solana, SunSwap on TRON, plus LiFi (EVM + EVM↔Solana + TRON + BTC swap/bridge) and Jupiter v6 (Solana swap), with 1inch as an optional EVM quote cross-check. EVM signs over WalletConnect → Ledger Live; TRON, Solana, Bitcoin and Litecoin sign over USB HID directly to the device (Ledger Live's WalletConnect bridge does not support those namespaces today). Works with Claude Code (CLI/terminal), Cursor, and any MCP-compatible client over stdio. Claude.ai chat (web + native desktop app) needs a hosted MCP endpointon the roadmap, not yet shipped.

Agents: read AGENTS.md. One-line prompt to paste into Claude Code / Cursor / any MCP-capable agent:

Install VaultPilot MCP from https://github.com/szhygulin/vaultpilot-mcp following AGENTS.md.

Features

  • Portfolio — cross-chain balances, DeFi position aggregation, USD totals, NFT collections (EVM + Solana via Helius DAS), wallet-level PnL (mtd / ytd / 30d / 7d / 1d), daily briefing

  • Positions — Aave, Compound, Morpho, Uniswap V3 LP, Curve, MarginFi, Kamino, Safe (Gnosis) multisig; multi-protocol health-factor alerts; liquidation-risk simulation

  • Staking — Lido (stake / unstake / stETH↔wstETH wrap) + EigenLayer + Rocket Pool (EVM); TRON Stake 2.0 (freeze / unfreeze / vote / claim); Solana (Marinade, Jito, native delegate/deactivate/withdraw)

  • Swaps + bridges — LiFi (EVM + EVM↔Solana + TRON + BTC routes, optional 1inch cross-check), Jupiter v6 (Solana), direct Uniswap V3, Curve, SunSwap (TRON)

  • Execution — prepare/sign for every supported protocol + native/token sends, ERC-20 approvals + revoke, WETH wrap/unwrap, prepare_custom_call escape hatch for arbitrary verified-contract calls. Solana sends use a per-wallet durable-nonce account so Ledger review doesn't race the ~60s blockhash window; every Solana prepare runs a simulateTransaction gate so program-level reverts fail at prepare time, not on broadcast.

  • Bitcoin + Litecoin — native segwit + taproot sends, BIP-125 RBF fee-bumps, PSBT multisig (combine / sign / finalize), BIP-137 message signing, mempool.space fee estimation, optional Bitcoin Core / Litecoin Core RPC for forensic chain reads (forks, mempool census, fee percentiles)

  • Security — contract verification, upgradeability checks, privileged-role enumeration, DefiLlama-backed risk score, on-device Ledger attestation + firmware version pin, verify_tx_decode for second-LLM bytes-vs-intent cross-check, signed on-disk contacts/address-book

  • Utilities — ENS resolution, symbol→contract resolve_token registry, token balances, allowance enumeration, tx status, explain_tx post-hoc decode, compare_yields across lending + LST adapters

  • Demo mode — curated personas (whale / defi-degen / stable-saver / staking-maxi) for first contact with no RPC keys / Ledger / config file

Related MCP server: ethereum-tools

Security model

Compromise model: the AI agent, MCP server, and host computer can all be attacker-controlled. Only the Ledger is trusted. Every transaction is cryptographically bound across each layer so tampering — a swapped recipient, a rewritten swap route, a smuggled approval — is tamper-evident on the device screen before signing.

user-intent ──► agent ──► MCP server ──► WalletConnect / USB-HID ──► Ledger Live / host ──► Ledger device

Defense in depth: server-side prepare↔send fingerprint, independent 4byte.directory selector check, agent-side ABI decode + pre-sign hash recompute, on-device clear-sign or blind-sign-hash match, WalletConnect session-topic cross-check, previewToken/userDecision gate, and get_verification_artifact for second-LLM cross-verification on high-value flows. See SECURITY.md for the full threat model, defenses table, residual risks, and verification recipes.

The MCP's own CHECKS PERFORMED directives can be silently omitted by a compromised server. Install the companion vaultpilot-security-skill so the agent enforces cryptographic-integrity invariants regardless of what the MCP says — bytes decode, dispatch-target allowlist, hash recompute, chain-must-be-explicit, bridge-recipient cross-check, approval-class surfacing, always-optional second-LLM offer surfaced on every preview, set-level intent verification, durable-binding source-of-truth:

git clone https://github.com/szhygulin/vaultpilot-security-skill.git \
  ~/.claude/skills/vaultpilot-preflight

Restart Claude Code. The skill file's SHA-256 is pinned in the server source; on-disk tamper or plugin collision surfaces as integrity check FAILED.

Conversational /setup (optional)

For chat-driven onboarding that detects current config and only collects keys you actually need, install the companion vaultpilot-setup-skill:

git clone https://github.com/szhygulin/vaultpilot-setup-skill.git \
  ~/.claude/skills/vaultpilot-setup

Restart, then type /setup.

Supported chains

EVM — Ethereum, Arbitrum, Polygon, Base, Optimism. Lido reads on Ethereum + Arbitrum, Lido writes Ethereum-only. EigenLayer + Morpho Blue + Rocket Pool Ethereum-only. Compound V3 + Aave V3 + Uniswap V3 + LiFi + Safe multisig span all five chains; per-protocol address coverage varies — readers short-circuit cleanly where a protocol isn't deployed.

TRON — TRX + canonical TRC-20 stablecoins (USDT, USDC, USDD, TUSD); Stake 2.0 freeze/unfreeze/withdraw-expire-unfreeze + voting-reward claims; SunSwap (same-chain TRX↔TRC-20 swaps); LiFi-routed TRON↔EVM bridging. No lending/LP (Aave/Compound/Morpho/Uniswap aren't deployed). Pair once per session via pair_ledger_tron.

Solana — SOL + SPL balances, MarginFi + Kamino lending, Marinade / Jito / native stake-account reads with SOL-equivalent valuation, Jupiter v6 quotes, Helius DAS NFT portfolio. Writes cover SOL/SPL transfers, MarginFi + Kamino supply/withdraw/borrow/repay, Jupiter swaps, Marinade stake + immediate-unstake, Jito stake-pool deposit, native SOL delegate/deactivate/withdraw, and LiFi-routed EVM↔Solana bridging. Per-wallet durable-nonce account (~0.00144 SOL rent, reclaimable) protects sends from blockhash expiry during Ledger review (prepare_solana_nonce_init / _close). SPL / MarginFi / Kamino / Jupiter / Jito blind-sign against a Message Hash — enable Allow blind signing in the Solana app's Settings; SOL native transfers clear-sign. Pair once per session via pair_ledger_solana.

Bitcoin + Litecoin — balance, UTXO, fee-estimate, and tx-history readers via Esplora (mempool.space / litecoinspace.org). Native segwit + taproot sends, BIP-125 RBF fee-bumps, multisig PSBT (combine / sign / finalize), BIP-137 message signing, LiFi-routed BTC→EVM/Solana swaps. Optional Bitcoin Core / Litecoin Core JSON-RPC unlocks forensic tools that Esplora cannot serve (chain tips, block stats, mempool summary) — see INSTALL.md §9 for setup. Pair once via pair_ledger_btc / pair_ledger_ltc.

Ledger Live's WalletConnect bridge does not honor the tron: namespace (verified 2026-04-14) or expose Solana accounts (verified 2026-04-23) or expose BTC/LTC namespaces, which is why those paths use USB HID. Readers short-circuit cleanly on chains where a protocol isn't deployed.

Roadmap

ROADMAP.md.

Tools

~190 tools across read / pair-Ledger / prepare / sign+send / verify / diagnostic categories. Highlights below; each tool has a Zod input schema and verbose description — query the MCP server's tools/list for the canonical surface.

Portfolio + positions (read-only):

  • get_portfolio_summary, get_portfolio_diff, get_pnl_summary, get_daily_briefing — cross-chain USD aggregation; optional tronAddress / solanaAddress fold those chains in

  • get_lending_positions (Aave), get_compound_positions, get_morpho_positions, get_marginfi_positions, get_kamino_positions, get_curve_positions, get_safe_positions — per-protocol positions + health factors

  • get_lp_positions — Uniswap V3 LP + IL estimate

  • get_staking_positions, get_staking_rewards, estimate_staking_yield — Lido + EigenLayer + Rocket Pool

  • get_solana_staking_positions — Marinade + Jito + native stake-account enumeration with activation status and SOL-equivalent valuation

  • get_tron_staking, list_tron_witnesses — TRON Stake 2.0 state + SR list

  • get_nft_portfolio (EVM + Solana DAS), get_nft_collection, get_nft_history, get_nft_listings (EVM)

  • get_btc_balance / _balances / _account_balance / _multisig_balance / _multisig_utxos / _tx_history / _fee_estimates, get_ltc_balance — BTC + LTC reads via Esplora

  • get_compound_market_info — wallet-less Comet snapshot

  • get_health_alerts, simulate_position_change — multi-protocol liquidation-risk tooling

  • compare_yields — rank lending APRs across Aave / Compound / Morpho / Marinade / Jito / Kamino-lend / MarginFi

  • get_marginfi_diagnostics — banks the bundled SDK skipped, with root cause

Tokens, prices, history:

  • get_token_balance, get_token_price, get_token_metadata, get_token_allowances, get_coin_price — balances + DefiLlama prices on EVM/TRON/Solana; get_token_metadata detects EIP-1967 proxies

  • get_transaction_history — merged tx reader (external / ERC-20 / internal / Solana program_interaction) with 4byte-decoded methods + historical USD

  • get_transaction_status — poll inclusion by hash

  • explain_tx — post-hoc decode of a historical tx

  • resolve_token, resolve_ens_name, reverse_resolve_ens

Forensic chain reads (require Bitcoin/Litecoin Core RPC):

  • get_btc_block_tip / _block_stats / _blocks_recent / _chain_tips / _mempool_summary, get_ltc_* equivalents

  • build_incident_report, get_market_incident_status — Compound/Aave pause + utilization scan and BTC/LTC chain-tip / mempool-anomaly bundle

Quotes + security signals:

  • get_swap_quote (LiFi, EVM), get_solana_swap_quote (Jupiter v6)

  • check_contract_security, check_permission_risks, get_protocol_risk_score, get_contract_abi, read_contract

  • simulate_transaction — EVM eth_call preview (Solana equivalent runs inside preview_solana_send)

  • verify_tx_decode, get_verification_artifact, get_tx_verification — second-LLM cross-verification + 15-min-TTL handle re-emit (details)

Diagnostics:

  • get_solana_setup_status — probe nonce + MarginFi account PDAs

  • get_vaultpilot_config_status — local config diagnostic (RPC sources, key presence, paired-account counts, WC topic suffix, skill state). Booleans / counts only — no secret values.

  • get_ledger_device_info, get_ledger_status, verify_ledger_attestation / _firmware / _live_codesign — device + session discovery, on-device attestation, firmware-version pin

Contacts + read-only sharing:

  • add_contact / remove_contact / list_contacts / verify_contacts — local Ledger-signed address book at ~/.vaultpilot-mcp/contacts.json

  • generate_readonly_link / import_readonly_token / list_readonly_invites / revoke_readonly_invite — issue scoped read-only portfolio links

  • share_strategy / import_strategy — anonymized portfolio snapshots

Execution (Ledger-signed):

  • pair_ledger_live (EVM/WC), pair_ledger_tron / _solana / _btc / _ltc (USB HID)

  • prepare_aave_*, prepare_compound_*, prepare_morpho_* — EVM lending (supply / borrow / withdraw / repay)

  • prepare_lido_stake / _unstake / _wrap / _unwrap (stETH↔wstETH), prepare_eigenlayer_deposit, prepare_rocketpool_stake / _unstake

  • prepare_swap (LiFi), prepare_native_send, prepare_token_send, prepare_token_approve, prepare_revoke_approval, prepare_weth_unwrap

  • prepare_uniswap_swap — direct V3 swap, same-chain, auto-picks fee tier across 100/500/3000/10000 bps. Use only when the user names Uniswap; otherwise prefer LiFi

  • prepare_uniswap_v3_mint / _increase_liquidity / _decrease_liquidity / _collect / _burn / _rebalance — full LP verb set

  • prepare_curve_swap, prepare_curve_add_liquidity

  • prepare_safe_tx_propose / _approve / _execute, submit_safe_tx_signature — Safe multisig proposal flow

  • prepare_custom_call — escape hatch for arbitrary verified-contract calls (acknowledgeNonProtocolTarget: true gate; bypasses the canonical-dispatch allowlist by design)

  • prepare_tron_* — native + TRC-20 transfers, WithdrawBalance, Stake 2.0, vote, claim rewards, TRC-20 approve, LiFi swap, SunSwap swap (prepare_sunswap_swap)

  • prepare_solana_nonce_init / _close — one-time durable-nonce PDA setup/teardown

  • prepare_solana_native_send, _spl_send (auto-includes ATA create), prepare_solana_swap (Jupiter), prepare_solana_lifi_swap

  • prepare_marginfi_init, _supply, _withdraw, _borrow, _repay

  • prepare_kamino_init_user, _supply, _withdraw, _borrow, _repay

  • prepare_marinade_stake / _unstake_immediate (fee applies; unstake-ticket delayed path deferred), prepare_jito_stake (stake only — unstake deferred), list_solana_validators

  • prepare_native_stake_delegate / _deactivate / _withdraw — native SOL staking

  • prepare_btc_send, prepare_btc_rbf_bump, prepare_btc_multisig_send, register_btc_multisig_wallet / unregister_btc_multisig_wallet, combine_btc_psbts, sign_btc_multisig_psbt, finalize_btc_psbt, sign_message_btc, prepare_btc_lifi_swap, rescan_btc_account

  • prepare_litecoin_native_send, sign_message_ltc, rescan_ltc_account

  • preview_send (EVM) — pins gas, emits LEDGER BLIND-SIGN HASH for pre-match, mints previewToken; required between every EVM prepare_* and send_transaction

  • preview_solana_send — pins nonce/blockhash, computes Message Hash for on-device match, runs simulation, emits CHECKS PERFORMED; required between every prepare_solana_* and send_transaction

  • send_transaction — forwards to Ledger (EVM via WC, TRON/Solana/BTC/LTC via USB HID)

Meta:

  • request_capability — file a missing-feature GitHub issue. Default returns a pre-filled URL (no auto-submit); rate-limited 3/hour

  • set_etherscan_api_key, set_helius_api_key, set_demo_wallet, exit_demo_mode, get_demo_wallet, get_update_command — runtime knobs

Requirements

  • Node.js ≥ 18.17

  • Zero-config reads: PublicNode (EVM) + Solana public mainnet — rate-limited but enough for first contact and light use.

  • Real use: custom RPC (Infura / Alchemy / Helius / QuickNode / Triton) via env vars or vaultpilot-mcp setup.

  • Optional keys (prompted on demand): Etherscan, 1inch (enables swap-quote comparison), WalletConnect project ID (required for EVM Ledger signing), TronGrid (raises the ~15 req/min anonymous cap).

  • TRON / Solana signing: USB HID access to a Ledger with the Tron / Solana app installed. Linux: install Ledger's udev rules (vaultpilot-mcp setup prints the exact one-liner). Debian/Ubuntu also need sudo apt install libudev-dev build-essential for node-hid to compile.

Install

Three paths — full instructions, MCP-client wiring, Gatekeeper / SmartScreen handling, update / uninstall in INSTALL.md.

Path

TL;DR

Bundled binary (no Node)

Download from the latest release, chmod +x, <binary> setup.

From npm

npm install -g vaultpilot-mcp && vaultpilot-mcp setup

From source

git clone https://github.com/szhygulin/vaultpilot-mcp.git && cd vaultpilot-mcp && npm install --legacy-peer-deps && npm run build && npm run setup

Setup

npm run setup

Picks RPC providers, validates keys, optionally pairs Ledger Live, writes ~/.vaultpilot-mcp/config.json. Env vars override the config.

Demo mode

Try without RPC keys, Ledger pairing, or the wizard:

claude mcp add vaultpilot-mcp --env VAULTPILOT_DEMO=true -- npx -y vaultpilot-mcp

--demo is the equivalent CLI flag; explicit env wins, so VAULTPILOT_DEMO=false is a deterministic opt-out for scripted invocations.

  • Reads run against real RPC; every wallet is a curated public persona (whale, defi-degen, stable-saver, staking-maxi).

  • send_transaction returns a simulation envelope: unsigned tx is simulate_transaction'd for revert detection, nothing signed, nothing broadcast.

  • pair_ledger_*, request_capability, sign_message_* are refused outright. With no persona selected, signing-class tools refuse with a structured error pointing at set_demo_wallet.

  • Multi-step flows whose preconditions are state changes (e.g. prepare_solana_nonce_initmarinade_stake) can't be rehearsed end-to-end — simulated sends don't mutate chain state. The MCP surfaces a one-shot hint when it detects the agent-loop trap.

get_demo_wallet lists personas + addresses + rehearsableFlows. set_demo_wallet({ persona }) activates one. State is process-local. exit_demo_mode returns a handoff guide for permanent setup. Demo is a scaffold for first contact, not a sandbox — no virtual chain overlay.

For Solana RPC throttling under multi-tool fan-out, inject a Helius key at runtime: set_helius_api_key({ key }). Demo mode nudges proactively after 10 public-RPC throttle errors.

Use with Claude Code (CLI) / Cursor / Claude Desktop

vaultpilot-mcp setup detects installed clients and registers vaultpilot-mcp with each (existing configs backed up to <file>.vaultpilot.bak). Per-project / per-workspace configs are skipped — the wizard runs from arbitrary CWD. For manual wiring or the per-client config paths, see INSTALL.md §5.

Claude.ai chat — limitation. Local stdio MCP installed via the wizard registers cleanly with the Claude.ai native desktop app, but the host environment's outbound-HTTP allowlist blocks chain RPC providers (PublicNode, public Solana mainnet, Alchemy, Helius, etc.). The MCP initializes and processes tool calls, but every read that hits an external RPC fails with 403 / "Host not in allowlist". The same applies to Claude Code running inside Claude.ai's cloud sandbox. Working today: Claude Code CLI in your terminal, Cursor, Claude Desktop on a host with unrestricted outbound HTTP. Future: a hosted MCP endpoint (roadmap, not yet shipped) will give Claude.ai chat a network-unrestricted backend; TRON / Solana / Bitcoin / Litecoin USB-HID signing requires a local Ledger and stays on the terminal CLI / Cursor path regardless.

Environment variables

All optional if the matching field is in ~/.vaultpilot-mcp/config.json; env wins.

  • ETHEREUM_RPC_URL, ARBITRUM_RPC_URL, POLYGON_RPC_URL, BASE_RPC_URL, SOLANA_RPC_URL — custom RPC endpoints

  • RPC_PROVIDER (infura | alchemy) + RPC_API_KEY — alternative to custom URLs

  • ETHERSCAN_API_KEY, ONEINCH_API_KEY, TRON_API_KEY, WALLETCONNECT_PROJECT_ID

  • RPC_BATCH=1 — opt into JSON-RPC batching (off by default; many public endpoints mishandle batched POSTs)

  • VAULTPILOT_ALLOW_INSECURE_RPC=1 — opt out of https/private-IP RPC checks (local anvil/hardhat only)

  • VAULTPILOT_FEEDBACK_ENDPOINT — optional https proxy for request_capability direct POSTs. The client does not authenticate; the proxy MUST.

  • VAULTPILOT_SKILL_MARKER_PATH — suppress the preflight-skill notice (read-only users opting in)

  • VAULTPILOT_DISABLE_SKILL_AUTOINSTALL=1 — skip the lazy first-run git clone of companion skills (air-gapped / no-egress)

  • VAULTPILOT_DEMO=true — enable demo mode; literal "true" only, other values rejected

  • VAULTPILOT_DISABLE_UPDATE_CHECK=1 — skip the once-per-session registry.npmjs.org update check (air-gapped)

Development

npm run dev      # tsc --watch
npm test         # vitest run
npm run test:watch

Contributing

PRs welcome. The CLA Assistant bot will ask you to sign the Contributor License Agreement on your first PR — one signature covers all future PRs. The CLA grants the project the right to relicense your contribution; without it, the BUSL-1.1 → Apache 2.0 auto-conversion in 2030 would get stuck. Repo owner and Dependabot are exempt.

License

Business Source License 1.1 — see LICENSE.

  • Personal self-custodial use is free, including yield / swap / lend / stake on your own behalf.

  • Internal organizational use is free.

  • Hosted services and embedded redistribution require a commercial license — open an issue or contact the maintainer.

  • Auto-converts to Apache 2.0 on 2030-04-26. Each version's restrictions expire four years after release.

  • Versions ≤ 0.8.2 remain MIT. The license change applies to v0.9.0 onward.

Available Tools

189 tools
add_contactA
Idempotent

Save a label → address binding to the address book. Production mode + Ledger paired: blob is signed with the user's paired Ledger key on that chain (BIP-137 for BTC, EIP-191 for EVM in v1.0; Solana / TRON support deferred to v1.5). Persisted to ~/.vaultpilot-mcp/contacts.json and verified on every read. Production mode + no Ledger paired (issue #428): writes to a process-local in-memory store and returns unsigned: true + anchorAddress: "UNSIGNED_NO_LEDGER" so first-run / accountant-share users can label addresses without entering demo mode (which intercepts broadcasts). The label is process-local — lost on restart — and resolves with a (unsigned) warning in send-flow verification blocks. Pair a Ledger and re-add to upgrade to a signed entry. Demo mode (VAULTPILOT_DEMO=true): same in-memory store, returns unsigned: true + anchorAddress: "DEMO_ANCHOR". All four chains usable from day one (btc/evm/solana/tron). v1.0 production chains: btc + evm. solana / tron return CONTACTS_CHAIN_NOT_YET_SUPPORTED. The notes and tags fields update the unsigned metadata sidecar (joined across chains by label) so editing them doesn't require a fresh device signature. Sends like prepare_native_send({ to: "Mom" }) resolve Mom against the signed blob first, then fall through to the unsigned overlay with a warning. Adding the same label twice on the same chain replaces the address (with a fresh signature in production-signed mode). Adding a different label that maps to an already-saved address rejects with CONTACTS_DUPLICATE_ADDRESS.

ParametersJSON Schema
NameRequiredDescriptionDefault
chainYesWhich chain's blob to add to. v1.0 ships `btc` + `evm` only. `solana` / `tron` return CONTACTS_CHAIN_NOT_YET_SUPPORTED.
labelYesHuman-readable label, used to look up the contact by name in every prepare flow. Must be unique within a chain — adding the same label twice on the same chain replaces the address.
addressYesOn-chain address. Validated against the chain's address regex at call time; format mismatches reject before any device interaction.
notesNoFree-form note attached to the LABEL (joins across chains via the metadata sidecar — same notes show up on `Mom`'s BTC and EVM rows). Unsigned: tampering with notes does not redirect funds, but the agent surfaces 'notes integrity unverified' alongside the (verified) address.
tagsNoFree-form tags ('family', 'cex-deposit', etc.). Like notes — stored in the unsigned metadata sidecar.
intendedChainsNoEVM-only (issue #482). Tag the contact for specific EVM chains so `preview_send` emits a `CONTACT-CHAIN MISMATCH` warning when a prepare's chain isn't in this list (defense-in-depth for the Carol-on-Arbitrum-sent-on-Ethereum class of mistake). Omit for legacy 'any EVM chain' behavior. Rejected with a clear error for btc/solana/tron contacts.

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description thoroughly discloses behaviors beyond annotations, including persistence details, unsigned mode behavior, duplicate handling, and chain support limitations. Annotations only provide idempotentHint, but the description adds crucial context for safe usage.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is lengthy but well-structured, starting with the core action and then detailing modes. It is information-dense but not bloated; every section serves a purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description is remarkably complete given the tool's complexity (6 parameters, no output schema). It covers all modes, return signatures, constraints, and integration points with prepare flows, leaving no major gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema already has 100% description coverage, providing a baseline of 3. The description adds macro context that clarifies parameter roles (e.g., intendedChains for defense-in-depth), justifying a slightly higher score.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Save a label → address binding to the address book.' It distinguishes from siblings like remove_contact and list_contacts by specifying this is for adding entries.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains when to use the tool across three modes (production+ledger, production no ledger, demo) and how it integrates with send flows. However, it does not explicitly contrast with alternatives like remove_contact or verify_contacts.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

build_incident_reportA
Read-onlyIdempotent

Build a forensic incident-report bundle for a security review or disclosure. Read-only — gathers evidence already available to the server (demo-mode state, paired Ledger summary, skill / pin-drift notice flags) and, if you supply wallet + chain with scope: 'wallet' or 'custom', the wallet's recent on-chain tx history (uses the same data path as get_transaction_history, so address-poisoning suffix-lookalike heuristics are surfaced). Returns BOTH a structured envelope (machine-readable) and a narrative markdown string the user can paste into a GitHub issue / email / disclosure verbatim. REDACTION (default addresses): every address-shaped field is fuzzed to first-4 / last-4 of meaningful chars so the bundle is safe to display before the user has decided where to forward it. Use redact: 'all' to additionally bucket USD amounts to coarse ranges ($1k–10k etc.). Use redact: 'none' only when the user is ready to share full hex with a trusted security contact. v1 SCOPE: this tool only BUILDS the bundle; it does not submit anywhere. The user copies the narrative and routes it manually. A submit_incident_report companion that posts via the request_capability proxy is on the v2 roadmap (see claude-work/plan-incident-report-v2.md). Also deferred from v2: prepared-tx ring-buffer evidence ("last N prepared / broadcast txs"), so v1's tx evidence comes from on-chain history only.

ParametersJSON Schema
NameRequiredDescriptionDefault
scopeNoEvidence-collection scope. `session` (default): notice flags fired this session, demo-mode state, paired Ledger summaries — no on-chain reads. `wallet`: same as `session` PLUS the supplied `wallet`'s recent on-chain history. `custom`: same as `wallet` but lets `incident_class` widen evidence (e.g. allowances for an address-poisoning incident). `last_tx` was reserved in the filed issue but is deferred to v2 (needs the prepared-tx ring buffer).session
incident_classNoWhat category of incident is being reported. Drives which evidence to fetch on top of the always-included session-level summary. `address_poisoning` adds allowance enumeration; `unexpected_tx` / `hash_mismatch` add recent tx history. `skill_pin_drift` adds the live drift status block. `unknown` is the safe default when the user isn't sure which category fits.
walletNoWallet address to scope evidence to. Required when `scope` is `wallet` or `custom`. Format: EVM hex / Solana base58 / TRON T-prefixed base58. Detected automatically from the prefix shape.
chainNoChain context for the wallet. Required when on-chain evidence is fetched (`scope: wallet` or `scope: custom`). Defaults to `ethereum` when omitted in those scopes.
txHashNoTransaction hash anchoring the incident to a specific tx. Surfaced verbatim in the bundle (with redaction applied to the user-facing shape per `redact`). v1 doesn't fetch the tx body itself — the agent / user pastes additional context separately.
redactNoRedaction mode. Default `addresses` fuzzes every address-shaped field (EVM/Solana/TRON/BTC) to first-4/last-4 of meaningful chars so the bundle is safe to display before the user has decided where to forward it. `all` additionally buckets USD amounts to coarse ranges. `none` shows full hex — opt-in only when the user is ready to share with a trusted security contact.addresses

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds rich behavioral context beyond annotations: explains data sources (demo-mode, Ledger, tx history), output formats (envelope + narrative), redaction behavior, v1 limitations (no prepared-tx ring buffer), and roadmap. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured and front-loaded with purpose. Long but efficient, though some roadmap details could be condensed. Every sentence adds value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers all necessary aspects: behavior, outputs, redaction, scopes, incident classes, limitations, and roadmap. Adequate given no output schema and comprehensive schema descriptions.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% with detailed parameter descriptions. The tool description reiterates some parameter context but adds little new meaning beyond what the schema already provides.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds a forensic incident-report bundle for security review or disclosure, and distinguishes itself from siblings by noting it does not submit anywhere (roadmap for submit companion).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Describes when to use (security review/disclosure) and explicitly states it only builds, not submits, and that submission is deferred. Provides guidance on redaction modes and scope selection.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

check_contract_securityA
Read-onlyIdempotent

Check Etherscan verification status, EIP-1967 proxy pattern, implementation/admin slots, and the presence of dangerous admin functions (mint, pause, upgradeTo, etc.) for a given contract. SCOPE: surfaces verification + admin-surface findings — protocol/contract safety only. It does NOT measure token upside, price direction, or investment merit. "No dangerous functions detected" means the admin surface is clean; it says NOTHING about whether the underlying token will appreciate. AGENT BEHAVIOR: this tool surfaces data; it does NOT pick. Do NOT use a clean security report as token-pick validation. Refuse speculative-pick prompts ("what coin will 100x", "should I buy X", "which token will moon") even when this tool was called; surface the security findings for due-diligence only. Issue #599.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressYes
chainYes

TDQS

A3.9/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, so the description reinforces that it 'surfaces data; it does NOT pick.' Adds context about the meaning of 'no dangerous functions' and agent behavior refusal. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is long and includes repetitive warnings and issue references. While informative, it could be more concise. Essential information is present but padded with redundant instructions.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema is provided, yet the description does not explain the output format or structure. For a complex analysis tool, agents need to know what findings are returned. Parameter semantics are also incomplete, leaving gaps in understanding.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 0%, so description must compensate. The description only vaguely alludes to 'a given contract' but does not explain the address or chain parameters. Missing explicit descriptions of parameter purpose, formats, or constraints beyond what the schema provides.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states it checks Etherscan verification, proxy patterns, and dangerous admin functions. Distinguishes from unrelated tools by explicitly stating what it does NOT measure (token upside, price direction, investment merit). Provides a specific SCOPE: 'protocol/contract safety only'.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says to use for due diligence on contract safety. Instructs agents not to use clean security reports as token-pick validation and to refuse speculative prompts. Provides clear when-to-use and when-not-to-use guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

check_permission_risksA
Read-onlyIdempotent

Enumerate privileged roles on a contract (Ownable.owner, AccessControl hints) and classify holders as EOA, Gnosis Safe multisig, or TimelockController. SCOPE: surfaces governance posture (who controls the contract, how hard would it be to rug). It does NOT measure token upside, price direction, or investment merit. A timelock-governed contract is harder to rug than an EOA-owned one — that's a safety floor, NOT an upside signal. AGENT BEHAVIOR: this tool surfaces data; it does NOT pick. Do NOT cite "governed by a multisig / timelock" as token-pick validation. Refuse speculative-pick prompts ("what coin will 100x", "should I buy X", "which token will moon") even when this tool was called; surface the permission findings for due-diligence only. Issue #599.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressYes
chainYes

TDQS

A4.1/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already provide readOnlyHint=true, destructiveHint=false, idempotentHint=true, and openWorldHint=true. The description adds value by explicitly stating the tool 'surfaces data; it does NOT pick' and describing the types of holders it classifies (EOA, Gnosis Safe multisig, TimelockController). This goes beyond annotations without contradicting them.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is informative but verbose, including an issue reference ('Issue #599') and repeated emphasis on what the tool does not do. While well-structured with clear sections, it could be more concise without losing core information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's security focus, the description covers purpose, scope, behavioral constraints, and usage guidelines adequately. However, it lacks details about the return format or output structure, which would be helpful for an agent to process results. No output schema to compensate.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 0% description coverage; the description does not elaborate on the parameters beyond what is in the schema (address pattern, chain enum). The agent must rely solely on the schema definitions, which are minimal. The description adds no new semantic information about the parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Enumerate privileged roles' and specifies the resource (contract roles like Ownable.owner, AccessControl hints) and classification of holders. It distinguishes itself from sibling tools like 'check_contract_security' by focusing specifically on governance posture and explicitly stating what it does not measure (token upside, price direction).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit when-to-use and when-not-to-use guidance. It states the tool is for due diligence, not for picking tokens, and instructs the agent to refuse speculative-pick prompts. It also clarifies the interpretation of results ('safety floor, NOT an upside signal').

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

combine_btc_psbtsA
DestructiveIdempotent

Merge 2-15 partial PSBTs from multi-sig cosigners into one whose inputs carry every cosigner's signature. Each entry must be a base64-encoded PSBT v0 sharing the same unsigned tx body (same inputs/outputs/sequences/locktime); only per-cosigner witness data may differ. Refuses with a clear error when bodies disagree — combining across distinct unsigned txs would silently merge signatures across different transactions. Returns the merged PSBT plus a per-input signature count so the caller can tell whether the threshold has been reached. No device touch.

ParametersJSON Schema
NameRequiredDescriptionDefault
psbtsYesArray of 2-15 base64-encoded PSBT v0 strings to merge. Every entry must share the same unsigned tx body (same inputs in the same order, same outputs in the same order, same sequence numbers, same locktime); only the per-cosigner witness data may differ. Refused if any pair has a mismatched body — combining PSBTs across distinct unsigned txs would silently merge signatures across different transactions.

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds beyond annotations: describes error handling on body mismatch, return of per-input signature count, and 'No device touch' (no hardware interaction). No contradictions with annotations (destructiveHint=true, idempotentHint=true are consistent with merging operation).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Four sentences, front-loaded with core purpose, then constraints, error behavior, and output. No extraneous words. Every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, description covers return value (merged PSBT + signature count), error handling, and constraints. Covers all essential aspects for usage.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Single parameter 'psbts' is fully described in schema (100% coverage). Tool description repeats same constraints, adding no new information beyond the schema's description. Baseline 3 for high coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Explicitly states it merges 2-15 partial PSBTs from multi-sig cosigners, with clear constraints on input format (base64 v0, same unsigned tx body). Distinguishes from sibling tools like sign_btc_multisig_psbt and finalize_btc_psbt by focusing on combination step.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides clear conditions for use (same unsigned tx body, only witness data differs) and error behavior when violated. Could explicitly mention not to use with PSBTs from different transactions, but the constraints imply this. Alternative tools are identifiable from context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

compare_yieldsA
Read-onlyIdempotent

READ-ONLY — return a ranked table of supply-side yield opportunities for a given asset across every integrated lending / staking protocol. v1 covers Aave V3 (5 EVM chains), Compound V3 (5 EVM chains, multi-market per chain), and Lido stETH (Ethereum only). Other protocols (Morpho Blue, MarginFi, Kamino, Marinade, Jito, EigenLayer, Solana native-stake) appear in the response's unavailable[] list with a coverage-gap reason — they need their wallet-less market readers split out from existing wallet-aware readers; tracked as follow-up work. Output per row: protocol, chain, market (free-form: 'cUSDCv3' for Compound, the asset symbol for Aave, 'stETH' for Lido), supplyApr (current, fractional 0.0481 = 4.81%), supplyApy (continuously-compounded), tvl (USD, may be null when the upstream doesn't expose it cheaply), riskScore (0-100 from get_protocol_risk_score, may be null), notes (pause flags, frozen reserves, etc.). Rows are sorted by supplyApr descending; null APR sinks. Filters: chains (default = all EVM mainnets + Solana); minTvlUsd (rows with tvl: null are NOT filtered — no data ≠ tiny market); riskCeiling (only show protocols at LEAST this safe; rows with riskScore: null are NOT filtered). Empty result returns emptyResultReason explaining whether nothing matched at all vs. everything filtered out. AGENT BEHAVIOR: this tool surfaces data; it does NOT pick. Surface the comparison verbatim. Do NOT pick a 'best' option for the user — they decide. The plan's positioning is explicit: 'Here are current supply rates' is right; 'I recommend depositing in X' is OUT.

ParametersJSON Schema
NameRequiredDescriptionDefault
assetYesAsset to compare supply yields for. 'stables' is a meta-asset that expands to USDC + USDT (the two stables every adapter knows). 'ETH' resolves to WETH on EVM lending markets (the wrapped form). 'BTC' resolves to WBTC on EVM. 'SOL' is native on Solana protocols.
chainsNoRestrict to specific chains. Default: all integrated EVM chains + Solana. BTC / LTC have no integrated lending so they return empty — pass them only if you specifically want to confirm the empty result.
minTvlUsdNoMinimum supply-side TVL in USD; rows below the bar are filtered. Rows where TVL is unknown (the upstream didn't expose it) are NOT filtered — surfaced honestly with `tvl: null` so the agent can flag the gap.
riskCeilingNoMinimum protocol risk score (0-100; higher = safer per `get_protocol_risk_score`). Despite the name 'ceiling', the comparison is `score >= ceiling` — only show protocols at LEAST this safe. Rows where the score is unknown are NOT filtered (no data ≠ failed the bar).

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (readOnlyHint, etc.), the description details output format, sorting, null handling for TVL and riskScore, filtering behavior, and edge cases like empty results. It also explains v1 coverage gaps and agent constraints (do not pick), providing significant additional context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is long but well-structured, starting with purpose, then detailing coverage, output, filters, and agent behavior. Every sentence serves a purpose, though the coverage gap explanation could be more succinct. It remains effectively scannable.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (4 parameters, no output schema), the description is exceptionally complete: it explains all parameter behaviors, output format, sorting, null handling, and agent usage constraints. It fully compensates for the lack of an output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 100% schema coverage, the description still adds value by explaining meta-asset 'stables', resolution rules (ETH→WETH), default chain behavior, and the nuanced filtering of null values for minTvlUsd and riskCeiling. This exceeds the schema's descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool returns a ranked table of supply-side yield opportunities for a given asset across integrated lending/staking protocols. It specifies covered protocols, output fields, sorting, and filters, distinguishing it from sibling tools that handle individual protocols or positions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implicitly differentiates this tool from others by emphasizing it surfaces data rather than recommending actions, but it does not explicitly compare to sibling tools like get_protocol_risk_score or individual protocol yield tools. It provides clear filter guidance and agent behavior constraints.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

estimate_staking_yieldA
Read-onlyIdempotent

Project annual yield on a hypothetical staking amount for Lido or EigenLayer using current APRs. Use this for 'what would I earn if I staked X ETH?' questions before the user commits capital. Returns the protocol, input amount, APR used, and projected annual rewards denominated in the same asset. Purely forward-looking — does NOT read any wallet or on-chain position; pair with get_staking_positions for actual holdings.

ParametersJSON Schema
NameRequiredDescriptionDefault
protocolYesWhich staking protocol to project yield for. "lido" = native ETH liquid staking (stETH APR); "eigenlayer" = restaking (LST deposit APR, protocol-dependent).
amountYesHuman-readable decimal amount of the staked asset (ETH for lido, LST for eigenlayer). Example: 1.5 for 1.5 ETH.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate readOnly, destructive=false, idempotent, open world. The description adds that it uses current APRs, is forward-looking, returns specific fields (protocol, input amount, APR, projected rewards), and emphasizes no on-chain position reading. This adds significant behavioral context beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is four sentences, all essential, with purpose upfront. No fluff or redundancy. It efficiently conveys purpose, usage context, output, and limitations.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The tool is simple (2 params, query). Description mentions return values explicitly despite no output schema, and provides sufficient context with annotations covering safety and idempotency. It also informs about pairing with a sibling tool for actual holdings.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% coverage with detailed descriptions for both parameters (protocol enum and amount with examples). The description does not add new semantic information about parameters beyond what the schema provides, so baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool projects annual yield on a hypothetical staking amount for Lido or EigenLayer using current APRs. It distinguishes itself from sibling tools by explicitly noting it is forward-looking and does not read on-chain positions, and recommends pairing with get_staking_positions for actual holdings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description specifies when to use: 'for 'what would I earn if I staked X ETH?' questions before the user commits capital.' It also clarifies what it does not do (no wallet reading) and suggests a complementary tool (get_staking_positions), giving clear boundaries.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

exit_demo_modeA
Read-onlyIdempotent

Build a step-by-step guide for the user to exit demo mode and switch to operational (real signing) mode. The MCP server CANNOT actually unset VAULTPILOT_DEMO or invoke the setup wizard — both require user action outside the MCP. This tool produces a tailored decision tree the agent walks the user through. Stateless / read-only — calling it does NOT change demo state. AGENT BEHAVIOR — call this tool ONLY after explicitly confirming with the user that they want to leave demo mode (e.g., 'I'm ready to set this up for real', 'I have my Ledger now', 'exit demo'). DO NOT call it as a probe — the response is verbose and presumes intent. Before calling, ASK the user: (1) do you have a Ledger device? (2) have you already run vaultpilot-mcp-setup? (3) which chains do you intend to use? Pass the answers as args so the response is tailored. If hasLedger=false, the response recommends DEFERRING the exit (without a Ledger, operational mode gives no functionality demo doesn't already have). Surface that verbatim. Outside demo mode, the tool returns a no-op response indicating there's nothing to exit.

ParametersJSON Schema
NameRequiredDescriptionDefault
hasLedgerNoWhether the user confirmed they have a Ledger device. Pass `false` to get a deferral message recommending they stay in demo until they have hardware. Omit if unknown — the response includes a 'verify Ledger first' caution.
hasRunSetupNoWhether the user has previously run `vaultpilot-mcp-setup`. When true, the response skips the setup-wizard walkthrough.
chainsNoChains the user intends to use. Drives which RPC / API keys to recommend. Defaults to ['ethereum'] when omitted.
acquireKeysNoWhether the user wants help acquiring API keys. Affects recommendation tone — true expands signup links, false keeps the response short.

TDQS

A4.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true. The description reinforces these (stateless/read-only, does not change demo state) and adds behavioral context: response is verbose, presumes intent, and agent should not call as probe. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured with clear sections and bullet-like flow. However, it is somewhat verbose with some repetition (e.g., 'stateless / read-only' appears twice). Still, every sentence adds value and it's appropriately detailed for a complex tool.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description fully explains return value (tailored decision tree, no-op outside demo mode). Covers all parameters with usage context, preconditions, agent behavior, and edge cases. Nothing missing for effective use.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, but the description adds significant context: hasLedger controls deferral, hasRunSetup skips setup walkthrough, chains drives RPC key recommendations, acquireKeys affects recommendation tone. This goes well beyond the brief schema descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds a step-by-step guide for exiting demo mode. It specifies the output is a tailored decision tree, distinguishes itself from other tools by being stateless/read-only, and the sibling list contains no similar tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to call (only after user confirmation of intent), provides pre-call questions (hasLedger, hasRunSetup, chains, acquireKeys), and when not to call (as a probe). Also covers edge cases: deferral if no Ledger, no-op outside demo mode.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

explain_txA
Read-onlyIdempotent

Narrative analysis of a single confirmed transaction. AGENT BEHAVIOR: when the user pastes a tx hash (or an Etherscan / Arbiscan / Polygonscan / Basescan / Optimistic-Etherscan / Tronscan / Solscan URL containing one) and asks 'why did this fail / what does this do / what happened', call THIS tool — do NOT WebFetch the explorer or a Tenderly/Phalcon dashboard URL. Those pages are JS SPAs that render an empty shell when fetched server-side; this tool decodes the same data structurally and returns a verbatim-relayable narrative. Walks what actually happened: top-level method/instruction call, decoded ERC-20/TRC-20 Transfer + Approval events (or Solana SPL balance deltas), per-token balance changes for the wallet, fee paid, and a heuristics block flagging surprises (failed status, unlimited approval, dust outflow, transfer-to-zero burn, high-gas vs. moved value, unexpected no-state-change). Returns BOTH a structured envelope and a pre-rendered narrative string for verbatim relay (control via format). Distinct from get_transaction_status (just confirmation status) and the prepare→preview→send pipeline (forward-looking). Useful for debugging ("why did this swap return less than the quote?"), learning ("what does this contract call actually do?"), forensics ("what addresses did this tx touch?"), and address-poisoning triage. v1 covers EVM (Ethereum/Arbitrum/Polygon/Base/Optimism), TRON, and Solana — Bitcoin is deferred. v1 reads top-level execution only; internal calls / CPI / DeFi compositions surface via balance & event effects rather than as separate step rows. Pricing is current spot via DefiLlama (not historical at tx time). Optional wallet arg recomputes balance/approval changes from THAT wallet's perspective — defaults to tx sender. Read-only — no signing, no broadcast.

ParametersJSON Schema
NameRequiredDescriptionDefault
hashYesTransaction identifier. EVM: 32-byte hex (with or without `0x`). TRON: 32-byte bare hex. Solana: 64-byte signature as base58 (86–88 chars).
chainYesWhich chain the tx lives on. Required because EVM / TRON / Solana post-mortems use different RPC paths and payload shapes.
walletNoOptional. When supplied, balance + approval changes are computed FROM THIS WALLET'S PERSPECTIVE — outflows are negative, inflows positive. When omitted, defaults to the tx sender (the canonical perspective). Pass an explicit wallet for recipient-side narratives.
formatNo"structured" returns the JSON envelope only. "narrative" returns only the pre-rendered string. "both" (default) returns both — agents typically use the narrative for verbatim relay and the structured for follow-up questions.both

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses comprehensive behavioral traits beyond annotations: it walks top-level method/events, decodes events, shows balance changes, fee, and heuristics. It also notes limitations (v1 coverage, top-level only, current spot pricing) and confirms read-only, no signing/broadcast. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is dense with valuable information and well-structured (purpose, agent behavior, details, distinctions, use cases, limitations). However, it is somewhat verbose, but every sentence contributes meaning.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite having no output schema, the description thoroughly explains what the tool returns (structured envelope and pre-rendered narrative). It covers supported chains, limitations, pricing, and parameter behavior, making it complete for an agent to understand.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

All 4 parameters are fully described in the schema (100% coverage). The description adds context for wallet (defaults to sender, computes perspective) and format (both structured and narrative returns), going beyond schema details.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states that this tool provides 'narrative analysis of a single confirmed transaction', listing specific decoded elements and use cases. It distinguishes itself from siblings like get_transaction_status and the prepare→preview→send pipeline, ensuring no overlap.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly tells when to call this tool (when a user pastes a tx hash and asks why it failed/what it does) and what NOT to do (do not WebFetch explorer pages because they are JS SPAs). It also distinguishes from related tools, providing clear alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

finalize_btc_psbtA
DestructiveIdempotent

Finalize a fully-signed multi-sig PSBT (typically the output of combine_btc_psbts once the threshold is met) and extract the broadcast-ready tx hex. Refuses with a per-input breakdown when any input is below its threshold (e.g. "input 0: 1/2 signatures"). Pass broadcast: true to send via the configured indexer in the same call — returns broadcastedTxid on success. Pass broadcast: false (default) when the caller wants to inspect the hex first or broadcast through a different relay. No device touch.

ParametersJSON Schema
NameRequiredDescriptionDefault
psbtBase64YesBase64-encoded PSBT v0 with all required signatures spliced in (typically via `combine_btc_psbts`). Refused with a per-input breakdown when any input is below its threshold (e.g. 1/2 sigs).
broadcastNoWhen true, broadcasts the finalized tx via the configured indexer and returns `broadcastedTxid` alongside `txid`. When false (default), only returns the tx hex — the caller decides when/where to broadcast.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds details beyond annotations: it explains that the tool can broadcast (destructive behavior), returns broadcastedTxid on success, and refuses with per-input breakdown when threshold not met. It also aligns with annotations (destructiveHint=true, idempotentHint=true).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise (4 sentences), front-loaded with the main action, and each sentence provides essential information without redundancy. It efficiently covers purpose, usage, behavior, and options.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite lacking an output schema, the description fully explains return values (tx hex, optional broadcastedTxid) and error conditions (refusal per input). For a complex tool, it covers all needed aspects for agent decision-making.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and the description adds meaningful context: psbtBase64 must be fully signed, broadcast parameter effect is explained. While the schema already describes parameters, the description clarifies the prerequisites and outcomes.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Finalize' and the resource 'fully-signed multi-sig PSBT', and explicitly distinguishes from sibling tools like 'combine_btc_psbts' by referencing it as the typical preceding step.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It provides explicit guidance on when to use (after combine_btc_psbts when threshold is met) and when broadcast=true vs false, and describes the refusal behavior for incomplete signatures. It also notes 'No device touch', contrasting with signing tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_account_balanceA
Read-onlyIdempotent

READ-ONLY — sum the on-chain balance across every cached USED address (txCount > 0 at last scan) for one Ledger Bitcoin account index. Walks the pairing cache populated by pair_ledger_btc's BIP44 gap-limit scan, fans out to the indexer for live balances, and returns both the rolled-up totals (confirmed + mempool + total sats / BTC) and a per-address breakdown including type, BIP-32 chain (0=receive, 1=change), and addressIndex. Skips empty cached entries (the trailing fresh-receive addresses) to keep fan-out tight. If the cache is stale (recent receive on a previously-empty cached address), call rescan_btc_account to refresh — pure indexer fetch, no Ledger needed. Only re-run pair_ledger_btc when funds may have landed PAST the originally-walked gap window (the rescan flags that case via needsExtend: true).

ParametersJSON Schema
NameRequiredDescriptionDefault
accountIndexYesLedger Bitcoin account slot to aggregate. Must have been paired via `pair_ledger_btc` first — the tool fans out across every cached USED address (txCount > 0 at scan time) for this accountIndex, sums their on-chain balances, and surfaces the per-address breakdown so the agent can show which legs hold the funds. Empty cached addresses are skipped to keep the response tight; if you suspect the cache is stale, call `rescan_btc_account` (indexer-only, no Ledger needed).

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description labels the tool as READ-ONLY, explains the process of walking the pairing cache, fanning out to the indexer, and skipping empty addresses. This adds context beyond the annotations (readOnlyHint, idempotentHint) without contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is fairly concise for the level of detail, starting with a clear header. While some sentences could be shorter, each adds value. It is well-structured and front-loaded with the core action.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite the lack of an output schema, the description fully explains the return format (rolled-up totals and per-address breakdown with type, chain, index). It also covers prerequisites, alternatives, and edge cases, making it complete for this complex tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The single parameter `accountIndex` has 100% schema description coverage. The schema description already explains its role and relation to pairing. The tool description reiterates similar context but does not add significant new meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it sums the on-chain balance across cached USED addresses for a specific Ledger Bitcoin account index. It distinguishes itself from other balance tools by specifying the use of pairing cache and per-address breakdown, making the purpose unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit conditions for when to use this tool, when to call `rescan_btc_account` for stale cache, and when to re-run `pair_ledger_btc` for gap-limit extension. This guides the agent effectively on alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_balanceA
Read-onlyIdempotent

READ-ONLY — fetch the confirmed + mempool balance for a single Bitcoin mainnet address. Returns sats (raw) and BTC (formatted), separated into confirmed and mempool components, plus the address type (legacy / P2SH / native segwit / taproot) and a tx count. Backed by mempool.space's public API by default; configurable via BITCOIN_INDEXER_URL env var or userConfig.bitcoinIndexerUrl for self-hosted Esplora / Electrs. Phase 1 is mainnet-only (testnet/signet rejected).

ParametersJSON Schema
NameRequiredDescriptionDefault
addressYesBitcoin mainnet address. Accepts legacy (1...), P2SH (3...), native segwit (bc1q...), and taproot (bc1p...). Testnet/signet not supported.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already provide readOnly, destructive, idempotent, openWorld hints. Description adds helpful context: uses mempool.space API, configurable via env var, and that testnet/signet are rejected. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single paragraph with essential information front-loaded. Every sentence adds value without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Complete for a simple read-only tool with full annotations and one parameter. Covers purpose, behavior, configuration, limitations, and expected output components.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers address parameter completely (100% coverage). Description reinforces address types and adds behavioral constraint ('Phase 1 is mainnet-only'), which adds value beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states it fetches confirmed + mempool balance for a single Bitcoin mainnet address, lists returned data components, and differentiates from other get_btc_* tools by specifying single address. Includes address type restrictions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says READ-ONLY, mentions mainnet-only limitation, and describes backend. Does not explicitly contrast with sibling tools like get_btc_account_balance, but the single-address scope is implicit.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_balancesA
Read-onlyIdempotent

READ-ONLY — multi-address Bitcoin balance fetch (1-20 addresses). Per-address indexer errors are surfaced as errored entries instead of failing the whole call (mirrors how EVM portfolio enumeration handles flaky RPCs). Each successful entry has the same shape as get_btc_balance's output.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressesYes1-20 Bitcoin addresses to fetch in parallel. Per-address errors are surfaced as `errored` entries rather than failing the whole call.

TDQS

A4.1/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true. The description adds meaningful behavioral context: multi-address nature, per-address error handling resulting in 'errored' entries, and output shape mirroring get_btc_balance. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three sentences, each serving a distinct purpose: stating the operation and limits, explaining error behavior, and referencing sibling output for output shape. No redundant or extraneous information. The purpose is front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema exists, but the description compensates by referencing get_btc_balance's output shape. The single parameter is fully described in the schema. Given the tool's simplicity and the coverage from schema and annotations, the description is complete and self-sufficient.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema coverage is 100% with descriptive text for the parameter and its items. The description reinforces the per-address error handling already in the schema, and adds context about output similarity to get_btc_balance, but does not significantly enhance meaning beyond schema. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool is a READ-ONLY multi-address Bitcoin balance fetch for 1-20 addresses, with a specific verb (fetch), resource (Bitcoin balances), and scope. It distinguishes itself from siblings like get_btc_balance by specifying multi-address capability and per-address error handling.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description lacks explicit guidance on when to use this tool versus alternatives such as get_btc_balance or get_btc_account_balance. It mentions error handling but does not provide conditions like 'use when needing multiple addresses' or 'for single address use get_btc_balance'. The purpose is clear but the usage context is implied rather than stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_blocks_recentA
Read-onlyIdempotent

READ-ONLY — recent Bitcoin block headers, newest-first (default 144 ≈ one day; capped at 200). Each entry: height, 64-hex hash, header timestamp, tx count, size, weight (when exposed), and — on indexers that surface it (mempool.space) — the mining pool name. Backbone for chain-health questions: 'is the chain producing blocks at the expected rate?', 'any empty blocks recently?', 'who's mining most of the recent window?'. Used internally by get_market_incident_status({ protocol: 'bitcoin' }) to compute hash_cliff, empty_block_streak, and miner_concentration. Issue #233 v1.

ParametersJSON Schema
NameRequiredDescriptionDefault
limitNoHow many recent blocks to fetch, newest-first. Default 144 (~one day on BTC). Capped at 200 to bound HTTP fan-out on free-tier indexers.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, etc. The description adds 'READ-ONLY', mentions the cap at 200, and discloses behavior about indexer-specific fields (mempool.space). No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is dense but not verbose, front-loading the main purpose. Each sentence adds value, and it's well structured without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple read-only tool with one parameter and no output schema, the description covers input behavior, output fields, and use cases comprehensively.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers 100% of parameters. Description adds meaning by explaining the default (144), cap (200), and rationale for the cap ('bound HTTP fan-out on free-tier indexers').

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it fetches recent Bitcoin block headers (newest-first) and enumerates the fields included. It distinguishes from siblings like get_btc_block_stats and get_btc_block_tip by specifying its purpose for chain-health questions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly provides example questions ('is the chain producing blocks at the expected rate?') and notes internal use by get_market_incident_status. Does not explicitly state when not to use it, but the context is clear enough.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_block_statsA
Read-onlyIdempotent

READ-ONLY — bitcoind getblockstats(hashOrHeight) output: fee distribution (min / max / avg / 10/25/50/75/90 percentile feerates in sat/vB), tx count, block size, total fees. RPC-only — Esplora exposes block size + tx count but NOT fee percentiles. Used to spot fee-market anomalies and to baseline mempool_anomaly. Requires BITCOIN_RPC_URL configured. Issue #248 / #233 v2.

ParametersJSON Schema
NameRequiredDescriptionDefault
hashOrHeightYesEither a 64-hex block hash OR a block height. The RPC method `getblockstats` accepts both forms — pick whichever the agent already has on hand.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already provide readOnlyHint=true and idempotentHint=true. The description adds that it is read-only and requires RPC configuration, and it lists specific data fields beyond what annotations convey. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise: it front-loads 'READ-ONLY', lists outputs, states RPC requirement, provides use case, and references issues. Every sentence adds value without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple read-only tool with one parameter and no output schema, the description covers purpose, data fields, usage context, and prerequisites. Minor omissions like error handling or valid block assumptions are acceptable given the clarity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% coverage with a detailed description of the hashOrHeight parameter. The tool description does not add additional parameter information beyond the schema, so baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description specifies that this tool provides bitcoind getblockstats output including fee distribution percentiles, tx count, block size, and total fees. It distinguishes itself from Esplora by noting that Esplora lacks fee percentiles, and it clearly targets fee-market anomaly detection and baselines for mempool_anomaly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description states it is RPC-only and requires BITCOIN_RPC_URL configured, and that it is used for fee percentiles not available via Esplora. It provides context for when to use this tool (spotting fee anomalies) but does not explicitly name an alternative tool for simpler queries like block size/tx count.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_block_tipA
Read-onlyIdempotent

READ-ONLY — current Bitcoin mainnet chain tip. Returns block height, 64-hex block hash, header timestamp (unix seconds), server-computed ageSeconds (now − timestamp), and — when the indexer exposes them — BIP-113 median time past + difficulty. Backed by the configured indexer (mempool.space default; BITCOIN_INDEXER_URL env var or bitcoinIndexerUrl user-config override for self-hosted Esplora). Useful for: latest-hash lookups, block-age UX context (Bitcoin block intervals are Poisson — a 40-min gap is normal but worth surfacing), indexer-freshness sanity checks before quoting balances, confirmation-depth math against get_btc_tx_history entries.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond readOnlyHint annotation, describes indexer dependency (mempool.space default, configurable via env var or user-config), conditional availability of BIP-113 and difficulty fields, and normal block gap behavior. Adds significant operational context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Every sentence adds value. Front-loaded with core purpose and read-only flag. Followed by return fields, configuration detail, then use cases. No fluff, well-organized.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers all relevant aspects: what the tool does, what it returns, how it's configured, and appropriate use cases. With no output schema, the description fully explains return values. No gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters exist, so schema coverage is 100%. Description adds meaning by listing return fields and their types (e.g., 64-hex hash, unix seconds) which compensates for lack of output schema. Baseline 4 for 0 parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Explicitly states it is READ-ONLY and returns the current Bitcoin mainnet chain tip. Lists specific return fields (height, hash, timestamp, ageSeconds, BIP-113 median time past, difficulty). Clear verb+resource, distinct from sibling tools by focusing on the single latest block.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit use cases: latest-hash lookups, block-age UX context, indexer-freshness checks, confirmation-depth math. Also explains Poisson block intervals. Does not explicitly exclude alternatives, but the guidance is clear and practical.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_chain_tipsA
Read-onlyIdempotent

READ-ONLY — bitcoind getchaintips output: every fork the node knows about, with branchlen and status (active / valid-fork / valid-headers / headers-only / invalid). THE primitive for fork / deep-reorg detection — Esplora indexers cannot expose this; they only know the chain they followed. Requires BITCOIN_RPC_URL configured (self-hosted bitcoind or a public RPC provider). Returns available: false with a setup hint when RPC is not configured. Issue #248 / #233 v2.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds value beyond annotations by revealing that the tool returns available: false with a setup hint when RPC is not configured. It also confirms the read-only nature and idempotency. No contradictions with annotations; in fact, the description enriches the behavioral understanding.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise yet comprehensive. It front-loads the read-only nature and includes key output details, use case, RPC requirement, and fallback behavior. Every sentence adds value, and the references to issues #248/#233 v2 are minor but acceptable.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite having no output schema, the description fully explains what the tool returns (branchlen, status with possible values) and covers the edge case of missing RPC configuration. It also explains why this data is unique (cannot be obtained from Esplora). For a zero-parameter tool, this is exceptionally complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has no parameters, and the input schema is empty with 100% coverage. The description does not need to add parameter information. According to guidelines, baseline for 0 params is 4, so this score is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly identifies the tool as returning bitcoind's getchaintips output, listing forks with branchlen and status. It explicitly states its purpose for fork/deep-reorg detection and distinguishes itself from Esplora indexers, which cannot expose this data. The verb 'get' and resource 'BTC chain tips' are clear, and it differentiates from sibling tools like get_ltc_chain_tips.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly states that this is the primitive for fork/deep-reorg detection and notes that Esplora cannot provide this data. It also specifies the requirement for BITCOIN_RPC_URL and mentions the fallback behavior when RPC is not configured. While it could mention alternatives like get_btc_block_tip, the context is sufficient for an agent to decide when to use this tool.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_fee_estimatesA
Read-onlyIdempotent

READ-ONLY — current Bitcoin fee-rate recommendations in sat/vB. Returns five labels: fastestFee (~next block), halfHourFee (~3 blocks), hourFee (~6 blocks), economyFee (~144 blocks / 1 day), and minimumFee (mempool floor). Sourced from mempool.space's /v1/fees/recommended endpoint when available; falls back to per-target estimates from the standard Esplora /fee-estimates for self-hosted indexers.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (readOnlyHint, etc.), the description reveals the data source (mempool.space with fallback to Esplora) and the exact labels returned. This provides significant behavioral context that helps the agent understand reliability and fallback behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three sentences, each adding value: purpose and unit, specific labels, and data source. Front-loaded with 'READ-ONLY' and clear verb. No unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given zero parameters and no output schema, the description fully covers what the tool returns (five labels with meaning) and where the data comes from. An agent can confidently use the tool and interpret results.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With zero parameters (schema coverage 100%), the description compensates by thoroughly explaining the output labels and their meanings, which is essential for interpreting results. Baseline for no parameters is 4, and the extra detail on return values and data source elevates it to 5.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it provides Bitcoin fee-rate recommendations in sat/vB, lists the five specific labels with their meanings (fastestFee, halfHourFee, etc.), and distinguishes itself from other BTC tools by focusing solely on fee estimates. No sibling tool duplicates this purpose.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

While the description does not explicitly state when not to use the tool or name alternatives, it clearly implies its use for obtaining Bitcoin fee recommendations. Given the uniqueness of this tool among siblings, explicit exclusions are not critical.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_mempool_summaryA
Read-onlyIdempotent

READ-ONLY — bitcoind getmempoolinfo output: tx count in mempool, total bytes, memory usage, current minimum admission feerate, total fees of mempool txs. RPC-only — Esplora's mempool view is whatever that one node sees; ours gives us the real local view + the daemon's admission policy. Used by get_market_incident_status to flip the mempool_anomaly signal from available: false to live computation. Requires BITCOIN_RPC_URL configured. Issue #248 / #236 v2.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description reinforces read-only nature from annotations ('READ-ONLY'). Adds details about data source (bitcoind), specific fields, and integration with get_market_incident_status. Requires configuration, which is not in annotations. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single paragraph, densely packed with useful information. Every sentence contributes distinct value (purpose, alternative comparison, usage context, config requirement, issue references). Could be slightly more structured but remains highly informative.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no parameters, no output schema, and annotations present, the description covers all necessary aspects: what it returns, how it differs from alternatives, required configuration, and its role in the broader system (used by get_market_incident_status). Completeness is high.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters exist; schema coverage is 100%. Description implicitly confirms parameterless call by listing output fields, adding no confusion. Baseline 4 for well-covered schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description explicitly states it returns bitcoind getmempoolinfo output with specific fields (tx count, bytes, memory, feerate, fees). Distinguished from Esplora's mempool view by emphasizing it provides the 'real local view' and daemon admission policy. Also notes usage by get_market_incident_status for mempool anomaly detection.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Clearly indicates when to use: for the real local mempool summary from bitcoind RPC. Contrasts with Esplora's view, implying this is the authoritative source. Explicitly requires BITCOIN_RPC_URL configuration, setting a prerequisite.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_multisig_balanceA
Read-onlyIdempotent

Watch-only balance read for a registered multi-sig wallet. Walks both BIP-32 chains (chain=0 receive, chain=1 change) up to a gap-limit window (default 20, BIP-44 standard), queries each derived address via the configured Esplora indexer, returns the aggregate balance plus per-address breakdown for entries with on-chain history. No device touch — addresses are derived locally from the stored cosigner xpubs. Phase 3 supports P2WSH (wsh) wallets only; taproot lands in a follow-up PR.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNameYesName of a registered multi-sig wallet (matches the `name` passed to `register_btc_multisig_wallet`).
gapLimitNoBIP-44 gap limit — stop walking each chain after N consecutive empty addresses. Default 20 (matches Sparrow / Specter / BIP-44 recommendation). Cap of 100 to bound indexer fan-out.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, destructiveHint, idempotentHint, openWorldHint. The description adds valuable context: derivation from cosigner xpubs, BIP-32 chain walking, gap-limit behavior, and the limitation to P2WSH (Phase 3). No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences that front-load the core purpose and then efficiently detail the derivation method, chain walking, and limitation. Every sentence adds value without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (BIP-32, gap limit, P2WSH limitation, no output schema), the description covers essential behavioral aspects: it communicates what is returned (aggregate + per-address breakdown) and how addresses are derived. Still, the lack of explicit return format or error cases is acceptable for a read-only tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%; description adds meaninful detail beyond schema: walletName is linked to `register_btc_multisig_wallet`, gapLimit explains default 20 with BIP-44 context and cap rationale. The per-address breakdown detail is implied but not specified in schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description opens with 'Watch-only balance read for a registered multi-sig wallet', clearly stating the verb, resource, and scope. It distinguishes itself from sibling tools like `get_btc_balance` (single-sig) and `get_btc_multisig_utxos` (UTXOs) by focusing on aggregate balance with per-address breakdown from derived chains.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for quick balance checks ('No device touch') and notes a P2WSH-only limitation, but does not explicitly state when to use this tool over alternatives like `get_btc_multisig_utxos` or `get_btc_balance`. No mention of prerequisites beyond registration or contrast with sibling tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_multisig_utxosA
Read-onlyIdempotent

Return the UTXO set for a registered multi-sig wallet. Same gap-limit walk as get_btc_multisig_balance; each UTXO carries the witnessScript + cosigner pubkeys needed to build a multi-sig PSBT input. Used internally by prepare_btc_multisig_send (initiator flow); also exposed directly for users who want to inspect the spendable set without preparing a tx. No device touch.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNameYesName of a registered multi-sig wallet. The returned UTXO set is the input pool PR3's `prepare_btc_multisig_send` will draw from.
gapLimitNo

TDQS

A4.1/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already provide readOnlyHint, destructiveHint, idempotentHint, and openWorldHint. The description goes beyond by stating 'no device touch' and describing the content of each UTXO (witnessScript + cosigner pubkeys), which adds behavioral context about the output. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is three sentences and front-loaded with the primary purpose. It is minimal but includes necessary context. No wasted words, though it could be slightly more compact by merging the last two sentences. Still well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description provides information about the return content (witnessScript + cosigner pubkeys). It covers the tool's role (inspection vs. tx preparation) and safety ('no device touch'). For a straightforward read-only tool with two parameters, this is adequate but could include more about gapLimit defaults or behavior.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 50%. The description adds value for walletName by linking it to the input pool for prepare_btc_multisig_send. For gapLimit, it only references 'same gap-limit walk as get_btc_multisig_balance,' which does not explain the parameter's meaning or constraints. The description partially compensates for schema gaps but not fully.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it returns the UTXO set for a registered multi-sig wallet, using same gap-limit logic as get_btc_multisig_balance. It explicitly differentiates from prepare_btc_multisig_send by noting internal usage and direct exposure for inspection. Additionally, 'no device touch' clarifies it's a read-only operation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description indicates when to use this tool: to 'inspect the spendable set without preparing a tx.' It also notes the tool is used internally by prepare_btc_multisig_send, providing context for alternatives. However, it does not explicitly list when not to use it or edge cases, but the guidance is clear enough.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_btc_tx_historyA
Read-onlyIdempotent

READ-ONLY — recent Bitcoin transaction history for a single address (newest-first). Each entry surfaces txid, received/sent sats from this address's perspective, the network fee, block height + time (when confirmed), and an RBF-eligible flag (sequence < 0xFFFFFFFE on at least one input). Default 25 txs, capped at 50 (one Esplora page); pagination beyond is a follow-up.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressYesBitcoin mainnet address. Accepts legacy (1...), P2SH (3...), native segwit (bc1q...), and taproot (bc1p...). Testnet/signet not supported.
limitNoMax number of txs to return (newest-first). Default 25; capped at 50 (one Esplora page). Pagination beyond this is a follow-up.

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already provide safety hints (readOnlyHint=true, destructiveHint=false, idempotentHint=true). The description adds value by detailing output fields (txid, sats, fee, block info, RBF flag) and the Esplora page limit, which are not in annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences that are front-loaded with the most critical information (read-only, what it returns, ordering). Every sentence adds value; no redundant or extraneous text.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, the description adequately covers all return fields and behavioral aspects (RBF flag, pagination cap). It is self-contained and sufficient for an agent to understand what the tool does and what it returns.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with both parameters already described. The description adds useful context (e.g., 'one Esplora page' for limit, 'newest-first' ordering) that goes beyond the schema descriptions, enhancing understanding.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states specific verb+resource: 'Bitcoin transaction history for a single address (newest-first)' and details the data fields. Distinguishes from siblings like get_btc_account_balance (balance only) and get_transaction_history (likely multi-address).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly marks as READ-ONLY, explains the limit and cap behavior, and notes pagination limitation ('pagination beyond is a follow-up'). While not detailing alternatives, the description provides clear context for proper use.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_coin_priceA
Read-onlyIdempotent

Fetch the USD price of any well-known cryptocurrency by ticker symbol or CoinGecko ID — no contract address required. Sister tool to get_token_price; use this for non-EVM natives (BTC, LTC, SOL, TRX, XMR, DOGE, etc.) and any asset that doesn't have an EVM ERC-20 representation. Two input modes: (a) symbol — case-insensitive ticker from a curated allowlist (~120 entries covering top market-cap coins, all native chain currencies VaultPilot supports, major LSTs, top stablecoins, top DeFi governance tokens, and high-question-volume memecoins). The allowlist hardcodes the canonical CoinGecko ID per ticker so scam-token collisions can't poison the result. (b) coingeckoId — escape hatch for long-tail assets. Pass the URL slug from coingecko.com/en/coins/. Returns: { symbol, priceUsd, source: "defillama-coingecko", resolvedKey, asOf, confidence }. The confidence field is DefiLlama's 0–1 thin-liquidity score; surface it to the user when it's below 0.9. When the agent sees a portfolio response with priceMissing: true for a non-EVM asset, this is the tool to call. SCOPE: returns the current spot USD price — a snapshot, not a forecast. It is NOT a buy/sell signal, price prediction, target, or token-pick endorsement. AGENT BEHAVIOR: this tool surfaces data; it does NOT pick. Current price says nothing about future direction. Do NOT use the price to ground "what coin will 100x", "should I buy X", "best memecoin", or any other speculative-pick answer; refuse those prompts even when this tool was called. Issue #599.

ParametersJSON Schema
NameRequiredDescriptionDefault
symbolNoTicker symbol from the curated allowlist (~115 entries; case-insensitive). Examples: "BTC", "LTC", "SOL", "DOGE", "USDC", "stETH". The allowlist hardcodes the canonical CoinGecko ID for each symbol so scam tickers can't poison the result. For assets not on the allowlist, use the `coingeckoId` field instead.
coingeckoIdNoCoinGecko ID (the URL slug from coingecko.com/en/coins/<id>). Examples: "litecoin", "bitcoin", "monero". Bypasses the allowlist for long-tail assets. Pass exactly one of `symbol` or `coingeckoId`.

TDQS

A4.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnly, non-destructive, idempotent, openWorld. Description adds useful context about confidence field and non-predictive nature, but doesn't add new behavioral traits beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured and front-loaded with purpose. Slightly verbose but all content is justified and adds value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Very complete given complexity: explains two modes, allowlist details, return fields (though no output schema), and agent behavior. No gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 100% coverage. Description adds meaning: explains two input modes, allowlist, and escape hatch, providing context beyond schema descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states it fetches USD price by ticker or CoinGecko ID. Distinguishes from sibling tool `get_token_price` for non-EVM assets.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly when to use (for non-EVM assets) and when not to (for EVM tokens, use `get_token_price`). Also provides scope (snapshot, not forecast) and agent behavior guidelines.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_compound_market_infoA
Read-onlyIdempotent

Fetch structured market info for a single Compound V3 (Comet) market — no wallet required. Returns base-token metadata, totalSupply/totalBorrow, utilization, supply+borrow APR, current pause flags, and the full collateral-asset list with each asset's symbol, decimals, priceFeed, borrow/liquidate/liquidation collateral factors, supply cap, and total amount currently supplied across all users. Use this to explain market state, answer 'what are the listed collaterals for cUSDCv3', or diagnose an incident (pause + utilization + contagion across collaterals) in one call.

ParametersJSON Schema
NameRequiredDescriptionDefault
chainNoEVM chain the Comet market lives on. Defaults to ethereum.ethereum
marketYesComet market address (e.g. cUSDCv3 at 0xc3d688B66703497DAA19211EEdff47f25384cdc3 on Ethereum).

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations confirm readOnly, non-destructive, idempotent. Description adds 'no wallet required' and details on returned fields (pause flags, collateral lists), providing full behavioral context without contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is front-loaded with purpose and use cases. Each sentence adds value, though slightly verbose in listing return fields. Could be tightened without loss of clarity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Without an output schema, the description exhaustively enumerates return fields (metadata, APRs, collateral details), making the tool's output fully predictable. Covers all needed context for usage.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema already has 100% description coverage for both parameters. Description lists return fields but adds no additional parameter-level detail beyond the schema, meeting baseline expectation.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states 'Fetch structured market info for a single Compound V3 (Comet) market — no wallet required' and lists specific data returned, distinguishing from sibling tools like get_compound_positions which focus on user positions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit use cases: 'explain market state', answer specific questions, and 'diagnose an incident'. Lacks explicit comparison to alternatives, but the use cases are clear and actionable.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_compound_positionsA
Read-onlyIdempotent

Fetch Compound V3 (Comet) positions for a wallet across all known markets on the selected chains (cUSDCv3, cUSDTv3, cWETHv3, etc.). For each market the wallet touches, returns the base-token supply or borrow balance, per-asset collateral deposits, and USD valuations. Use this to answer 'my Compound positions' or before preparing a prepare_compound_* action so you have the right market address. Returns an empty list if the wallet has no Compound V3 exposure on the requested chains.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainsNoSubset of chains to scan for Compound V3 markets. Omit to scan all supported chains.

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already mark it as readOnly, idempotent, non-destructive. Description adds specific return fields (supply/borrow balance, collateral, valuations) and edge case behavior (empty list if no exposure), confirming safe read operation.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences efficiently pack purpose, return details, usage context, and edge case. Front-loaded with action verb. No redundant information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers all necessary aspects for a read-only tool: what it does, what it returns, when to use, and empty result handling. Lacks explicit return structure details, but given no output schema, the listed fields are adequate.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with descriptions for both parameters. Tool description mentions 'selected chains' but schema already covers default behavior. Minimal additional value beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description specifies the exact verb 'Fetch', resource 'Compound V3 positions for a wallet', and scope 'across all known markets on selected chains'. It lists returned data fields (supply/borrow, collateral, USD valuations) and distinguishes itself from siblings by recommending use before prepare_compound_* actions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use: to answer 'my Compound positions' or before preparing a Compound action to get the market address. Provides interpretation of empty result. Does not explicitly exclude other uses, but context is clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_contract_abiA
Read-onlyIdempotent

READ-ONLY — fetch a verified contract's ABI on any Etherscan-V2-supported EVM chain (Ethereum, Arbitrum, Polygon, Base, Optimism). Wraps the same getsourcecode path prepare_custom_call and check_contract_security use, so the call carries the user's ETHERSCAN_API_KEY, the MAX_RESPONSE_BYTES cap, the sanitizeContractName discipline, and the 24h cache. Returns { chain, address, isVerified, isProxy, implementation?, contractName?, compilerVersion?, abi?, abiSource }. When the target is a proxy and followProxy=true (default), follows once to the implementation's ABI and reports abiSource: "proxy-implementation"; when followProxy=false or the implementation isn't verified, returns the proxy's own ABI with abiSource: "proxy-target" plus a proxyFollowSkippedReason explaining why. Unverified contracts return { isVerified: false } and no ABI — ask the user to paste the ABI inline if they have it from the project's published artifacts. ALWAYS prefer this tool over a generic WebFetch against etherscan.io/api.etherscan.io for ABI lookups in this MCP's surface — that path doesn't carry the API key (the env var lives in the MCP process, not the agent's harness), loses the size cap + verified-vs-unverified discipline, loses the 24h cache, and pulls the response through the agent's web layer with no sanitization for attacker-controlled fields like ContractName. Issue #495.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressYesEVM contract address to fetch the ABI for. Etherscan V2 covers Ethereum + Arbitrum + Polygon + Base + Optimism (the same five chains the rest of this MCP supports).
chainYesWhich chain the contract is deployed on. The same address can map to different contracts on different chains; this arg disambiguates.
followProxyNoWhen the target is a proxy with a resolvable implementation, follow once to the implementation's verified ABI (typical caller intent — you want the function selectors the proxy delegates to, not the proxy's own admin surface). Set to false to inspect the proxy's own ABI (e.g. when calling `upgradeTo` on the proxy itself). `abiSource` in the response tells you which path was taken.

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint and idempotentHint. The description adds valuable behavioral details: proxy following logic, cache, size cap, sanitization, and response structure, going beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loaded with core purpose, then detailed behavior. While somewhat long, every sentence adds value and is well-structured for an AI agent.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema, but description fully explains response shape including edge cases (proxy, unverified). Covers error handling and context for all parameters.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with good descriptions. The description adds context for followProxy behavior and explains response fields like abiSource and proxyFollowSkippedReason, providing extra meaning.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it fetches a verified contract's ABI on supported EVM chains, explicitly distinguishes itself from generic WebFetch and sibling tools like check_contract_security and prepare_custom_call.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly instructs to prefer this tool over generic WebFetch for ABI lookups, explains when proxy following is applied, and what to do for unverified contracts (ask user to paste ABI).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_curve_positionsA
Read-onlyIdempotent

READ-ONLY — Curve LP positions on Ethereum stable_ng plain pools. v0.1 scope (per claude-work/plan-curve-v1.md): Ethereum mainnet only, stable_ng factory only, plain pools only (meta pools rejected — different ABI, separate follow-up). Returns per-pool LP token balance + gauge-staked balance + pending claimable CRV. Pools where the wallet has zero of all three are filtered out. Future PRs add: legacy pre-factory pools (3pool, fraxusdc, etc.), stable factory v1, twocrypto/crypto/tricrypto factories, Arbitrum + Polygon. The tool surface stays additive — get_curve_positions will keep its name and shape across the expansion.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x EVM wallet address. v0.1 only reads Ethereum stable_ng plain pools — Arbitrum / Polygon and other factory variants land in follow-up PRs.

TDQS

A4.5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (readOnlyHint, etc.), the description details exact return values, filtering of zero-balance pools, and the additive expansion strategy. This provides agents with a clear understanding of tool behavior without hidden side effects.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is front-loaded with core purpose and constraints, then details return values and future plans. While slightly verbose, every sentence serves a purpose. Could be slightly tightened but overall well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description covers return value specifics and filtering behavior adequately. It addresses current scope and future expansions, though it omits error handling or edge cases. Still, it is sufficiently complete for v0.1.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the schema parameter description is already quite detailed, including scope limitations. The main description does not add significant new meaning about the paramter beyond reinforcing the context.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool retrieves Curve LP positions on Ethereum stable_ng plain pools, specifying return fields (LP token balance, gauge-staked, pending CRV) and filtering behavior. It distinguishes itself from sibling tools like get_lp_positions and get_compound_positions by focusing on a specific protocol and pool type.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly defines when to use (Ethereum stable_ng plain pools) and when not to (meta pools rejected). It also outlines future expansions and references a planning document, providing clear context for appropriate invocation.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_daily_briefingA
Read-onlyIdempotent

One-paragraph 'what's going on with my portfolio right now' briefing — composed from existing tools, not new on-chain reads. Section coverage: (1) current portfolio total + window USD/% delta, (2) top 3 movers by absolute USD change across all chains, (3) Aave health-factor alerts (any HF < 1.5 surfaced with capitalized prefix and margin-to-liquidation %), (4) recent activity counts split into received / sent / swapped / supplied / borrowed / repaid / withdrew / other (action-type classification via 4byte-resolved methodName when present, directional fallback otherwise). Period: 24h (default — the morning-coffee briefing) / 7d / 30d. Address args mirror get_portfolio_diff (wallet / tronAddress / solanaAddress / bitcoinAddress — at least one required). Returns BOTH a structured envelope AND a pre-rendered markdown narrative (control via format). Sub-tool failures degrade to per-section notes rather than aborting (e.g. a Solana RPC outage doesn't void the EVM briefing). Two sections punted at v1 with explicit available: false reasons rather than silent omission: bestStablecoinYield (depends on the unshipped compare_yields tool) and liquidationCalendar (depends on the unshipped schedule_tx tool). Distinct from get_portfolio_summary (current state only) and get_portfolio_diff (window decomposition only) — this tool is the conversational AI rollup that sits on top of both.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNoEVM wallet (Ethereum / Arbitrum / Polygon / Base / Optimism). Drives the EVM portion of every section: portfolio total, asset movers, Aave health-factor alert, recent activity counts.
tronAddressNoTRON mainnet base58 address. Folds TRX + TRC-20 totals + history into the briefing.
solanaAddressNoSolana mainnet base58 pubkey. Folds SOL + SPL totals + history into the briefing.
bitcoinAddressNoBitcoin address (any type). Folds BTC balance into the briefing. Bitcoin tx-history-derived activity counts are best-effort (indexer caps may truncate).
periodNoBriefing window. "24h" is the canonical morning-coffee briefing; "7d" / "30d" extend to weekly / monthly summaries. Pre-rendered narrative voice tightens for shorter windows.24h
formatNo"structured" returns the JSON envelope only. "narrative" returns only the pre-rendered string. "both" (default) returns both — agents typically use the narrative for verbatim relay and the structured for follow-up questions.both

TDQS

A5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds significant behavioral context beyond annotations: it is composed from existing tools (not new on-chain reads), returns both structured and narrative formats, handles sub-tool failures gracefully, and explicitly lists missing features. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is dense but every sentence provides necessary information. It front-loads the core purpose and efficiently covers sections, parameters, and limitations.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema and the tool's complexity, the description fully explains the return format (structured envelope and narrative), sections, failure mode, and punted features. It is comprehensive.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 100% schema coverage, the description adds value by explaining address args mirror get_portfolio_diff, period defaults, and format options for agents. It enriches the meaning beyond the schema alone.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool generates a one-paragraph portfolio briefing composed from existing tools. It distinguishes itself from sibling tools get_portfolio_summary and get_portfolio_diff by specifying it is a conversational rollup.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly defines when to use this tool: for a quick 'what's going on' briefing, defaulting to 24h. It also notes what is not covered (two punted sections with available: false) and differentiates from siblings.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_demo_walletA
Read-onlyIdempotent

Report the active demo wallet (live mode), confirm default demo mode (no wallet set), or report why demo mode isn't active when the env var is missing or misconfigured. ALWAYS enumerates the available personas + their addresses + descriptions regardless of VAULTPILOT_DEMO state, so the agent can offer the user a choice without hardcoding the list (issue #392). RESPONSE: { demoActive, mode, envState: 'enabled' | 'unset' | 'invalid', personas, matrix, [active], [message] }. When envState is 'unset' or 'invalid' the message field tells the user how to fix it (set VAULTPILOT_DEMO=true exact literal, lowercase). When envState is 'enabled', active carries the current live wallet (or null in default demo mode). MATRIX (issue #409 enrichment): each cell in matrix[chain][type] carries a rehearsableFlows: string[] field listing multi-step / state-dependent demo flows the cell's existing on-chain state already supports end-to-end (e.g. aave_supply, marinade_stake, swap_eth_usdc), and an optional flowGaps field listing flows the persona archetype implies but the wallet's current state does NOT support, with a one-line recommendation (switch persona / exit demo / pair Ledger). Read these BEFORE the user picks a flow so you offer rehearsable flows up-front and steer them off flows that would loop on missing on-chain state (the simulated send returned in demo mode never mutates state, so any flow whose precondition is itself a state change can't be rehearsed end-to-end against a wallet that doesn't already have it).

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate read-only, idempotent, non-destructive, and open-world. The description adds significant detail: it always enumerates personas regardless of state, specifies response format, and explains the matrix enrichment (rehearsableFlows, flowGaps, recommendations). No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is verbose and contains multiple paragraphs with interleaved details. While all information is valuable, it could be better structured (e.g., bullet points for response shape or matrix explanation) to improve readability for an agent. It's functional but not lean.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description fully defines the response structure including all fields and their meanings. It covers edge cases (envState values, matrix enrichment) and provides complete guidance for the agent to act on the result. The complexity is high, and the description meets it.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has zero parameters. With no parameters, baseline is 4. The description does not need to explain parameters, and it correctly mentions that no input is required.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states the tool's purpose: report active demo wallet, confirm default demo mode, or explain why demo mode isn't active. It also enumerates personas and provides response structure, clearly distinguishing it from siblings like set_demo_wallet and exit_demo_mode.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description advises reading matrix data before user picks a flow to offer rehearsable flows and avoid unsupported ones. While it provides usage context, it doesn't explicitly state when not to use or mention alternative tools, but the guidance is clear enough for an agent.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_health_alertsA
Read-onlyIdempotent

READ-ONLY — across-protocol liquidation-risk check. Fans out in parallel to Aave V3 / Compound V3 / Morpho Blue (EVM, via wallet) and MarginFi / Kamino (Solana, via solanaWallet); returns every position whose health factor is below threshold (default 1.5). Each row carries protocol (discriminator), chain, market (market addr / marketId / MarginfiAccount / obligation; null for Aave's per-chain aggregation), healthFactor, collateralUsd, debtUsd, and marginToLiquidation (% HF would need to drop to hit 1.0). At least one of wallet / solanaWallet is required. Per-protocol failures (RPC down, MarginFi SDK IDL drift) are captured in the optional notes[] field rather than failing the whole call — a partial result still surfaces, and the absence of a protocol from the at-risk list is never silently wrong. Issue #427 (was Aave-V3-only despite generic name).

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNo
solanaWalletNo
thresholdNo

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations confirm read-only, non-destructive, idempotent behavior. The description adds critical context: parallel fan-out, per-protocol failure handling via notes field, guarantee that missing protocols are never silently wrong, and return field details (e.g., marginToLiquidation). No annotation contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is detailed but every sentence adds value. It front-loads the core purpose and then structures details logically. The historical note (#427) is slightly meta but informative. Slightly longer than minimal but well-organized.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description lists all returned fields (protocol, chain, market, healthFactor, collateralUsd, debtUsd, marginToLiquidation). It covers parameter constraints, error behavior, and cross-protocol scope, making it fully self-contained for a read-only health check tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 0% description coverage, but the description fully compensates by explaining wallet (EVM), solanaWallet (Solana), threshold (default 1.5, range implied), and the required at-least-one condition. This adds meaning beyond the raw schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it is a cross-protocol liquidation-risk check, listing specific EVM and Solana protocols. It explicitly mentions the verb 'check' and the resource 'health alerts', and distinguishes from per-protocol position tools like get_compound_positions or get_kamino_positions by aggregating across protocols.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly requires at least one of wallet or solanaWallet, and explains partial results on failures. However, it does not explicitly state when to use this tool over individual protocol position checkers, though the cross-protocol scope is implied.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_kamino_positionsA
Read-onlyIdempotent

READ-ONLY — enumerate a Solana wallet's Kamino lending position on the main market. Returns the obligation PDA, per-reserve deposits + borrows (with USD values), totalSuppliedUsd / totalBorrowedUsd / netValueUsd, and a health factor (borrowLiquidationLimit / userTotalBorrowBorrowFactorAdjusted; >1 safe, <1 liquidatable, Infinity when no debt — same convention as Aave / MarginFi). Returns an empty list when the wallet has no Kamino userMetadata (= never used Kamino). Reserve-level pause / freeze flags surface in warnings.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana base58 wallet to enumerate Kamino positions for. Returns the wallet's obligation on Kamino's main market, with per-reserve deposits + borrows + USD valuations + health factor. Returns an empty list when the wallet has no Kamino userMetadata (= never used Kamino).

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (readOnlyHint, etc.), the description details return structure (obligation PDA, per-reserve deposits/borrows, USD values, health factor with convention explanation), and clarifies edge cases (empty list for new wallets, warnings for pause/freeze). No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is a single paragraph but front-loaded with 'READ-ONLY' and efficiently covers all key points without redundancy. Slightly dense but earns each sentence.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description thoroughly explains what the tool returns, including health factor conventions, empty list handling, and warnings, making it fully contextual for an AI agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with detailed parameter description, so baseline is 3. The tool description adds some extra context (health factor and warnings) but does not significantly enhance parameter semantics beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states it enumerates a Solana wallet's Kamino lending position on the main market, specifying both the resource (Kamino) and context (main market), which clearly distinguishes it from other position tools like get_marginfi_positions or get_compound_positions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description indicates when it returns empty (wallet never used Kamino), providing implicit guidance on when to use. However, it does not explicitly state when to prefer this over alternatives, though the naming and context naturally differentiate it.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_ledger_device_infoA
Read-onlyIdempotent

READ-ONLY — probe the connected Ledger device over USB HID and report which app is currently open (name + version), plus an actionable hint for the agent to relay. Uses the dashboard-level GET_APP_AND_VERSION APDU so it works whether the user is on the dashboard or inside a chain app — you get 'BOLOS' / 'OS' for the dashboard and e.g. 'Solana' 1.10.2 / 'Ethereum' 1.13.0 / 'Tron' 0.2.0 / 'Bitcoin' 2.3.0 when an app is open. deviceConnected: false is returned cleanly (with a hint) when no Ledger is plugged in or the udev rules are missing on Linux; the tool never throws. Call this BEFORE pair_ledger_solana / pair_ledger_tron so you can replace 'open the Solana app and enable blind-signing' with a context-aware instruction like 'I see your Bitcoin app is open — switch to Solana (device → right button → Solana → both buttons)'. One USB round-trip; no chain RPC calls.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond the annotations (readOnlyHint, idempotentHint), the description adds rich behavioral context: it uses the GET_APP_AND_VERSION APDU, works on dashboard or chain apps, lists example outputs for various apps, and describes the clean error behavior when no device is connected or udev rules are missing. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single paragraph that front-loads the core purpose, then provides detailed examples and usage context. While it is lengthy, all information is valuable and well-organized. Could be slightly more concise but effective.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description fully explains the return values (app name+version, hint, deviceConnected: false). It covers edge cases (no device, missing udev rules) and provides actionable instructions for the agent on how to interpret and use the information. Complete and self-contained.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has no parameters, so the description does not need to add parameter information. The baseline is 4, and the description correctly omits param details.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool probes the connected Ledger device over USB HID and reports the currently open app (name and version) plus an actionable hint. It explicitly distinguishes from sibling tools like pair_ledger_solana by positioning this as a pre-check to enable context-aware instructions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly tells when to use: call BEFORE pair_ledger_solana/pair_ledger_tron. It provides examples of how the result can be used to inform the user. It also notes that the tool never throws and returns clean error states, so the agent knows it's safe to call.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_ledger_statusA
Read-onlyIdempotent

Report whether a WalletConnect session with Ledger Live is active (EVM chains) AND whether any TRON or Solana Ledger pairings are cached (USB HID — see pair_ledger_tron / pair_ledger_solana). Returns accounts: 0x…[] — the list of EVM wallet addresses the user has connected — and optionally tron: [{ address, path, appVersion, accountIndex }, …] and solana: [{ address, path, appVersion, accountIndex }, …] (one entry per paired non-EVM account, ordered by accountIndex) if the corresponding pair_ledger_* tool has been run at least once. Call this FIRST whenever the user refers to their wallet(s) by position or nickname instead of by address — e.g. "my wallet", "my TRON wallet", "the first address", "account 2", "second wallet", "second TRON account" — so you can resolve the reference to a concrete 0x… / T… before invoking any prepare_* / swap / send / portfolio tool that takes a wallet / tronAddress argument. Do NOT ask the user to paste an address if it's already in accounts or a tron[*].address here. SECURITY: the returned wallet/peerUrl (EVM) are self-reported by the paired WC app — any peer can claim to be 'Ledger Live' at wc.apps.ledger.com, so the wallet name and URL alone do NOT prove identity. The cryptographic discriminator is the WC session topic (also returned here). Before the FIRST send_transaction of a session, ask the user to open Ledger Live → Settings → Connected Apps (mobile: Manager → WalletConnect) and confirm a WalletConnect session exists whose topic ends with the last 8 chars of the topic field (surface those 8 chars in your prompt, e.g. "…a1b2c3d4"). If no matching session is listed there, a different peer is impersonating Ledger Live — do NOT proceed. The physical Ledger device's on-screen confirmation is still the final check on tx contents, but the topic cross-check is what binds the WC session to the user's real Ledger Live install. The tron array is read from the cache populated by pair_ledger_tron; send_transaction re-probes USB on every TRON sign, so the cache cannot be spoofed into approving a tx for the wrong account. If the response has peerUnreachable: true, the WalletConnect relay couldn't confirm Ledger Live is connected — the cached accounts are still fine for address resolution (read-only questions about balances / history / portfolio), but BEFORE any signing flow you MUST ask the user whether to re-pair via pair_ledger_live. The exact call-to-action text is in peerUnreachableGuidance; splice it verbatim into your reply rather than paraphrasing. Never auto-re-pair on a read-only request.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate read-only, idempotent, non-destructive. Description adds details about cached data, security (topic verification, spoofing risks), and peerUnreachable behavior. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is lengthy but well-structured and front-loaded. Each sentence adds necessary context for security and correct usage. Slight verbosity justified by tool's critical role.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, description fully documents return format, field semantics, error conditions (peerUnreachable), and security workflow. Complete for a status tool with complex usage context.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters; baseline is 4. Description does not need to add param info, and it adds no param semantics (none exist).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states the tool reports WalletConnect session status for EVM and cached pairings for TRON/Solana, distinguishing from sibling pairing tools. It specifies return fields and when to call it.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit guidance on when to call first (for resolving wallet references), when not to ask for addresses, security verification steps, and handling peerUnreachable. References sibling tools and tells agent actions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_lending_positionsA
Read-onlyIdempotent

Fetch all Aave V3 lending/borrowing positions for a wallet. Returns collateral, debt (both in USD and per-asset), health factor, LTV, and liquidation threshold across Ethereum and Arbitrum.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainsNo

TDQS

A3.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, and idempotentHint=true, so the description does not need to repeat that. It adds value by specifying the exact data returned (collateral, debt, health factor, LTV, liquidation threshold) and mentions the chains (Ethereum and Arbitrum). However, it does not disclose any rate limits, error behaviors, or the effect of the optional 'chains' parameter.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single concise sentence that front-loads the key purpose and lists important details. It is efficient and avoids fluff, though a bulleted list could improve scanability. It earns its place without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (multi-chain, multi-field positions) and absence of an output schema, the description covers the core purpose and return fields. However, it lacks details on how the 'chains' parameter interacts with the return (does querying multiple chains aggregate or separate?), default behavior, and the exact structure of the response (e.g., per-asset breakdown format). It is adequate but not fully comprehensive.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 0% description coverage, so the description should compensate. It mentions 'wallet' implicitly and 'chains' by naming example chains, but it does not explain the wallet format (0x address), that chains is an array, or that polygon/base/optimism are also valid despite the description focusing on Ethereum and Arbitrum. The description adds minimal meaning beyond the schema's pattern and enum.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the specific action (fetch all lending/borrowing positions), the protocol (Aave V3), and the target (wallet). It lists the returned fields (collateral, debt, health factor, LTV, liquidation threshold) and chains (Ethereum and Arbitrum), making it easy to distinguish from sibling position-fetching tools like get_compound_positions or get_kamino_positions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description does not explicitly state when to use this tool versus alternatives. While the name and sibling context imply it is for Aave V3 positions, there is no guidance on prerequisites, when not to use it, or comparisons with other position tools. Usage is implied but not explicitly directed.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_lp_positionsA
Read-onlyIdempotent

Fetch all Uniswap V3 liquidity-provider positions for a wallet. Returns token pair, current token amounts, fee tier, in-range status, uncollected fees (lower bound), and an approximate impermanent-loss estimate.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainsNo

TDQS

A4.1/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already provide readOnlyHint, destructiveHint, idempotentHint, openWorldHint. Description adds value by listing returned fields (token pair, amounts, fee tier, etc.), which are not in the schema. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences: first states purpose, second lists outputs. Front-loaded, no unnecessary words. Every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, description adequately explains what is returned. However, it does not mention that wallet is an Ethereum address or that chains is optional. Still reasonably complete for a simple read tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so description must compensate. It only mentions 'for a wallet' but does not describe the wallet format or the chains enum. The schema has pattern and enum, but no additional semantics in description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it fetches all Uniswap V3 liquidity-provider positions for a wallet, with specific verb 'Fetch' and resource 'Uniswap V3 liquidity-provider positions'. Distinguishes from sibling tools like get_compound_positions by naming the protocol.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Implies usage for Uniswap V3 positions, but does not explicitly state when not to use or suggest alternatives. However, the protocol name in the description provides clear context for when to select this tool among similar ones.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_ltc_balanceA
Read-onlyIdempotent

Return the on-chain balance for one Litecoin mainnet address via the Esplora indexer (litecoinspace.org by default; override via LITECOIN_INDEXER_URL env var or userConfig.litecoinIndexerUrl). Returns confirmed + mempool litoshis and an LTC-decimal projection. Accepts L/M/3/ltc1q/ltc1p — the read path validates format only.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressYesLitecoin mainnet address. Accepts legacy (L...), P2SH (M...), legacy P2SH (3...), native segwit (ltc1q...), or taproot (ltc1p...). Note that Litecoin Core has not activated Taproot on mainnet, so ltc1p... outputs derive but are not yet spendable. Testnet (tltc1...) and MWEB (ltcmweb1...) addresses are not supported.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds behavioral context beyond annotations: the data source (Esplora indexer), the output details (confirmed+mempool litoshis, LTC decimal), and the fact that format validation is the only check. Annotations already indicate read-only and idempotent, so the description enhances transparency without contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is three sentences, each earning its place: first states purpose and source, second details output, third notes address formats and limitations. No extraneous information, and the core action is front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple balance retrieval with one parameter, the description is fairly complete. It could explicitly mention the return JSON structure (field names), but the lack of an output schema means the agent must infer. Still, it provides necessary context for invoking the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% description coverage for the address parameter, detailing format and limitations. The tool description does not add meaningful semantics beyond what the schema already provides, so baseline score of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it returns the on-chain balance for a Litecoin mainnet address, specifying the data source (Esplora indexer) and output components (confirmed+mempool litoshis, LTC decimal). It distinguishes from siblings by focusing on Litecoin and listing specific address formats, and notes limitations (mainnet only, no testnet/MWEB).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implicitly tells when to use: for getting Litecoin balance, and it notes that the read path only validates format, so it does not confirm address usage. However, it does not explicitly compare to other get_ltc_* tools or provide alternative scenarios, but the context of sibling tools (e.g., get_ltc_blocks_recent) makes it clear this is for balances.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_ltc_blocks_recentA
Read-onlyIdempotent

READ-ONLY — recent Litecoin block headers, newest-first (default 144 ≈ 6h at 2.5-min blocks; capped at 200). Mirror of get_btc_blocks_recent for LTC. Used internally by get_market_incident_status({ protocol: 'litecoin' }) to compute hash_cliff, empty_block_streak, and miner_concentration. Issue #233 v1.

ParametersJSON Schema
NameRequiredDescriptionDefault
limitNoHow many recent blocks to fetch, newest-first. Default 144 (~6h on LTC at 2.5-min blocks). Capped at 200 to bound HTTP fan-out on litecoinspace.org's tighter free tier.

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint true, destructiveHint false, idempotentHint true, openWorldHint true. The description adds specifics: READ-ONLY, default 144 blocks (~6h), capped at 200, and internal usage context. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a tight three-sentence paragraph, front-loaded with 'READ-ONLY', and every sentence adds value (function, defaults, internal usage). No wasted words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple list tool with no output schema, the description adequately specifies it returns block headers newest-first, with defaults and cap. It mentions internal usage and issue reference. Minor omission: could briefly note typical fields in a block header, but not required.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema provides 100% coverage for the single limit parameter. The description adds reasoning for the cap (to bound HTTP fan-out on litecoinspace.org's tighter free tier), providing meaningful context beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it fetches recent Litecoin block headers, newest-first, with default limit and cap. It explicitly mirrors get_btc_blocks_recent for LTC, distinguishing it from sibling tools like get_ltc_block_tip or get_ltc_block_stats.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description notes it is used internally by get_market_incident_status for LTC and mentions the cap bound due to API tier. However, it does not explicitly state when to use this tool versus alternatives like get_ltc_block_tip or get_ltc_block_stats.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_ltc_block_statsA
Read-onlyIdempotent

READ-ONLY — litecoind getblockstats output. Mirror of get_btc_block_stats for LTC. Requires LITECOIN_RPC_URL configured. Issue #248 / #233 v2.

ParametersJSON Schema
NameRequiredDescriptionDefault
hashOrHeightYesEither a 64-hex block hash OR a block height. The RPC method `getblockstats` accepts both forms — pick whichever the agent already has on hand.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, idempotentHint, etc. Description adds configuration requirement and mirror relationship. No contradictions; it extends annotation context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two concise, front-loaded sentences. First sentence states purpose and read-only nature, second adds mirror and config requirement. No redundant information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Lacks explicit return value description, but 'litecoind getblockstats output' is a known RPC format, providing enough context for an agent familiar with the ecosystem. Issue references are extra.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and schema description explains hashOrHeight parameter well. Description adds no new semantic detail beyond 'mirror of BTC version', which is marginal. Baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it's a read-only tool for litecoind getblockstats output. Explicitly identifies as mirror of get_btc_block_stats for LTC, distinguishing it from its sibling tool.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

States prerequisite (LITECOIN_RPC_URL configured) and implies usage for LTC block stats. Does not explicitly state when not to use, but the mirror reference provides guidance for selection.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_ltc_block_tipA
Read-onlyIdempotent

READ-ONLY — current Litecoin mainnet chain tip. Mirror of get_btc_block_tip for Litecoin: height, 64-hex hash, timestamp, ageSeconds, optional MTP + difficulty. Backed by the configured indexer (litecoinspace.org default; LITECOIN_INDEXER_URL env var or litecoinIndexerUrl user-config override for self-hosted Esplora). LTC blocks target 2.5 minutes — a 10-min gap is well within Poisson normal but worth surfacing. Issue #233 v1 (this tool was missing from the MCP surface despite the underlying indexer method existing in code).

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true. The description adds value by specifying the tool is backed by a configurable indexer, notes the block time context, and references an issue explaining why the tool was missing. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is concise and front-loaded, but includes some extraneous details (e.g., issue reference, env var name). Could be slightly more streamlined, but overall efficient and well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema and no parameters, the description covers the return fields, configuration options, and behavioral context. It mentions the tool is a mirror of a Bitcoin counterpart and explains block time implications. Minor omission: does not explicitly describe output format (e.g., JSON object), but the listed fields imply structure.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has zero parameters and 100% coverage, so bar for parameter semantics is high. The description does not need to add parameter info; it appropriately focuses on output fields and configuration. Baseline 4 for zero-param tool.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it is a read-only tool to get the current Litecoin mainnet chain tip, mirroring get_btc_block_tip, and specifies returned fields (height, 64-hex hash, timestamp, ageSeconds, optional MTP + difficulty). It distinguishes from sibling tools like get_btc_block_tip and get_ltc_chain_tips.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides context about the tool being a mirror of get_btc_block_tip, notes the block time difference (2.5 min vs 10 min), and mentions configurability. However, it does not explicitly state when to use this tool versus alternatives, nor does it give exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_ltc_chain_tipsA
Read-onlyIdempotent

READ-ONLY — litecoind getchaintips output. Mirror of get_btc_chain_tips for LTC. Requires LITECOIN_RPC_URL configured. Self-hosting litecoind -prune=5000 is much cheaper than self-hosting bitcoind (~5GB on disk + ~6h IBD on a residential link), so for LTC users wanting an indexer-independent second opinion, self-hosting is the most accessible route. Issue #248 / #233 v2.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already provide readOnlyHint, destructiveHint, idempotentHint. Description adds context about the underlying data source (litecoind), configuration requirement, and cost comparison. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description includes extraneous information like issue numbers and cost comparison details that are not directly needed for tool invocation. Could be more concise.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no parameters and no output schema, the description provides adequate context: read-only, mirror of BTC version, requires configuration, and purpose. Complete enough for a simple tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has no parameters, so description does not need to add parameter meaning. The description is clear about the tool's input-less nature.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it is READ-ONLY and returns the litecoind getchaintips output, mirroring get_btc_chain_tips for LTC. This specific verb+resource distinguishes it from siblings like get_ltc_block_tip.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description mentions when to use (for indexer-independent second opinion) and that it requires LITECOIN_RPC_URL configured. It implies mirroring get_btc_chain_tips, but does not explicitly provide when-not or direct alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_ltc_mempool_summaryA
Read-onlyIdempotent

READ-ONLY — litecoind getmempoolinfo output. Mirror of get_btc_mempool_summary for LTC. Requires LITECOIN_RPC_URL configured. Issue #248 / #236 v2.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, idempotentHint, etc. The description adds the context of being a mirror and the need for configuration, but does not significantly expand on behavioral traits beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise with two sentences, front-loading the read-only nature and providing essential context without waste.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description explains the source and dependencies, but given no output schema, it could elaborate on the return structure. However, it suffices for a simple, parameterless tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

There are zero parameters and schema coverage is 100%, so the baseline is 4. The description does not need to add parameter info, and it doesn't.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it retrieves litecoind getmempoolinfo output, and explicitly notes it is a mirror of get_btc_mempool_summary for LTC, providing a specific verb+resource and differentiation from siblings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It explicitly requires LITECOIN_RPC_URL configured and points to the alternative BTC version, giving clear guidance on when to use this tool versus its BTC counterpart.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_marginfi_diagnosticsA
Read-onlyIdempotent

READ-ONLY — diagnostic surface for the hardened MarginFi client load. Returns the list of banks the bundled SDK (v6.4.1, IDL 0.1.7) had to skip while fetching the production group, with each record carrying the bank address, best-effort mint + symbol (recovered from raw bytes even when Borsh decode fails), the step where the skip happened (decode / hydrate / tokenData / priceInfo), and the raw error reason. Call this when prepare_marginfi_* reports that a mint you know is listed on mainnet (e.g. USDC) was missed — it will either name the bank explicitly as skipped with the root cause, or confirm the mint truly isn't in the current group. The snapshot reflects the most recent fetchGroupData pass in this process; an empty cache is warmed on demand. No input args.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true. Description adds behavioral details: snapshots most recent fetchGroupData pass, warms cache on demand, describes output fields including recovery from raw bytes. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is thorough but slightly verbose (e.g., details about SDK version and IDL version). However, it is well-structured with purpose, return details, usage guidance, and cache behavior. Every sentence adds value, so it earns a high score.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (diagnostic for a specific client), empty schema, and no output schema, the description fully explains purpose, usage context, output details, and behavioral traits. It is complete and leaves no ambiguity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

No parameters exist; schema coverage is 100%. Description explicitly confirms 'No input args.' The description cannot add more meaning because there are no parameters to describe.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it is a diagnostic surface for the hardened MarginFi client load, returning a list of skipped banks with detailed fields. It distinguishes itself from sibling tools like prepare_marginfi_* and get_marginfi_positions by focusing on diagnostics rather than operations or position queries.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit when-to-use guidance: call when prepare_marginfi_* reports a mint is missed. Explains tool behavior—either names the skipped bank with cause or confirms mint not in group. No mention of when not to use, but context is clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_marginfi_positionsA
Read-onlyIdempotent

READ-ONLY — enumerate a Solana wallet's MarginFi lending positions. Probes the first 4 MarginfiAccount PDAs under the wallet (accountIndex 0..3) and returns one entry per existing account. Each entry reports the supplied and borrowed balances per bank (human amount + USD value), aggregate totals, and the health factor (assets/liabilities, >1 safe, <1 liquidatable, Infinity when no debt). Bank-level pause warnings surface in the warnings field. Parallel to EVM's get_compound_positions / get_morpho_positions. Returns an empty array when the wallet has no MarginfiAccount.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet to enumerate MarginFi positions for. Probes the first 4 MarginfiAccount PDAs under this wallet (accountIndex 0..3) and returns one entry per existing account.

TDQS

A4.5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, etc. Description adds substantial behavioral context: probes account indices 0-3, returns per-account entries with balances, USD values, health factor with interpretation (>1 safe, Infinity when no debt), and bank-level pause warnings. Contradiction false.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is a single paragraph of 4 sentences. Every sentence adds value: opens with 'READ-ONLY', then describes action, scope, return details, and parallelism. Zero waste.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple one-parameter read-only tool, the description covers return structure, health factor interpretation, aggregate totals, warnings field, and empty array case. No output schema exists, so the description adequately explains what is returned.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the schema description for 'wallet' already includes the probing detail. The tool description repeats this without adding new meaning beyond the schema, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description states specific verb 'enumerate' and resource 'MarginFi lending positions' for a Solana wallet. It clearly distinguishes from siblings by explicitly naming parallel tools (get_compound_positions, get_morpho_positions).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Description provides clear context: it is read-only, probes first 4 accounts, and returns empty array if no positions. It mentions parallels to other tools, giving implicit guidance on when to use this vs alternatives, but lacks explicit when-not-to-use.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_market_incident_statusA
Read-onlyIdempotent

Return an 'is anything on fire' snapshot across every registered market for a protocol + chain. For Compound V3, returns per-market pause flags, utilization, totalSupply, totalBorrow. For Aave V3, returns per-reserve isActive/isFrozen/isPaused, utilization, totalSupplied, totalBorrowed. Each entry has a flagged bit: Compound flags on any pause or utilization ≥ 95% (borrowers trapped); Aave flags on paused/frozen/inactive or utilization ≥ 95%. Top-level incident: true if any market/reserve is flagged. Use when you suspect a governance pause, a utilization cliff, or multi-market contagion from a shared-collateral exploit — collapses what would otherwise take one get_compound_market_info call per market.

ParametersJSON Schema
NameRequiredDescriptionDefault
protocolYesWhat to scan. EVM lending: compound-v3 flags per-Comet pause + utilization, aave-v3 flags per-reserve isPaused/isFrozen/!isActive + utilization. Base-layer chains: bitcoin/litecoin compute tip_staleness + hash_cliff + empty_block_streak + miner_concentration; solana computes slot_progression + skip_rate + validator_concentration + cluster_halt + epoch_progression + priority_fee_anomaly; tron computes block_progression + missed_blocks_rate + sr_concentration + sr_rotation_anomaly + tronGrid_divergence + network_resource_exhaustion (and usdt_blacklist_event when `wallet` is supplied). solana-protocols scans for recent_program_upgrade + token_freeze_event + Pyth oracle_staleness against the user's exposure when `wallet` is supplied.
chainNoEVM chain (used by compound-v3 / aave-v3 only; ignored otherwise).ethereum
walletNoWallet address — used by `solana-protocols` (SPL exposure scope) and `tron` (TRC-20 USDT counterparty blacklist scope, issue #249). Solana base58 (43-44 chars) for `solana-protocols`; TRON base58 (T-prefix, 34 chars) for `tron`. Ignored on other protocols.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations (readOnlyHint, idempotentHint, openWorldHint) indicate safe, read-only operation. Description adds concrete behavioral details: returns flagged bit, incident flag, utilization thresholds, and per-protocol logic, beyond what annotations provide.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured and front-loaded with purpose, but somewhat dense with repeated protocol details. Could be slightly more concise without losing clarity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema exists, but description fully explains return fields (flagged bit, incident flag, per-reserve flags, utilization, supply, borrow). Covers all protocols and edge cases adequately.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with descriptions for all parameters. Description adds value by explaining how each enum value affects return logic (e.g., bitcoin computes hash_cliff, empty_block_streak) and wallet usage for specific protocols.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it returns an 'is anything on fire' snapshot across markets, with per-protocol details (Compound, Aave, base-layer chains). It distinguishes itself from sibling get_compound_market_info by collapsing multiple calls into one.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly advises use when suspecting governance pause, utilization cliff, or multi-market contagion. Contrasts with get_compound_market_info for alternative when detailed per-market info is needed.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_morpho_positionsA
Read-onlyIdempotent

Fetch Morpho Blue positions for a wallet. If marketIds is omitted, the server auto-discovers the wallet's markets by scanning Morpho Blue event logs (may take several seconds on a cold call). Pass explicit marketIds (bytes32 each, keccak256 of MarketParams) as a fast path. Returns per-market supplied/borrowed assets and collateral.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain Morpho Blue is deployed on. Currently only ethereum is enabled.ethereum
marketIdsNoMorpho Blue market ids (bytes32 each) to check. If omitted, the server auto-discovers the wallet's markets by scanning Morpho Blue event logs (Supply / Borrow / SupplyCollateral with onBehalf == wallet). Pass explicitly as a fast path — cold discovery walks from Morpho's deploy block to head in ~10k-block chunks and can take several seconds.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description adds valuable behavioral details beyond annotations: auto-discovery performance warning, fast path suggestion, and return content. Annotations already indicate read-only, idempotent, non-destructive; description enriches with operational nuance.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three sentences efficiently convey purpose, key behavioral nuance, and return content. No redundant or superfluous text.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description clarifies return categories (supplied/borrowed assets and collateral) per market. Lacks output format specifics but adequate for a query tool. No mention of limits or pagination.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers 100% of parameters with descriptions; tool description adds context about marketIds auto-discovery vs explicit fast path. However, the wallet parameter schema description uses 'execute this action' which slightly misaligns with the read-only nature.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly identifies the tool as fetching Morpho Blue positions for a wallet, specifying the resource (Morpho Blue) and action (fetch). It distinguishes from sibling tools like get_compound_positions by explicitly naming the protocol.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description advises on when to use explicit marketIds for speed versus omitting them for auto-discovery, but does not explicitly contrast with sibling tools for mutations (e.g., prepare_morpho_*). The readOnlyHint annotation reinforces the read-only nature.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_nft_collectionA
Read-onlyIdempotent

Wallet-less NFT collection metadata: name, symbol, image, description, current floor ask + top bid (in native asset and USD), volume by 24h / 7d / 30d / all-time windows, owner count, total supply, secondary-sale royalty (basis points + recipient address). Source: Reservoir. Use this for "what's this collection's vitals?" lookups before adding it to a watchlist or evaluating exposure. EVM-only in v1 — Solana NFTs need a different API surface and are deferred. Pass the contract address on its deployed chain (defaults to ethereum). Read-only.

ParametersJSON Schema
NameRequiredDescriptionDefault
contractAddressYesEVM contract address of the NFT collection.
chainNoEVM chain the collection is deployed on. Defaults to ethereum.ethereum

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate readOnlyHint=true, destructiveHint=false, idempotentHint=true, openWorldHint=true. Description says 'Read-only' and describes a non-destructive operation. It adds context beyond annotations: data source (Reservoir), EVM-only constraint, and return field details. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is three sentences: first lists return fields, second gives use case and source, third states constraints. It is front-loaded with key information and contains no redundant words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema exists, but the description enumerates return fields thoroughly (name, symbol, image, description, floor ask, top bid, volume windows, owner count, total supply, royalty). It also specifies data source (Reservoir) and constraints (EVM-only, chain default). For a read-only lookup tool, this is complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%; both parameters are well-described in the schema. The description adds minor reinforcement: 'Pass the contract address on its deployed chain (defaults to ethereum).' This does not significantly expand semantic meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool retrieves NFT collection metadata including specific fields like name, symbol, image, floor ask, top bid, volume windows, owner count, total supply, and royalty. It distinguishes from siblings by indicating 'Wallet-less' and 'vitals' lookup, and explicitly notes EVM-only vs Solana.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit guidance: use for 'what's this collection's vitals?' lookups before adding to a watchlist or evaluating exposure. It also states EVM-only in v1 and defers Solana NFTs to a different API, helping agents avoid incorrect usage. Pass contract address and default chain are mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_nft_historyA
Read-onlyIdempotent

Recent NFT activity for a wallet across one or more supported EVM chains: mints, sales, transfers, listings (asks), bids, and cancels. Source: Reservoir's /users/{user}/activity/v6. Multi-chain results are merged + sorted by timestamp descending; capped at limit (default 25, max 100). Mirrors get_transaction_history's shape but limited to NFT-relevant events — same agent ergonomics, scoped to the NFT side of the wallet. EVM-only in v1; Solana deferred. Read-only.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainsNoSubset of supported EVM chains to scan. Omit for all five. Multi-chain results are merged + sorted desc by timestamp.
limitNoMax merged items to return (newest-first). Default 25, capped at 100 to keep the cross-chain merge bounded.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, idempotentHint=true. The description adds value by explaining multi-chain result merging, timestamp sorting, a cap at `limit`, and the data source (Reservoir API). No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three sentences, front-loaded with the core purpose, followed by key behavioral details and a sibling reference. No wasted words; every sentence adds information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's low complexity (3 params, strong annotations), the description covers source, event types, merging, sorting, cap, EVM limitation, and relations to sibling. Lacks explicit return structure but references `get_transaction_history`'s shape, which compensates. Well-rounded for a read-only query.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema descriptions cover 2 of 3 parameters (chains, limit) completely, and the description mostly echoes those details. For the wallet parameter, the description only says 'EVM wallet' but schema pattern already implies that. No new meaning beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses specific verbs ('get', 'list') and nouns ('NFT activity', 'mints, sales, transfers, listings, bids, cancels') and clearly identifies the resource (wallet address across EVM chains). It distinguishes itself from the sibling `get_transaction_history` by explicitly noting it is scoped to NFT-relevant events.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides clear context: it returns NFT-specific activity across EVM chains, mirrors `get_transaction_history`, and notes EVM-only with Solana deferred. It implies when to use (for NFT events) and when not (for non-EVM chains), but does not give explicit 'when not to use' or list alternatives beyond the one sibling mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_nft_listingsA
Read-onlyIdempotent

Issue #569. Ranked individual listings (currently active asks) for a single EVM NFT collection on a single chain, sorted floor-ascending. Distinct from get_nft_collection, which exposes only collection-level metadata (floor / volume / holders) and so cannot ground a 'show me the N cheapest' question. Source: Reservoir /orders/asks/v5?status=active&sortBy=price&sortDirection=asc. Returns rows with tokenId, priceEth / priceUsd, priceCurrency, listingSource (marketplace domain — opensea.io / blur.io / x2y2.io / etc.), makerAddress (seller), validUntil (expiry), and orderKind (seaport-v1.6 / blur / etc.). Page size schema-capped at 10 (default 5) — small enough that the agent can validate every referenced row exists in the response. Single-token criteria only; collection-bid criteria orders are filtered out so every row names a concrete tokenId. SCOPE: read-only display tool. VaultPilot does NOT yet expose an NFT-buy preparation flow — Seaport / blur / x2y2 marketplace fills require EIP-712 typed-data signing, gated on the typed-data clear-sign defenses tracked at #453. Use these rows for research / candidate selection; execute any actual buy via the listing's marketplace UI (listingSource field) until the prepare flow lands. AGENT BEHAVIOR: do NOT extrapolate beyond rows.length. Validate that any rows[i] referenced in the answer actually exists in this response. The small page cap is the fabrication-resistance guard called out in #569. EVM-only in v1; Solana NFT marketplaces (Magic Eden / Tensor) deferred. Read-only.

ParametersJSON Schema
NameRequiredDescriptionDefault
contractAddressYesEVM contract address of the NFT collection.
chainNoEVM chain the collection is deployed on. Defaults to ethereum.ethereum
limitNoMax ranked listings to return (cheapest-first). Capped at 10 — small enough that the agent can validate every row index against the response before referencing it. The issue (#569) explicitly calls out the small cap as part of the fabrication-resistance defense.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description complements annotations (readOnlyHint, destructiveHint, idempotentHint) by adding that it's a 'read-only display tool', explains the small page cap as a fabrication-resistance guard, and details the output fields. No annotation contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is well-structured and front-loaded with core purpose, then differentiates from siblings, describes source/fields, and ends with agent behavior. Every sentence adds value without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, description details the return fields (tokenId, priceEth, etc.) and constraints (EVM-only, single-token criteria, small page cap). Completely covers what an agent needs to use this tool effectively.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has 100% coverage with descriptions for all 3 parameters. Description adds value by explaining the purpose of the 'limit' cap (fabrication-resistance) and reinforcing the contract requirement. Slightly above baseline due to added context.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description explicitly states it returns 'Ranked individual listings (currently active asks) for a single EVM NFT collection on a single chain, sorted floor-ascending.' It also distinguishes from sibling `get_nft_collection` by noting the latter only provides collection-level metadata, making the purpose very clear.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Includes explicit when-to-use guidance (research/candidate selection) and when-not-to (execute buy via marketplace UI until prepare flow lands). Also notes EVM-only and Solana deferred, providing clear context on limitations.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_nft_portfolioA
Read-onlyIdempotent

List the NFT collections a wallet owns across EVM chains and/or Solana, with per-collection floor price (EVM only in v1) and a rolled-up total floor value. EVM source: Reservoir. Multi-chain fan-out via Promise.allSettled so a per-chain rate-limit or 5xx degrades to a coverage[].errored flag rather than aborting the whole call. Solana source (issue #433): Helius DAS getAssetsByOwner — pass solanaWallet (base58). Requires a Helius API key (free tier; configure via set_helius_api_key in demo mode or vaultpilot-mcp-setup for persistence). Returns per-collection rows without floor pricing in v1; Magic Eden / Tensor floor integration is tracked as a separate follow-up. At least one of wallet (EVM) / solanaWallet (Solana) must be supplied. Each row aggregates per-collection (one row per (chain, contract / collection-mint)), summing tokenCount across token IDs the wallet holds. Optional filters (EVM-only): minFloorEth drops dust / spam / scam collections; collections[] whitelists a specific contract set. Results sorted by totalFloorUsd descending; Solana rows tail-sort. NFT signing actions (list, sweep, accept-bid, transfer) deferred — separate plan; biggest UX risk because of approval / proxy patterns. Caveat surfaced in notes[]: floor != liquidation; totalFloorUsd is an upper-bound, not what the wallet would net selling everything immediately. Optional RESERVOIR_API_KEY env var avoids the anonymous-tier rate limit on multi-chain fan-out. Issue #433 Solana follow-ups (separate issues): get_nft_history Solana support, get_nft_collection Solana support, Solana floor pricing.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNoEVM wallet to enumerate. Reservoir is the source of truth; the tool fans out one HTTP call per requested chain in parallel. Optional iff `solanaWallet` is provided — at least one of `wallet` / `solanaWallet` must be supplied.
solanaWalletNoIssue #433 — Solana wallet to enumerate via the Helius DAS `getAssetsByOwner` method. Requires a Helius API key (free tier is enough); falls back to a structured setup hint when only the public Solana mainnet endpoint is configured (DAS is not exposed there). v1 returns per-collection rows without floor pricing — Magic Eden / Tensor floor is a separate follow-up. Optional iff `wallet` is provided.
chainsNoSubset of supported EVM chains to scan (ethereum / arbitrum / polygon / base / optimism). Omit to scan all five. Per-chain errors degrade rather than abort the whole call — the response's `coverage` field flags which chains errored. Ignored when only `solanaWallet` is set.
minFloorEthNoDrop NFTs whose collection floor is below this value (in the chain's native asset). Useful for filtering out airdrop / spam / scam collections that pollute the headline. Default: no filter. Solana rows have no floor pricing in v1 (#433 deferred), so this filter only affects EVM rows.
collectionsNoWhitelist a specific set of collection contract addresses. When supplied, ALL other collections are dropped. Useful for spot-checking a particular collection. Mutually composable with `minFloorEth` (both filters apply). EVM-only.

TDQS

A4.1/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description reveals important behavioral traits beyond annotations: multi-chain fan-out with error isolation via Promise.allSettled, the meaning of totalFloorUsd as an upper-bound caveat, and per-collection aggregation. Annotations already declare read-only, so the description adds value on error handling and value interpretation.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is overly verbose, including issue numbers, follow-ups, and deferred features that are not essential for tool usage. Key information is front-loaded but buried in technical details. It could be significantly shortened without losing clarity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (multi-chain, multiple parameters, no output schema), the description is fairly complete. It covers the output shape (per-collection rows, coverage flags, notes), error behavior, and parameter constraints. Missing explicit output field list, but still highly informative.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so baseline is 3. The description adds substantial context: explains the aggregation logic, optional filters (minFloorEth, collections), and their effects. It also mentions sources (Reservoir, Helius) and how filters behave across chains. This goes beyond the schema descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool lists NFT collections a wallet owns across EVM chains and/or Solana, with floor prices and total floor value. It uses a specific verb (List) and resource (NFT collections), distinguishing it from siblings like get_nft_collection and get_nft_history.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides clear when-to-use guidance: for portfolio overview across multiple chains. It mentions required parameters (at least one wallet), warns about limitations (Solana floor pricing deferred), and notes that signing actions are handled separately. It could explicitly compare to similar tools, but the context is adequate.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_pnl_summaryA
Read-onlyIdempotent

Wallet-level net PnL over a preset time window across EVM (Ethereum/Arbitrum/Polygon/Base/Optimism), TRON, and Solana. Returns the headline pnlUsd (= ending value − starting value − net user contribution), with per-chain and per-asset breakdown. Math: starting quantity per asset is reconstructed as currentQty − netFlowQty (clamped at zero when negative — user received the asset entirely within the window), priced at the period's start via DefiLlama historical, then pnlUsd = walletValueChange − (inflowsUsd − outflowsUsd). Use this for the simple 'how much did I make?' question; pair with get_portfolio_diff for the same window when the user wants the price-vs-quantity decomposition narrative. Periods: 24h / 7d / 30d / ytd / inception (capped at 365d in v1 — "since wallet creation" is not literal because the underlying history fetcher caps at ~50 items per chain). At least one of wallet / tronAddress / solanaAddress is required. v1 caveats: wallet token balances only (DeFi position interest accrual collapses into the residual); gas costs not subtracted; Solana program-interaction txs (Jupiter swaps, MarginFi actions, native staking actions) are skipped from net-flow accounting because their balance deltas mix intra-tx swap legs; truncation flagged when history caps. Bitcoin is intentionally NOT supported in v1 — the BTC path lacks in-window flow accounting and a price-effect-only number would be misleading.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNoEVM wallet (Ethereum / Arbitrum / Polygon / Base / Optimism). Used to fetch current balances and walk EVM tx history for the period.
tronAddressNoTRON mainnet base58 address (T-prefix). Folds TRX + TRC-20 balances and TRON history into the PnL.
solanaAddressNoSolana mainnet base58 pubkey. Folds SOL + SPL balances and Solana history into the PnL.
periodNoTime window. "24h" / "7d" / "30d" are rolling; "mtd" is calendar-month-to-date (UTC, from the 1st of the current month); "ytd" is calendar-year-to-date (UTC); "inception" is a 365-day rolling window in v1 — "since wallet creation" is approximated, not literal, to keep the history fetch bounded. Periods longer than ~30d may under-count flows because the underlying history fetcher caps at ~50 items per chain; the response surfaces `truncated: true` when this happens.30d

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, but the description adds substantial caveats: v1 limitations (capped history, gas not subtracted, Solana swap legs skipped, Bitcoin unsupported) and truncation flag when history caps. This goes beyond basic read-only behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is thorough and well-structured, but slightly verbose. However, every sentence serves a purpose, and key info is front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description covers all necessary contextual info: what's included/excluded, period definitions, chain support, caveats, and truncation behavior. It is highly complete for a complex tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with detailed descriptions. The description adds context like requiring at least one address and explaining the 'inception' period's 365-day cap. It adds value but the schema already handles param meaning well.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly specifies the tool's purpose: 'Wallet-level net PnL over a preset time window across EVM...' and provides a detailed mathematical formula. It distinguishes itself from the sibling `get_portfolio_diff` by noting when to pair them.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use ('simple how much did I make?') and when to pair with `get_portfolio_diff` for decomposition. Also lists period options and required addressing at least one chain address.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_portfolio_diffA
Read-onlyIdempotent

Decompose what changed in the user's portfolio over a time window — the AI version of an account statement. Returns the top-level USD change, broken down by chain and per-asset into: price moves (USD impact of price change on what was held the entire window), net deposits / withdrawals (sum of priced external transfers), and 'other' (the residual — interest accrual, swap legs, MEV, anything not cleanly attributable to price or external flow). Supports wallet (EVM), tronAddress, solanaAddress, bitcoinAddress — at least one required. Window: 24h / 7d / 30d / ytd. Returns BOTH a structured envelope AND a pre-rendered narrative string suitable for verbatim relay (control via format). Distinct from get_portfolio_summary (which gives current state) and get_pnl_summary (which gives the single net-PnL number) — this tool gives narrative decomposition. v1 caveats: history fetcher caps at ~50 items per chain, so very active wallets may under-count flows (response surfaces truncated: true); DeFi-position interest accrual collapses into the otherEffectUsd residual rather than its own bucket; Solana program-interaction txs (Jupiter swaps, MarginFi actions, etc.) are skipped from net-flow accounting (their balance deltas mix swap legs); Bitcoin shows current balance only (no in-window flow accounting yet).

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNoEVM wallet (Ethereum / Arbitrum / Polygon / Base / Optimism). Used to fetch current balances and walk EVM tx history for the window.
tronAddressNoTRON mainnet base58 address (T-prefix). Folds TRX + TRC-20 balances and TRON history into the diff.
solanaAddressNoSolana mainnet base58 pubkey. Folds SOL + SPL balances and Solana history into the diff.
bitcoinAddressNoBitcoin address (any type). Folds BTC balance + history. Only one BTC address per call in v1.
windowNoTime window for the diff. "24h" / "7d" / "30d" are rolling; "ytd" is calendar-year-to-date (UTC). For periods longer than 30d the underlying history fetcher's per-chain item cap (~50) may truncate flow accounting; the response surfaces `truncated: true` when this happens.30d
formatNo"structured" returns the JSON envelope only. "narrative" returns only the pre-rendered string. "both" (default) returns both — agents typically use the narrative for verbatim relay and the structured for follow-up questions.both

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate read-only, safe behavior. Description adds extensive behavioral detail: breakdown into price moves, deposits/withdrawals, other; v1 caveats about truncation, interest accrual handling, Solana exclusions, Bitcoin limitations. No contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is front-loaded with purpose, then details parameters and caveats. Long but every sentence adds value. Could be slightly more concise, but acceptable for complexity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Comprehensive given no output schema: explains return structure, parameter behavior, and limitations convincingly. Covers all necessary context for agent to use correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with good descriptions. Description adds extra context like 'at least one required', window rolling vs calendar, and format parameter purpose. Adds moderate value beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it decomposes portfolio changes over time, specifies verb 'decompose' and resource 'portfolio changes', and explicitly distinguishes from siblings (get_portfolio_summary and get_pnl_summary).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit when-to-use guidance: explains supported address types, window options, format control, and caveats about truncation. Differentiates from siblings, helping agent choose correctly.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_portfolio_summaryA
Read-onlyIdempotent

One-shot cross-chain portfolio aggregation for one or more wallets. Fans out across Ethereum/Arbitrum/Polygon/Base/Optimism (unless chains narrows it) and assembles: native ETH/MATIC balances, top ERC-20 holdings, Aave V3 and Compound V3 lending positions, Uniswap V3 LP positions, and Lido/EigenLayer staking — each valued in USD via DefiLlama. Pass tronAddress (base58, prefix T) alongside a single wallet to fold TRX + TRC-20 balances plus TRON staking into the same totals; breakdown.tron holds the TRON slice, tronUsd the subtotal, and tronStakingUsd the staking portion. Pass solanaAddress (base58, 43-44 chars) to fold SOL + SPL token balances into the totals; breakdown.solana holds the Solana slice and solanaUsd the subtotal (Solana staking lands in a follow-up phase). Returns a totalUsd, a breakdown by category and by chain, and the raw per-protocol position arrays. Default tool for 'what's in my portfolio?' / 'total value' questions; prefer it over calling each per-protocol reader separately.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNoSingle wallet address. Provide this OR `wallets` (not both). Use `wallets` for multi-wallet aggregated reports.
walletsNoMultiple wallet addresses to aggregate into one combined portfolio view. Mutually exclusive with `wallet`.
chainsNoSubset of supported chains to scan (ethereum, arbitrum, polygon, base). Omit to scan all supported chains.
tronAddressNoSingle TRON mainnet address. With a single `wallet`: TRX + TRC-20 + TRON staking are folded into the same per-wallet totals (`breakdown.tron`, `tronUsd`, `tronStakingUsd`). With multi-wallet `wallets[]`: surfaced as a parallel sibling slice on the response — see `nonEvm.tron` (issue #201). Mutually exclusive with `tronAddresses`.
tronAddressesNoMultiple TRON addresses (Ledger account 0, 1, 2, …). Each is fetched in parallel; the per-address slices are surfaced in `nonEvm.tron[]` with rolled-up `tronUsd` / `tronStakingUsd` totals. 1-10 entries. Mutually exclusive with `tronAddress`.
solanaAddressNoSingle Solana mainnet address (base58, 43-44 chars). With a single `wallet`: SOL + SPL + MarginFi + Kamino + Solana staking are folded into per-wallet totals. With multi-wallet `wallets[]`: surfaced as a parallel sibling slice (`nonEvm.solana`, issue #201). Mutually exclusive with `solanaAddresses`. Requires `SOLANA_RPC_URL` or `solanaRpcUrl` user config.
solanaAddressesNoMultiple Solana mainnet addresses. Each gets its own balances + MarginFi + Kamino + staking subreaders fanned out in parallel. Per-address slices in `nonEvm.solana[]` with rolled-up USD totals. 1-5 entries (Solana subreaders are RPC-heavy — keep this lean). Mutually exclusive with `solanaAddress`.
bitcoinAddressNoSingle Bitcoin mainnet address. With a single `wallet`: BTC balance × USD price is folded into per-wallet totals (`breakdown.bitcoin`, `bitcoinUsd`). With multi-wallet `wallets[]`: surfaced in `nonEvm.bitcoin` (issue #201). Mutually exclusive with `bitcoinAddresses`.
bitcoinAddressesNoMultiple Bitcoin addresses (e.g. legacy + segwit + taproot for the same Ledger account, or several account-level scans). 1-20 entries; per-address fetch errors degrade via `coverage.bitcoin`. Multi-wallet mode aggregates ALL passed addresses into a single `nonEvm.bitcoin` slice. Mutually exclusive with `bitcoinAddress`.
litecoinAddressNoSingle Litecoin mainnet address. Mirrors `bitcoinAddress`: with a single `wallet`, LTC balance × USD price folds into per-wallet totals (`breakdown.litecoin`, `litecoinUsd`); with `wallets[]`, surfaced in `nonEvm.litecoin`. Mutually exclusive with `litecoinAddresses`. Issue #274.
litecoinAddressesNoMultiple Litecoin addresses (e.g. legacy + segwit + taproot for the same Ledger account). 1-20 entries; per-address fetch errors degrade via `coverage.litecoin`. Multi-wallet mode aggregates ALL passed addresses into a single `nonEvm.litecoin` slice. Mutually exclusive with `litecoinAddress`.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate read-only, non-destructive, idempotent, and open-world. The description adds rich behavior context: fan-out across chains, address folding for non-EVM ecosystems, response structure with totalUsd and breakdown, error degradation via coverage, and mention of follow-up phases (Solana staking). No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is long due to complexity but is efficiently structured: core purpose in first sentence, then ecosystem-specific details, then usage guidance. Every sentence provides unique value, no redundancy. Properly front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema, but the description adequately describes return fields: totalUsd, breakdown by category/chain, raw per-protocol arrays, specific fields like tronUsd, tronStakingUsd, coverage. Also handles edge cases (multi-wallet, single wallet, error degradation). Complete given the complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers all 11 parameters with detailed descriptions. The tool description adds value by explaining interdependencies (mutual exclusions between single/multi address params, behavior with single wallet vs wallets array, constraints like max items for tronAddresses (10) and solanaAddresses (5)). Slightly richer than baseline 3.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool does 'one-shot cross-chain portfolio aggregation' and lists the specific protocols and assets included. It distinguishes itself from sibling tools by being the default for portfolio value questions, contrasting with per-protocol readers.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says 'Default tool for 'what's in my portfolio?' / 'total value' questions; prefer it over calling each per-protocol reader separately.' This provides clear when-to-use guidance and warns against unnecessary multiple calls, fitting the usage guidelines dimension perfectly.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_protocol_risk_scoreA
Read-onlyIdempotent

Return a 0-100 risk score for a DeFi protocol, combining TVL size, 30-day TVL trend, contract age, audit count (DefiLlama), and Immunefi bug-bounty status. Higher = safer. The protocol argument is the DefiLlama slug — works for any chain DefiLlama covers, not just EVM (Solana: marinade-finance, jito, kamino, marginfi, drift; Tron: justlend, sun-io; EVM: aave-v3, uniswap-v3, etc.). Issue #243. SCOPE: this score measures PROTOCOL-LEVEL contract safety, governance, and audit posture (will-the-protocol-rug risk). It does NOT measure individual token upside, price direction, future returns, or 'will this 100x' potential. A high score means the protocol is unlikely to be hacked or exit-scam; it says NOTHING about whether tokens custodied by, traded through, governed by, or related to the protocol will appreciate in price. AGENT BEHAVIOR: this tool surfaces data; it does NOT pick. Use it ONLY for protocol due-diligence ("is Aave V3 safer than Compound V3 to deposit into?"). Do NOT use it to ground speculative token-pick answers — "what coin will 100x", "best memecoin", "should I buy X", "which token will moon". Refuse speculative-pick prompts even when this tool was called; do not present a high score as upside, endorsement, or investment recommendation. Issue #599.

ParametersJSON Schema
NameRequiredDescriptionDefault
protocolYes

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, idempotentHint, etc. The description adds critical context: the tool surfaces data, does not endorse or pick tokens, and clarifies what a high score means (contract safety, not investment upside). No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is longer than average but well-structured with clear sections (SCOPE, AGENT BEHAVIOR). Every sentence adds value, though some repetition could be trimmed. Front-loaded with core purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The tool has one parameter, no output schema, and the description fully explains the return value (0-100 score, higher safer), the factors considered, and the intended use cases. Covers all necessary context for an agent to invoke correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has zero description coverage for the only parameter 'protocol'. The description fully compensates: explains it's a DefiLlama slug, works across chains, and provides concrete examples (Solana, Tron, EVM). Makes the parameter unambiguous.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool returns a 0-100 risk score for a DeFi protocol based on multiple factors (TVL, trend, age, audits, bug bounty). It specifies the protocol argument as a DefiLlama slug and gives examples across chains, distinguishing it from any sibling tool like check_contract_security or get_coin_price.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit guidance: use for protocol due-diligence (e.g., comparing Aave V3 vs Compound V3), and explicitly warns against using for speculative token picks. Provides clear 'do NOT use' scenarios and explains what the score does and does not indicate.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_safe_positionsA
Read-onlyIdempotent

Fetch Safe (Gnosis Safe) multisig accounts for an EVM owner address and/or by Safe address. Returns per-Safe threshold, owners, contract version, native balance, pending and recently-executed transactions, and risk notes (single-signer threshold, all-required threshold, Safe Modules, Safe Guards). Pass signerAddress to discover every Safe the wallet is an owner on, OR safeAddress to look up one Safe directly (or both — results are unioned and deduped). chains defaults to ["ethereum"]; pass an explicit array to query other supported EVM chains. Requires SAFE_API_KEY (https://developer.safe.global/) — Safe Transaction Service authenticates every request. ERC-20 balances are NOT enumerated here; pair with get_token_balance per token or get_portfolio_summary against the Safe address.

ParametersJSON Schema
NameRequiredDescriptionDefault
signerAddressNo
safeAddressNo
chainsNo

TDQS

A4.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare read-only and idempotent. Description adds behavioral details: requires API key authentication, returns pending and recently-executed transactions, risk notes, and union/dedup behavior. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is front-loaded with purpose and well-structured, but somewhat dense. Every sentence earns its place with no redundancy, though could be slightly more concise.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, description adequately covers return structure (threshold, owners, version, balance, transactions, risk notes). Also mentions prerequisites (API key), limitations (no ERC-20), and cross-references related tools.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 0% description coverage; description fully explains each parameter: signerAddress for wallet discovery, safeAddress for direct lookup, chains with default ethereum and supported values. Adds meaning beyond schema patterns.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states it fetches Safe multisig accounts for an EVM owner address and/or by Safe address, listing returned fields. Distinguishes from siblings by explicitly noting ERC-20 balances are not included and directing to get_token_balance or get_portfolio_summary.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly explains when to use signerAddress (discover all Safes for a wallet) vs safeAddress (look up one Safe), and that both can be used together. Describes chains default behavior and requirement for SAFE_API_KEY, also notes what the tool does not cover (ERC-20 balances) with alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_solana_setup_statusA
Read-onlyIdempotent

READ-ONLY — probe which one-time setup pieces are already in place for a Solana wallet: the durable-nonce account (exists / address / current nonce value / authority) and the set of MarginfiAccount PDAs (index + address). Call this BEFORE planning a multi-step Solana flow (nonce init → MarginFi init → supply) so agents can skip redundant prepare_* calls instead of re-proposing them and letting the user correct you. Mirrors the get_ledger_status pattern of cheap chain-read setup introspection. One getAccountInfo per probed PDA; no SDK load, no oracle fetch. Returns empty arrays / exists:false when nothing's set up — never throws for an empty wallet.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet to probe. Returns the state of the durable-nonce account (exists / address / lamports / currentNonce / authority) and the list of existing MarginfiAccount PDAs (accountIndex + address) for the wallet. Read-only, no RPC fan-out — one getAccountInfo per probed PDA.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate read-only, non-destructive, idempotent. Description adds: cheap chain-read, one getAccountInfo per PDA, no SDK load, no oracle fetch, never throws, returns empty arrays for empty wallet. No contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is concise (~100 words), front-loaded with 'READ-ONLY' and purpose. Structured with usage guidance, technical details, and edge cases. No unnecessary sentences.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, description fully explains return values (durable-nonce fields, MarginfiAccount PDAs) and edge case (empty wallet). Covers all context needed for a single-parameter read-only probe.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Parameter wallet has a detailed schema description covering format and return info. Tool description adds little beyond stating it probes setup pieces; schema already provides value. Baseline 3 due to high schema coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it probes Solana wallet setup pieces (durable-nonce and MarginfiAccount PDAs). It uses specific verbs and resource references, and distinguishes itself from siblings by mirroring get_ledger_status pattern.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly advises calling before multi-step Solana flows to skip redundant prepare_* calls. Provides concrete scenario and alternative (avoid re-proposing). Clear when and why to use.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_solana_staking_positionsA
Read-onlyIdempotent

READ-ONLY — enumerate a Solana wallet's liquid-staking (Marinade mSOL, Jito jitoSOL) and native stake-account positions. Returns three sections: (1) Marinade — mSOL balance + SOL-equivalent via the on-chain mSolPrice field; (2) Jito — jitoSOL balance + SOL-equivalent via the stake pool's totalLamports/poolTokenSupply ratio; (3) native stakes — all SPL stake-program accounts where this wallet has withdrawer authority, each annotated with activation status (activating / active / deactivating / inactive) and validator vote account. Parallel to EVM's get_staking_positions. Single tool call returning the full view; individual sections are separately readable via the underlying module functions for portfolio integration.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet to enumerate staking positions for. Returns three sections: Marinade (mSOL LST balance + SOL-equivalent via on-chain exchange rate), Jito (jitoSOL LST balance + SOL-equivalent), and native stake accounts (SPL stake-program accounts this wallet has withdrawer authority on, with activation status). Read-only.

TDQS

A4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, idempotentHint, and safe traits. The description adds detail on return sections (e.g., mSolPrice, activation status) but does not reveal new behavioral traits beyond what annotations imply.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured, front-loaded with 'READ-ONLY', and efficiently covers three sections. However, it could be slightly more concise without losing clarity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite lacking an output schema, the description thoroughly explains the three return sections with details (mSolPrice, activation status). It also references the parallel EVM tool, making it complete for an agent to understand what to expect.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has 100% coverage with a detailed description of the 'wallet' parameter, including the pattern and what it returns. The tool description adds little new semantics beyond the schema, so baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it enumerates Solana staking positions, listing specific protocols (Marinade mSOL, Jito jitoSOL) and native staking. It also notes it is parallel to EVM's get_staking_positions, distinguishing it from siblings.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides context as a single full-view tool, with mention of underlying module functions for individual sections. It implicitly distinguishes from EVM staking tools via 'Parallel to EVM's get_staking_positions', but lacks explicit 'when not to use' or direct alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_solana_swap_quoteA
Read-onlyIdempotent

READ-ONLY — fetch a Jupiter v6 swap quote for previewing the route, expected output, slippage, and price impact before committing to a transaction. Parallel to EVM's get_swap_quote (which uses LiFi). Calls the Jupiter aggregator at lite-api.jup.ag/swap/v1/quote, returns the opaque quoteResponse (which must be passed back verbatim to prepare_solana_swap) plus human-facing fields (symbols, amounts with decimals applied, route labels like 'Meteora DLMM' / 'Raydium CLMM', price impact %). Pass raw integer amounts in base units (e.g., '1000000' for 1 USDC). For native SOL, use the wrapped-SOL mint So11111111111111111111111111111111111111112 — Jupiter auto-wraps/unwraps at swap time.

ParametersJSON Schema
NameRequiredDescriptionDefault
inputMintYesBase58 mint address of the token being sold. For native SOL use the wrapped-SOL mint So11111111111111111111111111111111111111112 — Jupiter auto-wraps/unwraps.
outputMintYesBase58 mint address of the token being bought. Same wrapped-SOL convention as inputMint.
amountYesRaw integer amount in base units (NOT decimal-adjusted). For ExactIn swaps this is how much inputMint to sell; for ExactOut it's how much outputMint to buy. Example: to sell 1 USDC (6 decimals), pass '1000000'.
slippageBpsNoSlippage tolerance in basis points. 50 bps = 0.5%. Default 50.
swapModeNoExactIn: sell exactly `amount` inputMint, receive at least minOutput. ExactOut: buy exactly `amount` outputMint, sell at most maxInput.ExactIn
dexesNoRestrict Jupiter routing to a specific set of DEXes. Common values: "Raydium", "Orca V2", "Meteora", "Meteora DLMM", "Phoenix", "Lifinity V2", "Whirlpool". When the user names a DEX ("via Raydium"), pass it here — without a filter, Jupiter silently picks the best-output route regardless. Multiple entries OR'd. If no route exists the call errors clearly; agent should offer to retry without filter.
excludeDexesNoBlocklist version of `dexes` — DEXes Jupiter must avoid. Use when the user says "not via Raydium" or "avoid Orca". Independent of `dexes`: pass both to constrain to allowlist minus blocklist.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate readOnly, idempotent, and safe. The description adds details on the Jupiter API call, return structure (opaque quoteResponse plus human fields), auto-wrapping/unwrapping for SOL, and error behavior when no route exists, going well beyond the annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two paragraphs, front-loaded with 'READ-ONLY' and core purpose. Every sentence adds value—no fluff. Well-organized, easy to parse.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (7 parameters, no output schema), the description covers all essential aspects: what it returns, how to use parameters, error behavior, and relationship to sibling tools. No gaps remain.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 100% description coverage, so baseline is 3. The description adds value with concrete examples (e.g., '1000000' for 1 USDC), explains the native SOL mint convention, and gives common DEX names and usage patterns for the dexes parameter. This additional context justifies a 4 rather than a 5 because the schema already does much of the work.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states it fetches a Jupiter v6 swap quote for previewing route, expected output, slippage, and price impact. Distinguishes from sibling tools like 'get_swap_quote' (EVM) and 'prepare_solana_swap' by naming the aggregator and usage purpose.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says 'READ-ONLY' and to use before committing to a transaction. Mentions the quoteResponse must be passed verbatim to 'prepare_solana_swap', provides guidance on native SOL mint handling, DEX filtering, and error recovery ('agent should offer to retry without filter').

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_staking_positionsA
Read-onlyIdempotent

Fetch Lido (stETH/wstETH) and EigenLayer staking positions for a wallet across supported chains. Returns per-protocol staked amounts, USD value, APR, and EigenLayer delegation target.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) to inspect.
chainsNoSubset of chains to scan. Omit to scan all chains where staking is supported (Lido: ethereum + arbitrum; EigenLayer: ethereum only).

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint, destructiveHint, idempotentHint. The description adds context on return values (staked amounts, USD value, APR, delegation target), which is useful beyond annotations. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences: first states the action, second lists returns. No unnecessary words, front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description adequately covers return fields and supported chains implicitly. It is complete for a read-only query tool with this complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with clear descriptions for wallet and chains. The tool description does not add significant extra meaning beyond the schema, so baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly specifies fetching Lido and EigenLayer staking positions for a wallet, detailing returned data (amounts, USD value, APR, delegation target). It distinguishes from siblings like get_staking_rewards (rewards-focused) and get_solana_staking_positions (Solana-specific).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for Lido/EigenLayer positions but does not explicitly state when to use it over alternatives or when not to use it. It is clear but lacks exclusion guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_staking_rewardsA
Read-onlyIdempotent

Estimate staking rewards earned over a given period (7d/30d/90d/1y) using the current APR as a proxy. This is an estimate, not an on-chain rewards query.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) to inspect.
periodNoLookback window for aggregating accrued rewards. Defaults to 30d.30d

TDQS

A4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true and destructiveHint=false. The description adds valuable context: the estimation nature, use of current APR as proxy, and explicit warning that it is not an on-chain query. This adds behavioral insight beyond annotations without contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with the core purpose, no redundant words. Every sentence adds value: the first defines what and period, the second clarifies limitation. Efficient and well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema exists, so the description must convey behavior and limitations. It does so by explaining the estimation method and what it is not. It could optionally mention the return format (e.g., a numeric value), but the current completeness is sufficient for a simple estimation tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema covers both parameters with descriptions (wallet regex, period enum/default). Schema coverage is 100%, so baseline is 3. The description mentions period options and APR proxy, providing slight context about calculation basis but does not significantly enhance understanding beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool estimates staking rewards over specified periods using current APR as a proxy. It explicitly distinguishes itself as an estimate, not an on-chain query, which clarifies its scope and differentiates it from tools like get_staking_positions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains when to use the tool (for estimating rewards based on APR) and what it is not (on-chain query). However, it does not address when to avoid it in favor of siblings like estimate_staking_yield or get_staking_positions, leaving some ambiguity about tool selection.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_swap_quoteA
Read-onlyIdempotent

Get a LiFi aggregator quote for a token swap (same-chain) or bridge (cross-chain). Returns expected output, fees, execution time, and the underlying tool selected. Default is exact-in (amount = fromToken); set amountSide: "to" for exact-out quotes (amount = target toToken output). Source chain is always EVM. Destination can be any EVM chain, Solana, or TRON — pass toChain: "solana" / toChain: "tron" + an explicit toAddress (Solana base58 / TRON T-prefixed base58); the bridge protocol delivers tokens on the destination chain after the EVM source tx confirms (typically 1-15 min). Exact-out is not supported for cross-chain bridges to Solana or TRON. For Solana-source swaps and bridges (the reverse direction) use prepare_solana_lifi_swap. TRON-source LiFi is not yet wired. PROTOCOL ROUTING (issue #411): without exchanges / bridges, LiFi picks the best-output route across all aggregators (Sushi, Uniswap, 1inch, Paraswap, etc.). When the user names a specific DEX ("swap on 1inch"), pass exchanges: ["1inch"] so LiFi only routes via that DEX — without the filter, the prepare receipt would silently use a different protocol. The response's routedVia.tool is the actually-resolved route; surface it to the user before they sign. No transaction is built by this tool.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
fromChainYes
toChainYes
fromTokenYes
toTokenYes
toAddressNoDestination wallet. OMIT for same-chain-type swaps (defaults to the source wallet — LiFi behavior). REQUIRED when `toChain` is `"solana"` or `"tron"` because the source EVM hex wallet isn't a valid recipient on those chains. Format must match the destination chain (Solana base58 for `"solana"`, TRON base58 with T-prefix for `"tron"`, EVM hex otherwise).
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "1.5" for 1.5 USDC, "0.01" for 0.01 ETH. Interpreted as fromToken input by default; set `amountSide: "to"` to interpret as the toToken output amount (exact-out). The tool resolves decimals on-chain and converts internally.
amountSideNoWhich side of the swap `amount` refers to. "from" (default) = exact-in: you spend exactly `amount` of fromToken and receive a variable output. "to" = exact-out: you receive exactly `amount` of toToken and the input is sized to hit that target. Exact-out uses LiFi's toAmount quote and skips the 1inch comparison (1inch has no exact-out endpoint).
fromTokenDecimalsNoOptional decimals hint for fromToken if on-chain lookup fails (rare). Native is 18.
toTokenDecimalsNoOptional decimals hint for toToken if on-chain lookup fails (rare). Only used when `amountSide: "to"`. Native is 18.
slippageBpsNoSlippage tolerance in basis points (50 = 0.5%, 100 = 1%). Default ~50. Hard-capped at 500 (5%) — anything higher is almost always a sandwich-bait misconfiguration. If a legitimate thin-liquidity route genuinely needs >1%, also pass `acknowledgeHighSlippage: true`.
acknowledgeHighSlippageNoOpt-in flag required when slippageBps > 100 (1%). Forces the caller to state that an unusually-high slippage is intentional — the default rejects the tx to protect the user from MEV sandwich attacks.
exchangesNoRestrict LiFi routing to a specific set of DEX/exchange aggregators. Common values: "1inch", "sushiswap", "uniswap", "paraswap", "0x", "kyberswap", "odos", "openocean". When the user explicitly names a DEX ("swap on 1inch"), pass it here — without a filter, LiFi silently picks the best-output route regardless of what the user asked for. Multiple entries OR'd. If no route exists via the requested exchange(s) the call errors clearly; agent should offer to retry without the filter.
bridgesNoRestrict cross-chain routing to a specific set of bridge protocols. Common values: "across", "stargate", "hop", "cbridge", "amarok", "polygon", "arbitrum-bridge". Mirrors `exchanges` but for bridge selection. Only applies to cross-chain routes; ignored for intra-chain swaps.
excludeExchangesNoBlocklist version of `exchanges` — DEXes/aggregators LiFi must avoid. Use when the user says "not via 1inch" or "avoid Sushiswap". Independent of `exchanges`: pass both to constrain to allowlist minus blocklist. Pass-through to LiFi's `denyExchanges`.
excludeBridgesNoBlocklist version of `bridges` — bridge protocols LiFi must avoid on cross-chain routes. Pass-through to LiFi's `denyBridges`.
orderNoRoute ranking criterion. RECOMMENDED (default) — LiFi's mix of price + safety. CHEAPEST — pick the route with the highest output amount; use this for "best rate available" intent. FASTEST — minimize execution time (relevant for cross-chain bridges where settlement varies). SAFEST — prefer the most-vetted tool set. Pass-through to LiFi's `order`.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate readOnlyHint=true, destructiveHint=false, idempotentHint=true, openWorldHint=true. The description adds context that no transaction is built, quotes are returned, cross-chain settlement takes 1-15 minutes, and exact-out is not supported for certain chains. It also explains the protocol routing selection behavior and the need to surface routedVia.tool. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is verbose but well-structured with multiple paragraphs covering different aspects. Every sentence adds value, but it could be slightly more concise. However, given the complexity of the tool, the length is justified.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers all major aspects: purpose, usage guidelines, parameter details, behavioral nuances, output expectations (expected output, fees, execution time, tool selected), and cross-chain specifics. It even includes a note about protocol routing issue #411 and how to handle user requests for specific DEXes. No output schema exists, so the description sufficiently explains the return values.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is high (71%), but the description adds significant meaning beyond the schema: it explains exact-in/exact-out semantics, the behavior of exchanges and bridges parameters, the order parameter, and the required toAddress for cross-chain to Solana/TRON. It also clarifies that amount is human-readable, not raw units.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool gets a LiFi aggregator quote for token swaps or bridges, specifying it is for quotes only and not transaction building. It distinguishes from sibling tools like prepare_solana_lifi_swap by noting that tool is for Solana-source swaps, and from prepare_swap which builds transactions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides extensive guidance: exact-in vs exact-out, cross-chain behavior with destination chain details, protocol routing via exchanges/bridges, and when to use the tool vs alternatives. It explicitly states that for Solana-source swaps, use prepare_solana_lifi_swap, and for TRON-source, it's not yet wired.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_token_allowancesA
Read-onlyIdempotent

Enumerate every spender that currently holds a non-zero allowance over the wallet's balance of a specific ERC-20 token on a single EVM chain. Pulls Approval events from Etherscan's logs API filtered to the wallet as owner, dedups by spender (keeping the latest event per spender for provenance), then re-reads the LIVE allowance(owner, spender) for each via Multicall3 and drops anyone whose live value is 0 (revoked or fully consumed). Returns rows sorted by allowance descending, each carrying spender, optional spenderLabel (Aave V3 Pool / Uniswap V3 SwapRouter02 / Lido stETH / etc. resolved against the canonical CONTRACTS table), currentAllowance (raw bigint string), currentAllowanceFormatted (decimal-adjusted, or the literal string "unlimited"), isUnlimited (≥MAX_UINT256 − 0.01% — covers wallets that cap below MAX), and the lastApprovedBlock / lastApprovedTxHash / lastApprovedAt provenance. Top-level unlimitedCount and notes[] flag exposure ("the spender(s) can move your entire balance, including future top-ups; revoke via approve(spender, 0)"). Use this for security audits ("do I have any unrevoked unlimited approvals?"), pre-tx checks ("do I already have allowance for X?"), and revoke-cleanup workflows. v1 EVM-only (Ethereum / Arbitrum / Polygon / Base / Optimism). TRON deferred (different indexer surface); Solana intentionally out of scope (SPL delegation is per-account, not per-mint-per-owner — different question shape). Read-only; no signing, no broadcast.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesEVM wallet address whose approvals you want to enumerate. The tool scans Approval events emitted by `token` where this wallet is the indexed `owner`, then re-reads the LIVE allowance for each spender.
tokenYesERC-20 contract address. Must be the actual token contract, not a wrapper or aToken. Native coins (ETH / MATIC) have no allowance concept and are intentionally not supported here.
chainNoWhich EVM chain to scan. Defaults to Ethereum. The same wallet may have different approvals on different chains — you'll need one call per chain to enumerate all of them.ethereum

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description details the entire process: pulling Approval events, deduplication, live re-read via Multicall3, dropping zero allowances, and sorting. It also states read-only nature, no signing/broadcast, and EVM-only restrictions. This goes well beyond the annotations (readOnlyHint, destructiveHint, idempotentHint) and adds rich behavioral context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is quite detailed but every sentence adds value. It is front-loaded with the core purpose and logically flows through process, usage, and scope. A slight reduction from 5 due to length; however, it remains well-organized and avoids redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the absence of an output schema, the description fully explains the return structure (fields like spenderLabel, currentAllowanceFormatted, unlimitedCount, notes). It also covers edge cases (unlimited detection) and limitations (TRON, Solana). For a moderately complex tool with 3 parameters, this is exceptionally complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, but the description adds critical nuance: for 'wallet' it specifies the role as indexed owner, for 'token' it excludes wrappers and native coins, and for 'chain' it notes default and per-chain differences. Additionally, it describes the response fields (spender, allowance details, provenance), which are not in the input schema, greatly enhancing understanding.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool enumerates spenders with non-zero allowance for a specific token on a single EVM chain. It uses specific verbs ('Enumerate', 'Pulls', 're-reads') and explicitly contrasts with sibling tools by mentioning Solana and TRON scope limitations.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly says when to use it ('security audits, pre-tx checks, revoke-cleanup workflows') and when not to (native coins not supported, Solana out of scope). It also provides context on per-chain differences, guiding the agent to make one call per chain.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_token_balanceA
Read-onlyIdempotent

Fetch a wallet's balance of any ERC-20 token or the chain's native coin. Pass token: "native" for ETH (or chain-native asset) or an ERC-20 contract address. Returns amount, decimals, symbol, and USD value. For TRON, pass chain: "tron" with a base58 wallet (prefix T) and either token: "native" for TRX or a base58 TRC-20 address; returns a TronBalance (same fields, base58 token id). For Solana, pass chain: "solana" with a base58 wallet (43-44 chars) and either token: "native" for SOL or an SPL mint address; returns a SolanaBalance (same fields, base58 mint).

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
tokenYes
chainNoethereum

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true, openWorldHint=true, so the tool is safe to call repeatedly. The description adds behavioral details about return fields (amount, decimals, symbol, USD value) and chain-specific balance types (TronBalance, SolanaBalance). This adds value beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is detailed but well-structured: general purpose first sentence, then chain-specific instructions. It is front-loaded and logically organized. Could be slightly more concise, but the information density justifies the length.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers all chains in the enum (ethereum, tron, solana) with specific wallet/token formats. Since there is no output schema, it explains return fields (amount, decimals, symbol, USD value) and balance types. For a multi-chain balance tool, this is comprehensive and leaves no major gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 0% parameter descriptions. The description fully compensates by explaining each parameter: wallet (address format hinted), token ('native' or contract address), chain (optional, default ethereum). It provides concrete examples (e.g., 'Pass `token: "native"` for ETH') and chain-specific formats, making the meaning clear.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool fetches a wallet's balance for any ERC-20 token or native coin, and distinguishes between Ethereum, TRON, and Solana chains with specific instructions. It provides a specific verb ('Fetch') and resource ('wallet's balance'), making purpose unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit usage context for different chains (e.g., 'For TRON, pass chain: "tron"' and gives wallet/token format details). It implies when to use this over other tools (e.g., for balance queries), but does not explicitly state when not to use or list alternatives. Given the many sibling tools, this is a minor gap.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_token_metadataA
Read-onlyIdempotent

Fetch on-chain ERC-20 metadata (symbol, name, decimals) for any token address on an EVM chain — no wallet or balance required. Also detects EIP-1967 transparent proxies and returns the current implementation address when present. Prefer this over running raw simulate_transaction calls against symbol()/name()/decimals() selectors.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressYes
chainNoethereum

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate read-only, non-destructive, idempotent behavior. The description adds value by disclosing proxy detection and implementation address return, which is beyond what annotations provide. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences that front-load the core purpose and key features, with no extraneous information. Every sentence is valuable.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple 2-parameter tool with no output schema, the description covers what the tool does, what it returns (metadata plus implementation address), and how to use it. No additional context is needed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has 0% description coverage, but the description implies address is a token address and chain is an EVM chain with defaults. However, it does not explicitly describe each parameter's meaning or constraints beyond what the schema provides. Adequate but not detailed.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it fetches ERC-20 metadata (symbol, name, decimals) for any token address on an EVM chain, and also detects proxies. This distinctly differentiates it from sibling tools that focus on balances, portfolios, or specific protocols.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly recommends using this tool over raw simulate_transaction calls for token metadata, and notes that no wallet or balance is required. This provides clear guidance on when to use it vs. alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_token_priceA
Read-onlyIdempotent

Fetch the USD price of a token via DefiLlama. Pass token: "native" for the chain's native asset (ETH on ethereum/arbitrum, MATIC on polygon) or an ERC-20 contract address. Prefer this over get_swap_quote for pure price lookups — no wallet or liquidity simulation needed. EVM-only — for non-EVM natives (BTC, LTC, SOL, XMR, etc.) or any well-known coin without an EVM contract address, use get_coin_price instead. SCOPE: returns the current spot USD price — a snapshot, not a forecast. It is NOT a buy/sell signal, price prediction, target, or token-pick endorsement. AGENT BEHAVIOR: this tool surfaces data; it does NOT pick. Current price says nothing about future direction. Do NOT use the price to ground "what coin will 100x", "should I buy X", "best memecoin", or any other speculative-pick answer; refuse those prompts even when this tool was called. Issue #599.

ParametersJSON Schema
NameRequiredDescriptionDefault
chainYes
tokenYes

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations provide readOnlyHint, idempotentHint, openWorldHint. Description adds that it's a snapshot, EVM-only, and includes agent behavior constraints (not a pick tool). No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured and informative, but includes a minor reference to 'Issue #599' that adds little value. Otherwise clear and efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers input, alternatives, and scope well. Lacks explicit output format (e.g., number or object), but states it returns current spot USD price. Sufficient for a simple tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 0% schema coverage, description explains 'native' vs contract address for token parameter and lists supported chains in schema. Adds examples for native assets per chain.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it fetches USD price via DefiLlama, specifies token as 'native' or ERC-20 address, and distinguishes from siblings (get_swap_quote for swaps, get_coin_price for non-EVM natives).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says when to prefer this tool over get_swap_quote and when to use get_coin_price for non-EVM natives. Also clarifies scope: current spot price, not a forecast or signal.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_transaction_historyA
Read-onlyIdempotent

Fetch a wallet's recent on-chain transaction history on a single chain, merged across external (user-initiated) txs, ERC-20/TRC-20 token transfers, and internal (contract-initiated) txs. Results are sorted newest-first, capped at limit (default 25, max 50), and annotated with decoded method names (via 4byte.directory) and historical USD values at the time of each tx (via DefiLlama). Supports Ethereum/Arbitrum/Polygon/Base/Optimism via Etherscan, TRON via TronGrid, and Solana via the configured Solana RPC. On Solana, results include a fourth item type program_interaction for DeFi calls (Jupiter swaps, Marinade/Jito liquid staking, Raydium/Orca swaps, native validator staking, or any unknown program) with balance-delta summaries showing net SOL + SPL changes for the wallet across the tx — more useful than raw instruction data for 'what happened to my wallet?'. includeInternal has no meaning for TRON (silently ignored) or Solana (doesn't have an 'internal' concept — CPI effects are captured inside program_interaction deltas). Use this to answer 'what did I do last week?', 'show me my recent swaps', or 'did I already approve X?' without the user pasting tx hashes. Read-only — no signing, no broadcast. Items may carry an optional suspectedPoisoning field flagging address-poisoning heuristics: zero_amount_transfer (USDC transferFrom 0-amount exploit, chain-agnostic), vanity_suffix_lookalike (dust tx whose counterparty mimics another counterparty's first-4 + last-4 hex chars; mimics field names the matched address), and self_suffix_lookalike (counterparty mimics the wallet itself). EVM-only for the suffix rules. AGENT BEHAVIOR: this field is for you, NOT for the user. Do NOT include flagged entries in the user-facing summary — they're noise that crowds out real activity (a single poisoned wallet can have dozens of dust-lookalike entries pinned at the top by recency). Filter them out silently; if the user asks 'is that everything?' or you want to be transparent about the filter, mention briefly like 'hid N suspected-poisoning entries (use the raw response if you want to inspect them)'. Surface a flagged entry only when the user explicitly asks about a specific tx hash that happens to match, or about address-poisoning attempts on this wallet. The point of the flag is to keep poisoning data accessible to your reasoning (e.g. when validating a future prepare_* recipient against the wallet's history) WITHOUT polluting chat with scam noise.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
limitNo
includeExternalNo
includeTokenTransfersNo
includeInternalNo
startTimestampNo
endTimestampNo

TDQS

A4.1/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate readOnlyHint=true and idempotentHint=true, and the description adds 'Read-only — no signing, no broadcast.' It also details suspectedPoisoning field, agent behavior instructions, and chain-specific parameter handling, going far beyond what annotations provide.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is overly verbose (multiple paragraphs) with redundant phrasing and embedded agent behavior instructions that could be separated. It front-loads purpose but includes unnecessary detail, reducing conciseness.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given 0% schema coverage and no output schema, the description covers chain support, merged data types, poisoning detection, and agent behavior. However, parameter semantics are incomplete, and output structure is not described, leaving some gaps for an AI agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 0%, and the description only partially compensates: it explains limit (default 25, max 50), includeInternal implications, and chain enum via backend providers. But wallet, includeExternal, includeTokenTransfers, startTimestamp, and endTimestamp are not explained beyond the schema patterns.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it fetches a wallet's recent on-chain transaction history merged across external, token transfers, and internal txs on a single chain. It specifies chains and features, differentiating it from sibling tools by its merged nature and comprehensive scope.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says 'Use this to answer what did I do last week? etc.' and mentions chain-specific behavior (includeInternal ignored on TRON/Solana). However, it does not explicitly state when not to use it or provide alternatives to sibling tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_transaction_statusA
Read-onlyIdempotent

Poll a transaction's status via the chain's RPC (EVM / Solana) or TronGrid (TRON). Returns pending / success / failed, plus 'dropped' on Solana when the tx is mathematically unable to land. Pass chain='tron' with the bare hex txID for TRON; chain='solana' with the base58 signature for Solana. For Solana, ALSO pass whichever drop-detection field send_transaction returned: (a) durableNonce for nearly every send (native/SPL sends, nonce_close, jupiter_swap, all marginfi_* actions) — the tool reads the on-chain nonce account and reports 'dropped' if it rotated past the baked value; or (b) lastValidBlockHeight for legacy-blockhash txs (currently just nonce_init) — reports 'dropped' if current block height is past. Without either field the tool reports 'pending' forever for dropped txs.

ParametersJSON Schema
NameRequiredDescriptionDefault
chainYesEVM chain, 'tron', 'solana', or 'bitcoin'.
txHashYesTransaction identifier. EVM: 32-byte hex (0x-prefixed or bare). TRON: 32-byte bare hex. Solana: 64-byte signature as base58 (86–88 chars). Bitcoin: 32-byte bare hex. All four forms are accepted.
lastValidBlockHeightNoSolana only, legacy-blockhash txs (currently just `nonce_init`). Block-height ceiling for the tx's baked blockhash — returned by send_transaction for such txs. When supplied and `getSignatureStatuses` returns null, the poller compares against current block height and reports `dropped` if the window has passed. Omit for EVM / TRON; ignored on those chains. For durable-nonce Solana txs (every send this server builds except nonce_init), use `durableNonce` instead — it's authoritative.
durableNonceNoSolana only, durable-nonce txs (native_send, spl_send, nonce_close, jupiter_swap, all marginfi_* actions). Returned by send_transaction on these flows. When supplied and `getSignatureStatuses` returns null, the poller reads the on-chain nonce account: if the nonce rotated past `nonceValue` (or the account was closed), the tx can never land and is reported as `dropped` with diagnostic fields `nonceAccount` / `bakedNonce` / `currentNonce`. Without this field the poller reports `pending` forever for dropped durable-nonce txs — a known Phase 2 UX gap.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations (readOnlyHint, idempotentHint, destructiveHint false) already convey safety. The description adds substantial behavioral details: the dropped detection logic on Solana via durableNonce/lastValidBlockHeight, the diagnostic fields returned, and the risk of pending forever without proper fields. However, it does not explicitly mention network error handling or timeouts.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single dense paragraph that packs a lot of information, but it would benefit from breaking into subsections per chain or usage pattern. It is not overly long, but the structure could be improved for easier parsing by an AI agent.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Without an output schema, the description adequately covers return values (pending, success, failed, dropped) and special cases (e.g., Solana dropped detection). It does not detail error conditions like network failures or timeouts, but the core behavior is well-explained.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with descriptive parameter descriptions. The description goes further by explaining the roles of durableNonce and lastValidBlockHeight in drop detection, how they are obtained from send_transaction, and the consequences of missing them. This adds meaningful context beyond what the schema provides.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool polls transaction status across multiple chains (EVM, Solana, Tron, Bitcoin) and specifies the exact return states (pending/success/failed/dropped). It distinguishes itself from siblings like send_transaction and explain_tx by focusing on post-send polling.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly explains when to use the tool (after sending a transaction) and, for Solana, provides critical guidance on passing the correct drop-detection field (durableNonce or lastValidBlockHeight) to avoid pending forever. It also notes that omitting these fields leads to a known UX gap, effectively telling the agent when not to rely on results.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_tron_stakingA
Read-onlyIdempotent

Read TRON staking state for a base58 address: claimable voting rewards (WithdrawBalance-ready), frozen TRX under Stake 2.0 (bandwidth + energy), pending unfreezes with unlock timestamps, the live account-resource meter (resources) showing immediately-consumable bandwidth units (free + staked pools), energy units, and voting-power units, AND the per-SR vote allocation (votes[] — same shape as list_tron_witnesses(addr).userVotes, issue #271). The resource meter is what tx execution actually charges against — frozen TRX only determines the daily limit. The votes[] baseline is what callers building prepare_tron_vote rebalances need: VoteWitness REPLACES the entire allocation, so consolidating onto an existing SR or rebalancing freshly-unlocked TRON Power requires the current breakdown — this field provides it without forcing a chained list_tron_witnesses call. Read-only; pair with prepare_tron_claim_rewards to withdraw rewards or prepare_tron_vote to allocate voting power.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressYesBase58 TRON mainnet address (prefix T) — the wallet to read staking state for.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true. The description reinforces read-only nature and adds behavioral details: the resource meter vs frozen TRX distinction, the shape of votes[], and that it avoids side effects. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is detailed and structured with parentheses and code references, but every sentence serves a purpose. It could be slightly trimmed, but the front-loaded enumeration of returned fields is effective. No wasted words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description fully specifies all return components (rewards, frozen TRX, unfreeze timestamps, resource meter, votes) and their semantics. It also explains the relationship to other tools (prepare_tron_claim_rewards, prepare_tron_vote, list_tron_witnesses) and a known issue (#271). Complete guidance for a read-only query.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The single parameter 'address' is fully described in the input schema (pattern, example, purpose). The description uses the address in context but does not add new semantic constraints beyond the schema. With 100% schema coverage, baseline is 3; no extra value added.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states 'Read TRON staking state' and enumerates all returned data components (rewards, frozen TRX, pending unfreezes, resource meter, votes). It clearly distinguishes from sibling tools like prepare_tron_claim_rewards and prepare_tron_vote by positioning itself as the read-only precursor.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains when to use this tool: to obtain current staking state before claiming rewards (prepare_tron_claim_rewards) or rebalancing votes (prepare_tron_vote). It explicitly contrasts with list_tron_witnesses, noting that votes[] here avoids a chained call. Provides both positive and negative usage guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_tx_verificationA
Read-onlyIdempotent

Re-emit the prepared-tx JSON and VERIFY-BEFORE-SIGNING block for a known handle. Use this when the original prepare_* tool output has dropped out of your context (compaction, long sessions). The response shape and verification block match the original prepare_* call exactly. NEVER recover a verification block by reading tool-result files from disk — call this tool instead. Handles live in-memory for 15 minutes after issue.

ParametersJSON Schema
NameRequiredDescriptionDefault
handleYesOpaque handle returned by any prepare_* tool. Use this when the original prepare_* response (and its VERIFY-BEFORE-SIGNING block) has been dropped from your context — the server re-emits the exact same JSON + verification block from in-memory state. Read the response from this tool directly; never recover verification data by reading tool-result files from disk.

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already provided readOnlyHint and idempotentHint. The description adds behavioral context: the handle's 15-minute in-memory lifetime and that the response matches the original prepare_* call exactly, which annotations do not cover.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is three concise sentences: purpose, usage guidance, and behavioral note. No wasted words, and the critical information is front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple retrieval tool with one parameter and no output schema, the description covers purpose, usage context, constraints, and behavior. It does not detail output shape but states it matches original prepare_* call, which is sufficient.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the parameter description is detailed, adding value beyond the schema. The description also adds the 15-minute lifetime context, enhancing understanding of handle usage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool re-emits the prepared-tx JSON and VERIFY-BEFORE-SIGNING block for a known handle, distinguishing it from sibling prepare_* tools that create these entities. It specifies the exact resource and action.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly advises when to use (when original prepare_* output drops from context) and when not to (NEVER recover from disk), providing an alternative (call this tool instead). Also mentions the 15-minute in-memory lifetime.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_update_commandA
Read-onlyIdempotent

READ-ONLY — return the recommended upgrade flow for the running install path. Combines (1) process.argv/process.execPath heuristics that classify the install as one of npm-global / npx / bundled-binary / from-source / unknown with (2) cached state from the once-per-session npm-registry version check the server already runs lazily on first tool call. Returns: current (server version), latest (most recent npm registry response, or null if the lazy check hasn't resolved yet), updateAvailable (strict-newer comparator), installPath (detected kind), command (the one-liner to run), restartHint (post-upgrade restart note), and an optional note field that flags caveats (unknown install path → defer to INSTALL.md; unresolved version check → can re-run). AGENT BEHAVIOR: call this when the user asks to upgrade, when the VAULTPILOT NOTICE — Update available block appears and the user wants to act on it, or when the user asks 'how do I update vaultpilot-mcp'. Surface command to the user verbatim — do not execute it autonomously. The detection is a heuristic; if installPath is unknown, ask the user which install path they used. Pure local introspection + cache read; no RPC, no fresh network call (the kickoff already did that). Never throws.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations provide readOnlyHint=true, destructiveHint=false, idempotentHint=true, openWorldHint=true. The description reinforces these with 'READ-ONLY', 'Pure local introspection + cache read; no RPC, no fresh network call', and 'Never throws'. It also explains the heuristic nature, caching behavior, and potential caveats, adding significant context beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is longer than minimal but well-structured: it starts with purpose, then lists return fields using backticks, and ends with agent behavior. Every sentence adds necessary context. Could be slightly more concise, but it remains clear and scannable.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, the description completely covers return values, their meanings, and how they are derived (heuristics + cache). It also includes agent behavior, edge cases (unknown installPath, unresolved version check), and operational constraints (no network call). This makes the tool fully understandable without needing external documentation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has zero parameters with 100% coverage, so baseline is 3. However, the description adds substantial value by detailing the output fields (current, latest, updateAvailable, installPath, command, restartHint, note) and their semantics, which compensates for the lack of parameter explanations.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description starts with 'READ-ONLY — return the recommended upgrade flow for the running install path', which is a specific verb-resource pair. It then explains exactly what the tool does: combines heuristics and cached state to return upgrade command, and distinguishes itself by clarifying it's a pure local read with no network call.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly states when to call the tool: 'when the user asks to upgrade, when the VAULTPILOT NOTICE — Update available block appears and the user wants to act on it, or when the user asks how do I update vaultpilot-mcp'. It also provides agent behavior instructions: 'Surface command to the user verbatim — do not execute it autonomously' and what to do if installPath is unknown.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_vaultpilot_config_statusA
Read-onlyIdempotent

READ-ONLY — report what the server knows about its local config without revealing any secret values. Returns the config-file path + existence, server version, per-chain RPC URL source classification (env-var / provider-key / custom-url / public-fallback), API-key presence + source per service (Etherscan, 1inch, Safe, TronGrid, WalletConnect — boolean + source enum, never values), counts of paired Ledger accounts (Solana / TRON), the WC session-topic SUFFIX (last 8 chars only — same convention as get_ledger_status), the agent-side preflight-skill install state, a setupHints array (each entry has a kind discriminator: rate-limit nudges surface when a no-key default RPC has been throttled past threshold and tell the user which provider to sign up for + the wizard subcommand; demo-mode nudges fire on a fresh-install state — no keys, no pairings, no custom RPC — suggesting VAULTPILOT_DEMO=true as the zero-friction first-time path per issue #371), AND a demoMode field that surfaces whether VAULTPILOT_DEMO=true is active plus the activation recipe. Pure local I/O — reads ~/.vaultpilot-mcp/config.json + process.env, no RPC calls, no network. Use this when the user asks 'is my config set up correctly' or 'why is my Solana balance read failing' before suggesting they re-run setup or paste keys. AGENT BEHAVIOR for setupHints: when the array is non-empty, surface each entry's message + recommendation to the user as actionable advice (rate-limit hints also carry providers + setupCommand; demo-mode hints carry just message + recommendation, with the env-var recipe inline in recommendation). Unlike suspectedPoisoning (which is noise), setupHints are real remediation paths the user wants to act on. AGENT BEHAVIOR for demoMode: if the user asks 'how do I try this without a Ledger / API keys' or 'is there a demo mode', read demoMode.howToEnable and relay it verbatim. The same field also carries liveMode: { active, personaId, addresses } reflecting whether set_demo_wallet has been called this session — when liveMode.active is true, signing-class tools have been re-enabled in simulation-only mode (broadcast intercepted with a structured envelope). When the user wants the write-flow walkthrough, call get_demo_wallet to surface the persona list, then set_demo_wallet({ persona: "..." }) to upgrade.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, establishing it as safe and idempotent. The description adds significant value by detailing what files are read (~/.vaultpilot-mcp/config.json + env vars), that no RPC calls are made, and how agents should handle the setupHints and demoMode fields. This goes well beyond the annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is verbose but well-structured with clear sections (AGENT BEHAVIOR for setupHints, AGENT BEHAVIOR for demoMode). It front-loads the core purpose but includes many details that are necessary for agent guidance. Could be slightly more concise, but every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (no output schema, multiple return fields), the description is remarkably complete. It explains what fields are returned, how to interpret setupHints and demoMode, and even provides agent behavior instructions. The annotations (readOnlyHint, idempotentHint) further enhance completeness. No gaps remain.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has zero parameters, so the baseline is 4 per the guidelines. The description does not need to add parameter meaning but compensates by thoroughly describing the output structure, which aids in understanding the tool's use.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it is a read-only tool that reports the server's local config status without revealing secrets. It specifies the exact fields returned (config path, server version, RPC source classification, API key presence, Ledger account counts, WC session-topic suffix, preflight skill state, setupHints, demoMode). This is a specific verb-resource combination that distinguishes it from sibling tools like get_ledger_status and get_demo_wallet, which focus on different aspects.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit usage scenarios: 'Use this when the user asks 'is my config set up correctly' or 'why is my Solana balance read failing' before suggesting they re-run setup or paste keys.' It also explains the tool's scope (pure local I/O, no network calls). However, it does not explicitly state when not to use it or compare to alternatives, missing some depth.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_verification_artifactA
Read-onlyIdempotent

Return a sparse verification artifact for a prepared tx — raw calldata (or TRON rawDataHex), chain, to/value, payloadHash, preSignHash if preview_send has pinned gas, plus a static prompt instructing a second LLM on how to decode the bytes from scratch. Intended for adversarial independent verification: the user copies this artifact into a second LLM session (different provider recommended) so the second agent produces an independent decode with no shared context from the current conversation. If the two decodes disagree — or if the preSignHash doesn't match what Ledger displays at sign time — the user rejects. Does NOT call any external API; read-only in-memory lookup. Output deliberately omits the server's humanDecode, swiss-knife URL, and 4byte cross-check so the second agent cannot echo them. Handles live in-memory for 15 minutes after issue.

ParametersJSON Schema
NameRequiredDescriptionDefault
handleYesOpaque handle returned by any prepare_* tool. Returns a sparse, copy-paste-friendly JSON artifact carrying the raw calldata (or TRON rawDataHex), chain, recipient, value, payloadHash, and — when preview_send has already pinned gas — the Ledger blind-sign preSignHash. A static prompt telling a second LLM how to independently decode the bytes is included. The artifact intentionally omits the server's humanDecode, swiss-knife URL, and 4byte cross-check so the second agent cannot parrot them.

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Despite annotations already setting readOnlyHint and idempotentHint, the description adds context: it's an in-memory lookup with a 15-minute lifetime, deliberately omits certain outputs to prevent echo, and is read-only. This goes beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single paragraph but is informative and front-loaded with the main purpose. It could benefit from better structure (e.g., bullet points) but is not overly verbose for the complexity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity, annotations, and no output schema, the description fully covers what is included, omitted, the intended use case, lifespan, and error checks. It provides sufficient context for correct agent invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The single parameter 'handle' is described in the input schema as 'Opaque handle returned by any prepare_* tool.' This adds meaning, but the overall description doesn't provide additional detail about the parameter beyond what the schema already states. Since schema coverage is 100%, baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description specifies the tool returns a sparse verification artifact for a prepared tx, listing exact contents like raw calldata, chain, to/value, payloadHash, and preSignHash. It clearly differentiates from sibling tools by emphasizing adversarial independent verification.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains when to use it: after any prepare_* tool for adversarial independent verification, with a second LLM session. It also states when not to rely on it (disagreement or preSignHash mismatch) and that it's read-only with no external API calls.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

import_readonly_tokenA
Idempotent

Decode a vp1.… read-only share token (generated by someone else's generate_readonly_link) into the embedded wallet bundle. Accepts either the raw token or an http(s) URL containing a ?t=vp1.… / #t=vp1.… parameter. Returns { wallets, scope, name, issuedAt, expiresAt, id } — the recipient agent then passes those wallet addresses to standard portfolio reads (get_portfolio_summary, get_lending_positions, get_token_allowances, get_transaction_history, etc.) using the recipient's own configured RPCs. Refuses expired tokens with a clear error pointing the user back at the issuer. v1 stores nothing recipient-side — the agent juggles addresses in conversation; persistent recipient-side state is deferred. Read-only — no signing, no broadcast.

ParametersJSON Schema
NameRequiredDescriptionDefault
tokenYes

TDQS

A4.1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description claims the tool is 'Read-only — no signing, no broadcast,' but annotations set `readOnlyHint: false`, indicating it may modify state. This is a direct contradiction, so transparency scores 1 as per rules.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single paragraph of 6 sentences, but each sentence adds value. It is front-loaded with the main action. Could be slightly more concise, but overall efficient and well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description details the return fields (`wallets, scope, name, issuedAt, expiresAt, id`), explains the intended usage pattern, error behavior, and storage characteristics. This is complete for a decoding tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema only specifies a string parameter without description. The description adds crucial semantic information: the token can be a raw `vp1.…` string or a URL with `?t=` or `#t=` parameter. This compensates for the 0% schema coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: decoding a `vp1.…` read-only share token into a wallet bundle. It specifies input formats (raw token or URL with parameter) and output structure. It distinguishes from siblings like `generate_readonly_link` and subsequent `get_*` tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly advises when to use this tool (when a read-only token is received) and what to do after (use standard portfolio reads). It also covers error handling for expired tokens and notes that the tool is read-only and stores nothing. This provides clear usage guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

import_strategyA
Idempotent

Parse and validate a shared-strategy JSON produced by share_strategy (someone else's, or one the user generated earlier). Pass either the stringified form or the parsed object via json. Returns the validated SharedStrategy for read-only inspection — protocol allocations, per-position percentages, optional health-factor / fee-tier / APR metadata. The same redaction scan that runs on emit also runs on import — addresses or tx hashes anywhere in the imported JSON cause a RedactionError, so a malicious sender cannot smuggle a wallet identifier through fields the recipient might not eyeball. Strict shape validation: unknown fields tolerated (forward-compat for v2 schema additions) but required fields must be present and well-typed. Read-only — no on-chain side effect, no signing.

ParametersJSON Schema
NameRequiredDescriptionDefault
jsonYesThe strategy JSON. Pass either the stringified form (what `share_strategy` returns in `jsonString`) or the parsed object (what it returns in `strategy`). The same redaction scan that runs on emit also runs on import — addresses or tx hashes anywhere in the imported JSON cause a structured RedactionError.

TDQS

A3.9/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description states 'Read-only — no on-chain side effect, no signing', but annotations have readOnlyHint=false, which contradicts this. Per guidelines, a contradiction scores 1. Additional behavioral info like redaction scan and validation rules is useful but undermined by the contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is detailed but well-structured, with the main purpose upfront followed by specifics on usage, validation behavior, and safety. Every sentence adds information, and it avoids unnecessary repetition. It is appropriately sized for the tool's complexity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite lacking an output schema, the description fully explains the return value ('validated SharedStrategy for read-only inspection') and covers key aspects: input types, redaction scanning, strict shape validation with forward-compatibility, and the read-only nature. This provides sufficient context for an AI agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With schema coverage at 100%, the baseline is 3. The description adds value by explaining how to pass the JSON (stringified or parsed object) and referencing the output of share_strategy. This goes beyond the schema's description, justifying a 4.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Parse and validate a shared-strategy JSON produced by share_strategy'. It specifies the resource (shared-strategy JSON), the action (parse and validate), and distinguishes it from the sibling tool 'share_strategy' which presumably exports the JSON.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains when to use this tool: when you have a shared-strategy JSON to validate and inspect. It clarifies that it works for both someone else's strategy or one the user generated earlier, and mentions return for read-only inspection. However, it does not explicitly state when not to use it or mention alternatives beyond share_strategy.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

list_contactsA
Read-onlyIdempotent

Return the joined per-label view across chains. Each row contains the label, addresses keyed by chain, optional notes / tags, the earliest addedAt across the joined entries, and an optional unsigned: true flag (issue #428) when at least one chain entry is unsigned (in-memory only). Strict-fail on tamper (signed disk blobs): any signature failure / anchor mismatch / version rollback throws immediately (CONTACTS_TAMPERED / CONTACTS_ANCHOR_MISMATCH / CONTACTS_VERSION_ROLLBACK) rather than silently dropping rows — agents must surface the failure to the user. Unsigned in-memory entries are merged on top of the verified signed view; signed entries always win on a per-(label, chain) basis. In demo mode, the demo in-memory store is read directly (no signature path); all four chains supported, every row is unsigned: true.

ParametersJSON Schema
NameRequiredDescriptionDefault
chainNoIf specified, only verifies + returns entries for that chain. Otherwise returns the joined per-label view across all chains with at least one verified entry.
labelNoFilter to a specific label. Useful for 'show me what we know about Mom' single-record reads.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already mark the tool as read-only, non-destructive, idempotent, and open-world. The description adds critical behavioral details: strict-fail on tamper with specific error types, unsigned in-memory entry merging, demo mode override, and per-(label, chain) conflict resolution. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is front-loaded with the primary purpose, then adds important details about tamper handling, unsigned entries, and demo mode. While somewhat dense, each sentence provides value. Minor redundancy in discussing 'unsigned: true' flag, but overall efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description fully explains the return format (fields like label, addresses, notes, addedAt, unsigned flag). It covers error conditions, edge cases (unsigned entries, demo mode), and parameter semantics. For a read tool with two optional parameters, this is comprehensively complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 100% schema coverage, the description adds meaning beyond the schema: it explains that omitting 'chain' returns all chains, and using 'label' performs a single-record lookup. This clarifies the default behavior and use case for each parameter.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states that the tool returns a 'joined per-label view across chains' with specific fields (label, addresses, notes, addedAt, unsigned flag). This differentiates it from sibling tools like 'verify_contacts' (which only verifies) and 'add_contact' (which modifies). The verb 'Return' and the resource 'per-label view' make the purpose specific and unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains when to use the optional 'chain' and 'label' parameters: filter by chain or single record search. It also mentions the strict-fail behavior on tamper, guiding agents to surface errors. However, it does not explicitly state when not to use this tool or provide alternatives, though the sibling list implies other contact tools exist.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

list_readonly_invitesA
Read-onlyIdempotent

List the read-only share tokens the user has generated. By default returns only ACTIVE invites (not revoked, not expired); pass includeInactive: true to see history. Each entry returns { id, name, scope, issuedAt, expiresAt, revokedAt, expired, active, walletCounts, totalAddresses } — note the addresses themselves are NOT re-surfaced here, only counts per chain (the raw token isn't stored either, only its sha256 hash). Pair with revoke_readonly_invite({ name }) to invalidate an invite. Read-only.

ParametersJSON Schema
NameRequiredDescriptionDefault
includeInactiveNo

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate readOnlyHint and idempotentHint, but the description adds crucial details: the exact return structure, that addresses are not re-surfaced, and that only hashed tokens are stored. This goes well beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is three sentences, front-loaded with purpose, then parameter usage, then return details and pairing advice. Every sentence adds value with no redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description fully explains what each returned object contains and what is omitted (addresses not surfaced). It also covers usage context and related actions, making it complete for the tool's complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 1 boolean parameter with 0% description coverage, but the description fully explains its effect: 'pass includeInactive: true to see history'. This adds complete meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool lists read-only share tokens the user has generated, with a specific verb and resource that distinguishes it from sibling tools like generate_readonly_link, import_readonly_token, and revoke_readonly_invite.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It explains default behavior (active invites only) and optional parameter to see history, and suggests pairing with revoke_readonly_invite for invalidation. However, it does not explicitly state when not to use this tool, but the context is clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

list_solana_validatorsA
Read-onlyIdempotent

Read-only validator-ranking helper for prepare_native_stake_delegate. Pulls the stakewiz.com public feed (no API key required) and returns a filtered + sorted list of Solana validators with the columns most relevant to delegation: composite quality score (wizScore), commission, MEV (Jito) status + commission, total APY estimate (inflation + MEV), activated stake, delinquent flag, superminority penalty flag, skip rate, uptime, version, country, and a per-validator stakewiz.com profile URL the user can open in a browser to verify independently. Default filters: excludeDelinquent=true. Default sort: wizScore descending. Default limit: 25 (max 100). USE THIS BEFORE prepare_native_stake_delegate so the agent can surface a small ranked menu instead of forcing the user to leave for stakewiz / validators.app and paste back a vote pubkey. INVARIANT #14 NOTE: this is a HELPER — the MCP is NOT the source of truth. Before delegating, the user MUST (1) open the chosen validator's stakewizUrl in a browser to re-verify activated stake / commission / delinquent status against an authority outside the MCP enumeration, and (2) byte-equality-check the votePubkey in the prepare_native_stake_delegate response against the one confirmed in step 1. The response's notes[] field surfaces these instructions verbatim — pass them through to the user.

ParametersJSON Schema
NameRequiredDescriptionDefault
filtersNoOptional filters applied before sorting. Defaults: excludeDelinquent=true, excludeSuperminority=false, no commission/stake/MEV restriction.
sortByNoSort order. `score` (default) = stakewiz composite wiz_score descending (best quality first). `apy` = total APY descending (inflation + MEV). `stake` = activated stake descending (largest first). `commission` = commission ascending (lowest first).
limitNoMaximum number of validators to return after filtering + sorting. Defaults to 25; max 100.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true. The description reinforces this by emphasizing it is read-only, pulls a public feed, and includes important caveats like 'the MCP is NOT the source of truth' and verification steps. Adds significant behavioral context beyond annotations without contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is relatively long but well-structured: front-loaded with purpose, then details, then workflow instructions. Every sentence serves a purpose, covering core functionality, defaults, usage order, and verification steps. Could be slightly more concise, but overall effective.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (nested filters, sorting, workflow dependency), the description is remarkably complete. It explains return columns, defaults, sort options, usage order, and even includes invariant notes and instructions in the response. Without an output schema, the description adequately covers the return values and behavior.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with detailed descriptions for each parameter. The description adds context beyond schema by explaining default values (excludeDelinquent=true, excludeSuperminority=false) and clarifying sort behavior (e.g., `score` = wiz_score descending). This extra context justifies a score above baseline 3.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it is a 'Read-only validator-ranking helper for prepare_native_stake_delegate', specific verb ('list'), resource ('Solana validators'), and distinguishes from sibling tools by noting its role as a prerequisite. It uniquely explains its purpose in the workflow, which differentiates it from other tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use: 'USE THIS BEFORE prepare_native_stake_delegate'. Provides detailed workflow instructions including verification steps (open stakewizUrl, byte-equality-check votePubkey). Also explains the benefit (surfacing a ranked menu instead of forcing user to leave). This is exemplary usage guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

list_tron_witnessesA
Read-onlyIdempotent

List TRON Super Representatives (SRs) + SR candidates, ranked by total vote count. Active SRs (rank ≤ 27, isActive: true) produce blocks and distribute the 160 TRX/block voter-reward pool pro-rata to their voters; every witness in the top 127 shares the same APR estimate (pro-rata split of the pool); witnesses ranked > 127 get estVoterApr: 0. APR estimates assume current mainnet constants (3-second blocks, 27 active SRs, 365 days/year) and are best-effort — actual rewards depend on missed blocks and competing voters shifting between your vote tx and reward claim. When address is passed, also returns userVotes, totalTronPower, totalVotesCast, and availableVotes so you can diff against a target allocation before calling prepare_tron_vote. Defaults to top-27 only; pass includeCandidates: true for the long tail.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressNoOptional base58 TRON address. When provided, the response also includes the wallet's current vote allocation, total TRON Power (frozenV2 sum in whole TRX), and remaining available votes — diff these against your target allocation before building `prepare_tron_vote`.
includeCandidatesNoInclude SR candidates (rank > 27) alongside the active top 27. Candidates don't produce blocks so their voter APR is 0. Defaults to false.

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already provide readOnlyHint, destructiveHint, idempotentHint, and openWorldHint. The description adds valuable context: APR estimate assumptions, best-effort nature, and that candidates have 0% APR. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, well-structured paragraph with front-loaded purpose, efficient sentences, and no fluff. Every sentence adds information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description adequately covers the main output: ranked list of witnesses with APR info, and for address parameter, additional vote fields. It implicitly describes the structure but could explicitly mention the response is an array of witness objects.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with detailed parameter descriptions. The overall description reinforces the usage of the address parameter to retrieve vote allocation data for preparing votes, adding marginal value beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'List' and the resource 'TRON Super Representatives (SRs) + SR candidates', with explicit ranking by total vote count. It distinguishes from sibling tools like 'list_solana_validators' and mentions its relation to 'prepare_tron_vote' when the address parameter is used.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains when to use the address parameter (to diff vote allocation before voting) and the default behavior (top-27 only, with optional candidate inclusion). It also notes APR limitations, but does not explicitly state when not to use the tool or list alternatives beyond the implied prefatory role to voting.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

pair_ledger_btcA
Idempotent

Pair the host's directly-connected Ledger device for Bitcoin signing. REQUIREMENTS: Ledger plugged in over USB, device unlocked, the 'Bitcoin' app open on-screen. Ledger Live's WalletConnect relay does NOT expose bip122 accounts to dApps, so Bitcoin signing goes over USB HID via @ledgerhq/hw-app-btc (same USB path as Solana / TRON). ONE CALL ENUMERATES ALL FOUR ADDRESS TYPES for the requested accountIndex (default 0): legacy P2PKH (44'/0'/<n>'/0/01...), P2SH-wrapped segwit (49'/0'/<n>'/0/03...), native segwit P2WPKH (84'/0'/<n>'/0/0bc1q...), and taproot P2TR (86'/0'/<n>'/0/0bc1p...). All four are cached so get_ledger_status can report them under the bitcoin: [...] section. Call again with a different accountIndex to expose additional accounts. Read-only on the device — the Ledger BTC app does not prompt during getWalletPublicKey by default. Phase 1 is mainnet-only.

ParametersJSON Schema
NameRequiredDescriptionDefault
accountIndexNoLedger Bitcoin account slot. One call enumerates ALL FOUR address types for the given index (legacy at `44'/0'/<n>'/...`, p2sh-segwit at `49'/0'/<n>'/...`, native segwit at `84'/0'/<n>'/...`, taproot at `86'/0'/<n>'/...`) AND walks both the receive (`/0/i`) and change (`/1/i`) chains using BIP44 gap-limit scanning so a previously-used wallet's later-index funds aren't missed. 0 = first Bitcoin account, 1 = second, etc. Omit for the default (index 0). Call again with a different index to expose more accounts; calling with the same index refreshes the cache.
gapLimitNoBIP44 gap limit — stop walking each (type, chain) after this many consecutive addresses with zero on-chain history. Default 20 (matches Electrum / Sparrow / Trezor Suite / Ledger Live). Lower values speed the scan up but risk missing funds across larger gaps; raise it for wallets that may have skipped indices. Capped at 100.

TDQS

A4.4/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description adds significant behavioral details (enumerates four address types, caching, mainnet-only, gap-limit scanning) beyond annotations. However, there is a contradiction: annotations set readOnlyHint=false while description claims 'Read-only on the device,' which may mislead the agent about side effects. IdempotentHint=true is consistent.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is front-loaded with purpose and requirements, then details address types and caching. It is slightly long but every sentence adds value. Minor verbosity in listing sibling tools and phase info, but overall well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the two optional parameters and no output schema, the description fully explains what the tool does, how it works (address derivation, caching), and constraints (mainnet-only, device requirements). No gaps remain for an agent to understand its usage.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has 100% coverage with detailed descriptions for both parameters. The description further adds context by explaining that a single call enumerates all four address types and walks both chains, and that gap-limit scanning is used. This enriches the schema information.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool pairs a directly-connected Ledger device for Bitcoin signing, distinguishing it from sibling tools like pair_ledger_live (which uses WalletConnect) and pair_ledger_ltc (Litecoin). Verb+resource is specific and unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit requirements are provided (USB plugged, device unlocked, Bitcoin app open). It explains when not to use (Ledger Live WalletConnect relay doesn't expose bip122 accounts) and gives context on alternative pairing methods. Instructions for calling with different accountIndex are clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

pair_ledger_liveA
Idempotent

Initiate a WalletConnect v2 pairing session with Ledger Live. Returns a URI and ASCII QR code — paste into Ledger Live's WalletConnect screen to complete pairing. The session persists for future transactions. EVM chains only; for TRON use pair_ledger_tron instead.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses that the session persists for future transactions, adding context beyond annotations (idempotentHint, destructiveHint). No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three sentences, front-loaded with the core purpose. No unnecessary words. Every sentence adds value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple pairing tool with no parameters and no output schema, the description covers purpose, output, usage constraints, and persistence behavior. Fully sufficient.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has zero parameters with 100% coverage, so the description compensates by explaining the output (URI + QR code) and the purpose. No parameter documentation needed.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states the action (initiate a WalletConnect v2 pairing session), the target (Ledger Live), and the output (URI and ASCII QR code). Distinct from sibling tools like 'pair_ledger_tron'.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly specifies 'EVM chains only' and directs to a sibling tool for TRON ('use pair_ledger_tron instead'). Provides clear when-to-use and when-not-to-use guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

pair_ledger_ltcA
Idempotent

Pair the host's directly-connected Ledger device for Litecoin signing. REQUIREMENTS: Ledger plugged in over USB, device unlocked, the 'Litecoin' app open on-screen. Ledger Live's WalletConnect relay does not expose Litecoin accounts to dApps, so signing goes over USB HID via @ledgerhq/hw-app-btc (the same SDK as Bitcoin, with currency:'litecoin' selecting Litecoin-specific encoding). One call enumerates the four BIP-44 address types (legacy L…, p2sh-segwit M…, native segwit ltc1q…, taproot ltc1p…) for the given account index. BIP-44 coin_type 2. Per-type fault-tolerant: each address-type walk runs independently, so one type's failure (e.g. the Ledger Litecoin app currently rejects bech32m/taproot with 'Unsupported address format bech32m') does NOT abort the others — the failed type is recorded under skipped[] in the response and the remaining three are paired and persisted. Note: Litecoin Core has not activated Taproot on mainnet, so ltc1p… outputs would not be spendable anyway — taproot pairing is effectively forward-compat only. All paired entries surface under the litecoin: [...] section of get_ledger_status.

ParametersJSON Schema
NameRequiredDescriptionDefault
accountIndexNoLedger Litecoin account slot. One call enumerates ALL FOUR address types (legacy at `44'/2'/<n>'/...`, p2sh-segwit at `49'/2'/<n>'/...`, native segwit at `84'/2'/<n>'/...`, taproot at `86'/2'/<n>'/...`) AND walks both receive (`/0/i`) and change (`/1/i`) chains using BIP44 gap-limit scanning. 0 = first Litecoin account, 1 = second, etc.
gapLimitNoBIP44 gap limit — stop walking each (type, chain) after this many consecutive addresses with zero on-chain history. Default 20.

TDQS

A4.3/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses key behaviors beyond annotations: it explains fault tolerance for address-type failures, mentions that taproot pairing is forward-compat only due to Litecoin Core not activating Taproot, and notes the reliance on USB HID via a specific SDK. Annotations only provide idempotentHint, so the description adds substantial behavioral context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single coherent paragraph that front-loads the purpose and requirements, then adds technical details. It is informative without being overly verbose, though it could benefit from clearer sectioning. Overall, concise and well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers the main aspects: pairing process, requirements, error handling, and references the output location (get_ledger_status). Without an output schema, it provides enough context for an agent to understand the tool's behavior and side effects.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema already provides comprehensive descriptions for both parameters (accountIndex and gapLimit) with 100% coverage. The description adds marginal value, such as mentioning BIP-44 coin type 2 and gap-limit scanning, but these are already implied or stated in the schema. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: to pair a directly-connected Ledger device for Litecoin signing. It details the process of enumerating four BIP-44 address types and walking chains, which distinguishes it from sibling pairing tools for other blockchains.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly lists requirements (Ledger plugged in, unlocked, Litecoin app open) and explains the tool's behavior, including fault-tolerant per-type failure. It does not explicitly contrast with alternatives, but the requirements and blockchain specificity provide clear context for when to use this tool.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

pair_ledger_solanaA
Idempotent

Pair the host's directly-connected Ledger device for Solana signing. REQUIREMENTS: Ledger plugged into the machine running this MCP (USB, not WalletConnect), device unlocked, and the 'Solana' app open on-screen. Ledger Live's WalletConnect integration does NOT expose Solana accounts, so Solana signing goes over USB HID via @ledgerhq/hw-app-solana (same USB path as TRON). Reads the device address at m/44'/501'/<accountIndex>' (default accountIndex=0 — the first Solana account in Ledger Live) and caches it so get_ledger_status can report it under the solana: [...] section. Call multiple times with different accountIndex values to pair additional Solana accounts. Call this once per session (per account) before prepare_solana_* or send_transaction with a Solana handle. If the Solana app isn't open, the device is locked, or the derivation path doesn't match your Ledger Live setup, returns an actionable error.

ParametersJSON Schema
NameRequiredDescriptionDefault
accountIndexNoLedger Solana account slot (hardened BIP-44 account index at path `44'/501'/<n>'`). 0 = first Solana account in Ledger Live, 1 = second, etc. Omit to pair the default account (index 0). Call multiple times with different indices to expose multiple Solana accounts in `get_ledger_status.solana`.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds context beyond annotations: explains it reads device address at a derivation path and caches it, and that it's idempotent (multiple calls with same accountIndex re-cache). Annotations already indicate idempotentHint=true and non-destructive, so description reinforces and adds detail.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured with clear sections: purpose, requirements, technical details, usage, and error info. Slightly verbose but all sentences add value; no redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Completely covers prerequisites, usage pattern, error conditions, and cross-references related tools (get_ledger_status, prepare_solana_*, send_transaction). No output schema needed for such a simple tool; description is sufficient.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The only parameter, accountIndex, already has a thorough description in the schema (100% coverage). The description repeats the derivation path and default value, and adds context about multiple calls. It adds marginal value beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool pairs a Ledger device for Solana signing via USB HID. It specifies the derivation path and distinguishes from siblings like pair_ledger_tron by mentioning shared USB path and from WalletConnect alternatives by stating they don't work for Solana.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit requirements (Ledger plugged, unlocked, Solana app open) and usage pattern: call once per session per account before prepare_solana_* or send_transaction. Also explains calling multiple times for additional accounts and error handling when conditions fail.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

pair_ledger_tronA
Idempotent

Pair the host's directly-connected Ledger device for TRON signing. REQUIREMENTS: Ledger plugged into the machine running this MCP (USB, not WalletConnect), device unlocked, and the 'Tron' app open on-screen. Ledger Live's WalletConnect relay does not currently honor the tron: CAIP namespace, so TRON signing goes over USB HID via @ledgerhq/hw-app-trx. Reads the device address at m/44'/195'/'/0/0 (default accountIndex=0) and caches it so get_ledger_status can report it. Call multiple times with different accountIndex values (0, 1, 2, …) to pair additional TRON accounts — each call adds to the cache; subsequent calls for the same index refresh in place. Call this once per session (per account) before calling any prepare_tron_* tool or send_transaction with a TRON handle. If the TRON app isn't open, or the device is locked, returns an actionable error describing what to fix.

ParametersJSON Schema
NameRequiredDescriptionDefault
accountIndexNoLedger TRON account slot (hardened BIP-44 account index). 0 = first account, 1 = second, etc. — same convention Ledger Live uses. Omit to pair the default account (index 0). Call pair_ledger_tron multiple times with different indices to expose multiple TRON accounts in get_ledger_status.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses behavioral traits beyond annotations: it reads the device address at m/44'/195'/<accountIndex>'/0/0, caches it for get_ledger_status, and is idempotent (calls for same index refresh in place). It also describes error behavior when the TRON app is not open or device locked, providing actionable error messages. Annotations indicate idempotentHint=true, which aligns with the description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured with a clear purpose, REQUIREMENTS section, derivation path, and usage notes. It is slightly verbose (e.g., explaining derivation path in detail), but every sentence adds value. The information is front-loaded with the core action and requirements.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description covers all necessary context: preconditions (device plugged, unlocked, Tron app open), behavior (reads address, caches), usage patterns (multi-call for accounts), error handling (actionable errors), and relation to other tools (must be called before prepare/send). It is comprehensive for the tool's complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema already provides a detailed description of the accountIndex parameter (hardened BIP-44 index, default 0, multiple calls for different indices). The description adds context about the derivation path and caching behavior, which complements the schema. With 100% schema coverage, baseline is 3; the additional context justifies a 4.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: pairing a directly-connected Ledger device for TRON signing via USB HID. It specifies the derivation path and caching behavior, and distinguishes this tool from siblings like pair_ledger_btc or pair_ledger_solana by focusing on the TRON app and USB HID interface.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use the tool: before any prepare_tron_* tool or send_transaction with a TRON handle. It also specifies that it does not work with WalletConnect due to CAIP namespace limitations, and instructs calling multiple times with different accountIndex values to pair additional accounts. This provides clear when/why-not guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_aave_borrowA
DestructiveIdempotent

Build an unsigned Aave V3 borrow transaction (variable rate — stable rate is deprecated and reverts on production markets). The borrower must already have sufficient collateral supplied.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
assetYes
amountYesHuman-readable decimal amount of `asset`, NOT raw wei/base units. Example: "1.5" for 1.5 USDC, "0.01" for 0.01 ETH. Pass "max" for full-balance withdraw/repay.

TDQS

A3.8/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations show destructiveHint=true and idempotentHint=true, but the description adds critical behavioral context: stable rate borrows revert on production markets, and the borrower must have collateral. This goes beyond annotations by disclosing a deprecated functionality that could cause failures.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two concise sentences: the first explains the core action and a critical caveat, the second adds a prerequisite. No redundant information, every sentence adds value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description does not specify the output format (e.g., unsigned transaction payload details) and has low parameter coverage. However, for a transaction preparation tool with clear sibling context, it is adequately complete for basic usage, though missing output description is a gap.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is only 25% (only the 'amount' parameter has a description). The description repeats the 'max' option already in the schema but does not explain 'wallet', 'asset', or 'chain' parameters beyond what the schema provides. This fails to compensate for low schema coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned Aave V3 borrow transaction, specifies variable rate, and notes stable rate is deprecated. This distinguishes it from sibling tools like prepare_aave_repay or prepare_aave_supply.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description mentions a prerequisite (sufficient collateral) but does not explicitly state when to use this tool versus other borrow preparation tools (e.g., prepare_compound_borrow) or provide criteria for exclusion. Usage context is implied but not comprehensive.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_aave_repayA
DestructiveIdempotent

Build an unsigned Aave V3 repay transaction. If an ERC-20 approve() is required first, it is returned as the outer tx and repay is in .next. Pass amount: "max" to repay the full debt.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
assetYes
amountYesHuman-readable decimal amount of `asset`, NOT raw wei/base units. Example: "1.5" for 1.5 USDC, "0.01" for 0.01 ETH. Pass "max" for full-balance withdraw/repay.
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds behavioral context beyond annotations, such as the multi-step transaction structure (approve as outer tx, repay as .next) and the special 'max' amount. Annotations already indicate mutation and destructiveness, so the description complements them well.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two sentences that efficiently convey the core purpose and a key behavioral detail. Every word earns its place with no redundancy or fluff.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers the essential behavior (repay, optional approve, 'max' amount) but lacks explanation of the return format or what happens when no approve is needed. Given the complexity of a multi-step DeFi transaction, it is reasonably complete for the typical use case.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 40%, and the description adds value for the `amount` parameter (explaining 'max' usage) and indirectly for `approvalCap` via the approve discussion. However, it does not elaborate on `wallet`, `chain`, or `asset` beyond what the schema provides, resulting in only moderate added parameter semantics.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action ('Build an unsigned Aave V3 repay transaction') with specific verb and resource, distinguishing it from sibling tools like prepare_aave_borrow or prepare_aave_supply.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for repaying Aave V3 debt via the name and action, but does not explicitly state when to use it over alternatives or when not to use it. It provides context on handling approvals but lacks explicit exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_aave_supplyA
DestructiveIdempotent

Build an unsigned Aave V3 supply transaction. If an ERC-20 approve() is required first, it is returned as the outer tx and the supply tx is embedded in .next. Both must be signed for the supply to succeed.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
assetYes
amountYesHuman-readable decimal amount of `asset`, NOT raw wei/base units. Example: "1.5" for 1.5 USDC, "0.01" for 0.01 ETH. Pass "max" for full-balance withdraw/repay.
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A4.1/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate the tool is destructive and idempotent. The description adds the key behavior of returning a potentially nested transaction structure, which goes beyond annotations. It does not contradict any annotation.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two sentences, front-loaded with the primary purpose, and includes all essential behavioral nuance without superfluous content.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity of a potential two-step transaction, the description covers the core pattern. It does not detail the return structure beyond `.next`, but combined with annotations (destructive, idempotent), it provides adequate context for an agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 40%, requiring the description to add meaning to parameters. However, the description does not explain wallet, chain, or asset fields, and only mentions 'ERC-20 approve' indirectly. The 'amount' and 'approvalCap' descriptions are in the schema but not reinforced here.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description begins with 'Build an unsigned Aave V3 supply transaction' which is a specific verb+resource combination. It clearly distinguishes from sibling tools like prepare_aave_borrow and prepare_aave_withdraw.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains that if an approval is required, it is returned as the outer transaction with the supply embedded in `.next`, and that both must be signed. This provides practical guidance but does not explicitly state when to use this tool versus alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_aave_withdrawA
DestructiveIdempotent

Build an unsigned Aave V3 withdraw transaction. Pass amount: "max" to withdraw the entire aToken balance.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
assetYes
amountYesHuman-readable decimal amount of `asset`, NOT raw wei/base units. Example: "1.5" for 1.5 USDC, "0.01" for 0.01 ETH. Pass "max" for full-balance withdraw/repay.

TDQS

A4.2/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate destructiveHint=true (modifies state) and idempotentHint=true. The description adds that it builds an unsigned transaction, implying no immediate effect. It doesn't elaborate on any side effects or authorization needs, but the safety profile is adequately covered by annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise: two sentences with zero wasted words. It delivers the core purpose and a key usage tip immediately. No unnecessary elaboration.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's simplicity and the presence of annotations describing its safety profile, the description covers essential behavioral aspects. It lacks details on the output format or typical flow, but for a transaction preparation tool, the provided information is generally sufficient.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema covers parameters, but only 'amount' has a description. The description adds meaningful guidance by explaining the 'max' value for amount, which is not obvious from the schema alone. For other parameters, the schema provides enough via patterns and enums.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned Aave V3 withdraw transaction, which is specific to withdrawing. It also highlights the special 'max' amount option. Among sibling tools like prepare_aave_borrow or prepare_aave_supply, this is distinctly different.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description indicates when to use (for withdrawing from Aave) and provides a usage tip for 'max'. However, it does not explicitly contrast with other Aave operations or mention prerequisites. The context is clear but could be more explicit.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_btc_lifi_swapA
DestructiveIdempotent

Build an unsigned Bitcoin PSBT-v0 that bridges native BTC to a token on another chain via LiFi's aggregator. LiFi auctions the route across intent solvers (NEAR Intents, Garden, Thorswap, Chainflip, Symbiosis, …) and returns a PSBT depositing to the chosen solver's vault address with an OP_RETURN memo committing to the cross-chain destination. Destinations: every EVM chain (ethereum/arbitrum/polygon/base/optimism) and Solana — TRON has no LiFi route from BTC and is rejected. Source-side scope (Phase 1, mirrors prepare_btc_send): native segwit and taproot only. Returns a 15-min handle the agent forwards to send_transaction; the Ledger BTC app clear-signs every output (vault deposit + OP_RETURN + change-back-to-source + LiFi fee output) on-screen, so there is NO blind-sign hash to pre-match in chat. The verification block surfaces the vault address, OP_RETURN bytes (hex + ASCII prefix), expected and minimum output on the destination, slippage, the chosen solver, and execution duration estimate. Server-side checks before forwarding: every PSBT input belongs to the source address, exactly one OP_RETURN output is present, the deposit output address matches the LiFi-advertised vault, and nonWitnessUtxo is hydrated on every input (Ledger 2.x rejects segwit/taproot inputs without it).

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesPaired Bitcoin source address. Phase 1 source-side scope: native segwit (`bc1q…`) and taproot (`bc1p…`) only. Multi-source consolidation is out of scope here — LiFi runs its own UTXO scan against `fromAddress` and bakes the input set into the PSBT.
toChainYesDestination chain. EVM `SupportedChain` (ethereum/arbitrum/polygon/base/optimism) for an EVM bridge, or `"solana"` for native SOL/SPL delivery. TRON is NOT routable from BTC via LiFi (rejected with a clear error).
toTokenYesDestination token. EVM hex when `toChain` is EVM; SPL mint (base58) when `toChain === "solana"`. `"native"` resolves to the chain's conventional native sentinel (`0x0…0` for EVM, wrapped-SOL mint for Solana).
toAddressYesDestination wallet — REQUIRED. The Bitcoin source address is not a valid recipient on any destination chain. Format must match the destination (Solana base58 for `"solana"`, EVM hex otherwise).
amountYesDecimal BTC string (up to 8 fractional digits, e.g. "0.005"). "max" is NOT supported — bridges commit to an exact deposit amount via the OP_RETURN memo at quote time, so the amount must be known up-front.
slippageBpsNoSlippage tolerance in basis points (50 = 0.5%, 100 = 1%). Default ~50. Hard-capped at 500 (5%); above 100 (1%) requires `acknowledgeHighSlippage: true` to opt in. Cross-chain bridges may impose their own minimums above this.
acknowledgeHighSlippageNoRequired when `slippageBps > 100`. Mirrors the `prepare_swap` guard — forces the caller to state that an unusually-high slippage is intentional.

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description provides extensive behavioral details beyond annotations: source-side scope (segwit/taproot only), that LiFi auctions routes, the PSBT contains specific outputs (vault deposit, OP_RETURN, change, fee), Ledger app clearsigns (no blind sign), verification block contents, and server-side checks. This fully informs the agent of the tool's behavior and constraints.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured with paragraphs covering purpose, process, and verification. It is front-loaded with the most essential information. While lengthy, every sentence adds value. Minor improvement could be tightening some phrasing, but overall it is concise given the complexity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description fully explains the return value (PSBT with 15-min handle) and the verification block details. It covers all necessary aspects: dependencies (LiFi, Ledger), constraints (source address type, destination chains), and failure conditions (TRON rejection). The agent has enough information to use the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 100% description coverage, with each parameter clearly documented. The tool description adds overarching context such as 'multi-source consolidation is out of scope' and explains why 'max' is not supported for amount. While per-parameter details are already in schema, the description enhances understanding of how parameters interact in the broader workflow.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'build' and the resource 'unsigned Bitcoin PSBT-v0' with the specific purpose of bridging native BTC to a token on another chain via LiFi's aggregator. It distinguishes itself from sibling tools like prepare_btc_send by emphasizing the cross-chain bridge aspect and explicitly listing supported destinations while rejecting TRON.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains the tool returns a 15-min handle that should be forwarded to send_transaction, indicating the workflow. It also specifies which chains are supported and that TRON is rejected. However, it does not explicitly mention when not to use this tool versus alternatives like prepare_btc_send for simple sends, which would improve guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_btc_multisig_sendA
DestructiveIdempotent

Initiator flow — build a tx FROM a registered multi-sig wallet, sign it with our Ledger key in the same call, return the partial PSBT for cosigners to sign. Pipeline: (1) fetch UTXOs across the wallet's gap-limit window, (2) coin-select with a multi-sig-aware vbyte estimator (P2WSH sortedmulti(M,...,N) inputs are ~2-4× P2WPKH), (3) resolve a fresh chain=1 change address (lowest unused index), (4) build PSBT v0 with witnessUtxo + nonWitnessUtxo (Ledger app 2.x requirement) + witnessScript + bip32_derivation for ALL cosigners, (5) sign with our Ledger via the existing co-signer flow (the device walks every output address + amount on-screen), (6) splice our signature into the PSBT, return the partial PSBT. We do NOT finalize or broadcast — the caller gathers remaining signatures externally, then runs combine_btc_psbts + finalize_btc_psbt. The fee-cap guard scales to multi-sig sizes automatically. Phase 3 supports wsh (P2WSH) wallets only; taproot lands in a follow-up PR.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNameYesName of a registered multi-sig wallet (matches `register_btc_multisig_wallet`).
toYesRecipient address. Any of the four mainnet types is accepted as a destination.
amountYesDecimal BTC string (up to 8 fractional digits, e.g. "0.001") or "max" to sweep every UTXO across the wallet's gap-limit window. "max" picks the fee-aware amount after coin-selection so the user doesn't have to subtract fees by hand.
feeRateSatPerVbNoFee rate in sat/vB. Optional — defaults to mempool.space's `halfHourFee` (~3-block target). Multi-sig txs are inherently larger than P2WPKH, so the absolute fee at the same sat/vB will be ~2-4× a single-sig send.
allowHighFeeNoOverride the fee-cap guard. The cap is `max(10 × feeRate × vbytes, 2% of recipient value)` and uses the multi-sig vsize estimator.

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description discloses behaviors beyond annotations: signs with Ledger, returns partial PSBT, uses coin-selection with multi-sig vbyte estimator, fee-cap guard, and pipeline steps. No contradiction with annotations (destructiveHint=true, idempotentHint=true).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is lengthy but well-structured with a numbered pipeline. First sentence sums up purpose, and each step adds value. Slightly verbose but earn its sentences.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, description adequately states return value (partial PSBT). Also covers prerequisites, pipeline steps, and limitations. Lacks some details like exact format of returned PSBT but sufficient.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% (baseline 3). Description adds value by explaining 'amount' can be 'max' to sweep, fee rate defaults to halfHourFee, and allowHighFee overrides cap. Also explains multi-sig vsize impact, adding clarity beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it is the initiator flow to build and sign a multi-sig transaction, returning a partial PSBT. It distinguishes from siblings like prepare_btc_send, combine_btc_psbts, and finalize_btc_psbt by outlining the specific role.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use this tool (initiator flow) and what not to do (do not finalize or broadcast). Provides a pipeline and notes that Phase 3 supports only wsh wallets, giving clear usage context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_btc_rbf_bumpA
DestructiveIdempotent

Build a BIP-125 Replace-By-Fee replacement for a stuck mempool BTC tx. Reuses the original tx's exact input set, preserves every recipient verbatim, and shrinks the change output to absorb the fee bump. Sequence stays at 0xFFFFFFFD so the replacement is itself RBF-eligible (the user can bump again if the new rate is still too low). Returns a 15-min handle the agent forwards to send_transaction; the Ledger BTC app clear-signs every output + new fee on-screen, so there is NO blind-sign hash to pre-match in chat. Refusal cases: original tx already confirmed; no input is BIP-125-eligible; any input belongs to a wallet other than wallet (multi-source RBF out of scope); no change output (no headroom to absorb the bump — CPFP territory); BIP-125 rule 4 violation (new fee must be >= old fee + 1 sat/vB × new vsize); bumped change below the 546-sat dust threshold; fee exceeds the safety cap (override with allowHighFee: true). Phase 1 source-side scope: native segwit + taproot only.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesPaired Bitcoin source address that signed the original tx. Phase 1 scope: native segwit (`bc1q...`) and taproot (`bc1p...`) only. Multi-source RBF (replacing a tx whose inputs span several wallets) is out of scope — every input on the original tx must come from this single address.
txidYes64-hex txid of the stuck mempool tx to replace. Must currently be unconfirmed and BIP-125 RBF-eligible (sequence < 0xFFFFFFFE on at least one input — true by default for every tx `prepare_btc_send` produces). Already-confirmed and final-marked txs are refused.
newFeeRateYesNew fee rate in sat/vB. Must satisfy BIP-125 rule 4: the new absolute fee must be at least the old absolute fee plus 1 sat/vB × new vsize. The replacement preserves every recipient verbatim and shrinks the change output to absorb the bump — refused if the bump would push change below the dust threshold (546 sats).
allowHighFeeNoOverride the fee-cap guard. The cap is `max(10 × newFeeRate × vbytes, 2% of recipient output value)`. Legitimate priority bumps through heavy congestion can exceed it; pass true after confirming with the user.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations (readOnlyHint=false, destructiveHint=true, idempotentHint=true) are known; the description adds behavioral details: sequence remains at 0xFFFFFFFD for further RBF, returns a 15-min handle for send_transaction, and lists all refusal conditions. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single dense paragraph with all necessary information. It could benefit from structuring refusal cases as a list, but it remains clear and front-loaded with the main purpose. No wasted sentences.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (BIP-125 RBF) and absence of an output schema, the description covers all aspects: mechanism, integration with send_transaction, refusal cases, and safety constraints. It is thoroughly complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

All 4 parameters have descriptions in the schema; the description adds context: wallet scope (native segwit/taproot), txid eligibility (sequence condition), newFeeRate dust threshold and rule 4, allowHighFee cap formula. Adds significant meaning beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds a BIP-125 RBF replacement for a stuck mempool BTC transaction, specifying reuse of inputs, preservation of recipients, and shrinking change output. It distinguishes from siblings like prepare_btc_send by outlining the unique RBF mechanism.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use (stuck mempool tx) and lists refusal cases (already confirmed, no BIP-125-eligible input, multi-source out-of-scope, no change output, rule 4 violation, dust threshold, fee cap). It implies alternatives like CPFP when no change output. Provides clear when-not-to-use guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_btc_sendA
DestructiveIdempotent

Build an unsigned Bitcoin native-send PSBT (segwit/taproot only in Phase 1). Returns a 15-min handle the agent forwards to send_transaction; the Ledger BTC app clear-signs every output (address + amount) + fee on-screen, so there is NO blind-sign hash to pre-match in chat. The verification block surfaces every output's address, amount in BTC, isChange flag, fee (BTC + sat/vB), and RBF flag. Fee selection: pass feeRateSatPerVb for an explicit sat/vB number, OR feePriority for a fuzzy preset (fastestFee / halfHourFee / hourFee / economyFee / minimumFee — issue #435) that resolves to mempool.space's named buckets at prepare time. Default (neither set) is halfHourFee. The resolved sat/vB always appears in the response under feeRateSatPerVb so the user sees what was picked. Coin-selection runs branch-and-bound + accumulative fallback via the coinselect library; a fee-cap guard refuses any tx whose fee exceeds max(10 × feeRate × vbytes, 2% of total output value) unless allowHighFee: true is passed. RBF is enabled by default (sequence 0xFFFFFFFD); pass rbf: false to mark final.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesOne paired Bitcoin source address (string), OR an array of 1-20 paired source addresses for multi-input consolidation (issue #264). All addresses must belong to the SAME Ledger account (same accountIndex + addressType) — Phase 1 mixed-type sends (segwit + taproot in one tx) are out of scope. UTXOs are fetched in parallel for every listed source and merged into one coin-selection pool. "max" sweeps every UTXO from every listed wallet into a single output. Phase 1 sends only support native segwit (`bc1q...`) and taproot (`bc1p...`) sources; legacy (`1...`) and P2SH-wrapped (`3...`) sends are deferred.
toYesBitcoin recipient address. Any of the four mainnet types is accepted as a destination — the restriction is only on the source side.
amountYesDecimal BTC string (up to 8 fractional digits, e.g. "0.001") or "max" to sweep the full balance minus fees. "max" picks the fee-aware amount after coin-selection so the user doesn't have to subtract fees by hand.
feeRateSatPerVbNoFee rate in sat/vB. Optional — when omitted, uses mempool.space's `halfHourFee` recommendation (~3-block confirm target). Override for priority sends through congestion. Capped at 10000 sat/vB for safety. Mutually exclusive with `feePriority`.
feePriorityNoIssue #435 — fuzzy-fee preset that resolves to mempool.space's named buckets (`fastestFee` ~next-block, `halfHourFee` ~3-block, `hourFee` ~6-block, `economyFee` lowest still-included, `minimumFee` floor). Resolves at prepare time via `getFeeEstimates()`; the resolved sat/vB appears in the response so the user sees what was picked. Default (neither preset nor `feeRateSatPerVb` supplied) is `halfHourFee`. Mutually exclusive with `feeRateSatPerVb`.
rbfNoBIP-125 Replace-By-Fee. Default true → sequence 0xFFFFFFFD on every input, marking the tx replaceable so the user can fee-bump if it stalls. Set false → 0xFFFFFFFE (final, not replaceable). RBF is the default for every modern wallet.
allowHighFeeNoOverride the fee-cap guard. The cap is `max(10 × feeRate × vbytes, 2% of total output value)`. Legitimate priority sends through heavy congestion can exceed it; pass true after confirming with the user.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses behavioral traits beyond annotations, including 15-min handle, verification block, coin-selection method, fee-cap guard, and RBF default. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Efficiently structured with no wasted words. Each sentence serves a purpose, starting with core function and expanding on details.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Thoroughly covers inputs, behavior, and return values despite no output schema. All necessary information for an agent to use the tool is present.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Adds significant value beyond schema descriptions, explaining multi-input consolidation, 'max' behavior, fee defaults, mutual exclusivity, and cap formula. Schema coverage is 100%.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned Bitcoin native-send PSBT for segwit/taproot only, with a specific verb and resource. It distinguishes from siblings like prepare_btc_multisig_send and prepare_btc_lifi_swap.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides detailed guidance on fee selection, RBF, and high-fee overrides. Does not explicitly compare to siblings but covers many usage scenarios and constraints.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_compound_borrowA
DestructiveIdempotent

Build an unsigned Compound V3 borrow transaction. Compound V3 encodes a borrow as withdraw(baseToken) drawn beyond the wallet's supplied balance — the base token is resolved on-chain from the Comet market so you only pass the market address and amount. Requires the wallet to have already supplied enough collateral in that market; get_compound_positions shows the current collateral mix. Returns a handle + human-readable preview for the user to sign on Ledger; no approval step is needed (borrowing doesn't pull tokens from the wallet).

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain the Comet market lives on. Defaults to ethereum.ethereum
marketYesComet market address (e.g. cUSDCv3). The base token is resolved on-chain.
amountYesHuman-readable decimal amount of the market base token, NOT raw wei/base units. Example: "100" for 100 USDC.

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses that the tool only builds an unsigned transaction (not executes), returns a handle and preview for Ledger signing, and explains why no approval is needed. Annotations (destructiveHint=true, idempotentHint=true) are consistent; description adds value beyond annotations by clarifying the signing flow and token resolution behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Four sentences, front-loads purpose and key details. No wasted words, though the explanation of the borrow mechanism could be slightly more streamlined.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, description explains the return value (handle + readable preview). Also covers prerequisite (collateral), no-approval aspect, and market resolution. Lacks explicit details about the handle or preview format, but sufficient for a prepare tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%. Description adds meaning by clarifying that 'amount' is human-readable (not raw wei) and that 'market' resolves the base token on-chain. This supplement is helpful beyond the schema alone.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it builds an unsigned Compound V3 borrow transaction, explaining the mechanism (withdraw beyond supplied balance) and that the base token is resolved on-chain. This distinguishes it from sibling tools like prepare_compound_supply, prepare_compound_repay, and prepare_compound_withdraw.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides clear context: requires sufficient collateral in the market, points to get_compound_positions to check collateral, and notes no approval step is needed. It implicitly differentiates from similar tools (supply, repay, withdraw) but does not explicitly list alternatives or state when not to use.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_compound_repayA
DestructiveIdempotent

Build an unsigned Compound V3 repay transaction — encoded as supply(baseToken) against an outstanding borrow. Includes an approve step if needed. Pass amount: "max" for a full repay.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain the Comet market lives on. Defaults to ethereum.ethereum
marketYesComet market address (e.g. cUSDCv3). The base token is resolved on-chain.
amountYesHuman-readable decimal amount of the market base token, NOT raw wei/base units. Example: "100" for 100 USDC.
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true. Description adds behavioral context: it builds an unsigned transaction (no execution), includes an ERC-20 approve step if needed, and supports 'max' for full repayment. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, no redundant information. Each sentence provides critical details: purpose, encoding, approval step, and amount notation. Extremely concise and efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema and five parameters, the description covers the main behavior, approval step, and the 'max' feature. It lacks details on return format, but for a preparation tool, this is acceptable. The description is sufficient for an agent to select and invoke the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, but description adds semantic value beyond schema: 'encoded as supply(baseToken)', 'includes an approve step if needed', and explains approvalCap parameter (omit for unlimited, 'exact', or specific decimal string). The 'max' usage for amount is also explained.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it builds an unsigned Compound V3 repay transaction, encoded as supply(baseToken) against an outstanding borrow. It distinguishes from other compound actions (borrow, supply, withdraw) by specifying 'repay' and mentions the include of an approve step, making purpose unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains when to use this tool (to repay a borrow on Compound V3) and how to use it (pass amount as 'max' for full repay). While it doesn't explicitly state alternatives or when not to use it, the context is clear given the sibling tools like prepare_compound_borrow.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_compound_supplyA
DestructiveIdempotent

Build an unsigned Compound V3 supply transaction (base token or collateral). If an ERC-20 approve() is required first, it is returned as the outer tx with supply in .next.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain the Comet market lives on. Defaults to ethereum.ethereum
marketYesComet market address (e.g. cUSDCv3). Discover via get_compound_positions or the Compound registry.
assetYesERC-20 token address being supplied or withdrawn — either the market's base token or a listed collateral token.
amountYesHuman-readable decimal amount of `asset`, NOT raw wei/base units. Example: "10" for 10 USDC. Pass "max" for full-balance withdraw.
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A3.8/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds value beyond annotations: it explains that if an ERC-20 approve() is required, it is returned as the outer transaction with the supply in `.next`. This behavior is not covered by annotations (readOnlyHint=false, destructiveHint=true, idempotentHint=true). No contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with the core purpose, no extraneous information. Every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a moderately complex tool (Compound V3 supply with possible approval chaining), the description covers the main purpose and approval handling. Lacks details on return shape (only mentions `.next`), but output schema is absent so not required. Adequate for agent usage.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3. The description does not add meaning beyond the schema's parameter descriptions. The mention of approval behavior indirectly relates to the approvalCap parameter, but does not enhance parameter understanding.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Build', the resource 'unsigned Compound V3 supply transaction', and the scope 'base token or collateral'. It also distinguishes from sibling tools like prepare_compound_borrow, prepare_compound_repay, prepare_compound_withdraw.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance on when to use this tool versus alternatives. The description only states what it does without specifying context, prerequisites, or exclusions. Siblings include many prepare_* tools, but no comparison or selection criteria provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_compound_withdrawA
DestructiveIdempotent

Build an unsigned Compound V3 withdraw transaction. Pass amount: "max" to withdraw the full supplied balance.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain the Comet market lives on. Defaults to ethereum.ethereum
marketYesComet market address (e.g. cUSDCv3). Discover via get_compound_positions or the Compound registry.
assetYesERC-20 token address being supplied or withdrawn — either the market's base token or a listed collateral token.
amountYesHuman-readable decimal amount of `asset`, NOT raw wei/base units. Example: "10" for 10 USDC. Pass "max" for full-balance withdraw.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations declare destructiveHint and idempotentHint, which align with building an unsigned withdraw transaction. The description adds that it builds an unsigned transaction (not executing), and the 'max' tip. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences: first states purpose, second gives a specific usage instruction. No redundant words, front-loaded, and easy to parse.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a prepare tool with well-documented parameters, the description is adequate. It could optionally mention the output (unsigned transaction) or prerequisites (market address), but given the annotations and schema, it is complete enough.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has 100% coverage with descriptions for all 5 parameters. The description adds the 'amount: max' usage hint, which is helpful but already present in the parameter description. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned Compound V3 withdraw transaction, with a specific verb 'Build' and resource. It distinguishes from siblings like prepare_compound_supply by specifying 'withdraw'. The title annotation confirms.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description gives clear context: used for Compound V3 withdrawals, with a special tip for 'max' amount. It does not explicitly state when not to use or list alternatives, but the context is sufficient for an agent to select appropriately among the many prepare tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_curve_add_liquidityA
DestructiveIdempotent

Build an unsigned Curve add_liquidity transaction for a stable_ng plain pool on Ethereum. Bundles ERC-20 approvals (one per non-zero deposit slot) before the action call via chainApproval. Pass amounts as a decimal-string array matching the pool's N_COINS (use '0' for slots you're not depositing into — single-coin deposit). Slippage gate is REQUIRED: pass either minLpOut (explicit decimal-string uint256) OR slippageBps (server computes via calc_token_amount * (1 - bps/10000)). v0.1 scope: stable_ng plain pools only — meta pools rejected. Use get_curve_positions to discover valid pool addresses + their coin order before calling this.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x EVM wallet address that will sign the tx.
poolYesPool address (== LP token address on stable_ng). Must be a stable_ng plain pool — meta pools rejected with a clear error in v0.1; use `get_curve_positions` to discover valid pools the wallet has access to.
amountsYesPer-coin deposit amounts as decimal-string-encoded uint256, in the order returned by `get_curve_positions(...).coins`. Length must match the pool's N_COINS. Pass '0' for slots you're not depositing into (single-coin deposit).
minLpOutNoExplicit minimum LP tokens to receive (decimal-string uint256). Passes through to the pool's `add_liquidity(amounts, min_mint_amount)`. Either `minLpOut` or `slippageBps` is required.
slippageBpsNoServer-side slippage allowance in basis points (e.g. 50 = 0.5%). When set, `minLpOut = calc_token_amount * (1 - slippageBps / 10000)`. Capped at 10% (1000 bps) to prevent accidental wide gates. Either `minLpOut` or `slippageBps` is required.
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses bundling of ERC-20 approvals, slippage computation via server, and rejection of meta pools. Consistent with annotations; no contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Every sentence is informative and purposeful, front-loaded with primary action, then sequentially covers details without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers all critical aspects: purpose, parameter usage, scope constraints, prerequisites, and behavioral nuances. Adequate given no output schema and 6 parameters.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Adds substantial detail beyond schema: amounts format as decimal strings with '0' for empty slots, slippage gate requirement with two forms, approvalCap behavior (unlimited/exact/custom min), and the prerequisite get_curve_positions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states it builds an unsigned Curve add_liquidity transaction for stable_ng plain pools, with specific verb and resource, and distinguishes from sibling tools like prepare_curve_swap.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states scope limitations (only stable_ng plain pools, meta pools rejected), requires slippage gate with two options, recommends using get_curve_positions for discovery, and explains approvalCap options.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_curve_swapA
DestructiveIdempotent

Build an unsigned Curve swap on Ethereum. Issue #615. Supports the canonical legacy stETH/ETH pool (0xDC24316b9AE028F1497c275EB9192a3Ea0f67022 — historically the tightest-spread venue for stETH↔ETH) and any plain pool registered with the stable_ng factory (covers crvUSD/USDC, USDe/USDC, etc.). Pass pool + fromToken + toToken; the tool resolves coin indices from the pool's coins array. Use fromToken: "native" for the ETH leg of the stETH/ETH pool (the only currently-supported pool whose coins(i) returns the ETH sentinel). Slippage gate REQUIRED: slippageBps (server reads get_dy and applies the cap) or minOut (explicit decimal-string uint256). The pool's exchange() accepts min_dy=0 silently — defaulting to that would let MEV extract the entire output. ERC-20 inputs chain an approval to the pool automatically. Rejected: meta pools (use exchange_underlying — different ABI), cryptoswap / tricrypto / older legacy stable pools (uint256 indices, use_eth flag — different selectors). For unsupported Curve pairs, fall back to prepare_swap (LiFi).

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x EVM wallet address that will sign the tx.
poolYesCurve pool address. Must be the canonical legacy stETH/ETH pool (0xDC24316b9AE028F1497c275EB9192a3Ea0f67022) or a stable_ng factory plain pool. Meta pools, cryptoswap, tricrypto, and older legacy stable pools are rejected with a clear error.
fromTokenYesToken to spend. Pass `"native"` only for pools whose `coins(i)` returns the ETH sentinel (0xeeee...eeee) at some index — currently the legacy stETH/ETH pool. For ERC-20 inputs the tool chains an approval to the pool automatically.
toTokenYesToken to receive. Same rules as `fromToken`. Must differ from `fromToken` and both must appear in the pool's `coins` array.
amountYesHuman-readable decimal input amount in the from-token (e.g. "1.5"). Decimals are read from the from-token contract; native = 18.
slippageBpsNoSlippage tolerance in basis points (50 = 0.5%). When set, `min_dy = get_dy(i,j,dx) * (1 - slippageBps/10000)`. Either `slippageBps` or `minOut` is required — the pool's exchange() accepts `min_dy=0` silently and defaulting to that would let MEV extract the entire output. Capped at 5% (500 bps).
minOutNoExplicit minimum output in the to-token's wei (decimal-string uint256). Takes precedence over `slippageBps` when both are provided.
acknowledgeHighSlippageNoRequired when `slippageBps > 100` (1%). Same gate as `prepare_swap` — sandwich-MEV bots target wide-slippage txs.
acknowledgeNonAllowlistedSpenderNoAFFIRMATIVE GATE — required whenever `fromToken` is an ERC-20 (the approve leg targets the Curve pool, which is NOT in the global protocol approve-allowlist: Aave Pool, Compound Comet, Morpho Blue, Lido Queue, EigenLayer, Uniswap NPM, Uniswap SwapRouter02, LiFi Diamond). The allowlist is a security recommendation, not a hard requirement: it limits approvals to a small set of well-known spenders to keep prompt-injection drains from sliding through. Setting this flag is the user's affirmative ack that they understand the approval target sits outside that curated set — the on-device clear-sign of `approve(<curve-pool>, <amount>)` and the prepare-receipt warning advisory are the verification anchors. Do NOT default this to true silently; surface the trade-off to the user first. Ignored when `fromToken: "native"` (no approval; native ETH is sent as msg.value).
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses automatic approval chaining for ERC-20, coin index resolution from pool's coins array, and the security gate acknowledgeNonAllowlistedSpender because Curve pool is not in the global allowlist. Annotations already mark destructive and idempotent; description adds rich behavioral context without contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Every sentence adds value. Front-loaded with purpose, then specifics on pools, parameters, slippage, approvals, exclusions, and fallback. Efficient and clear despite length.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers all relevant aspects: supported pools, coin index logic, slippage safety, approval gates, fallback, and allowlist rationale. For a complex 10-parameter tool with no output schema, it is remarkably complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, but the description significantly enriches parameters: explains slippageBps calculation, minOut precedence, the reason for acknowledgeNonAllowlistedSpender, and approvalCap options. Exceeds baseline.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Build an unsigned Curve swap on Ethereum' and specifies supported pools (canonical stETH/ETH and stable_ng factory plain pools). It also distinguishes from sibling tools like prepare_swap by noting fallback for unsupported Curve pairs.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit when-to-use: for supported Curve pools; when-not-to-use: for meta pools, cryptoswap, tricrypto, older legacy pools; and alternatives: fall back to prepare_swap (LiFi). Also details required slippage gate with rationale about MEV.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_custom_callA
DestructiveIdempotent

ESCAPE HATCH for arbitrary EVM contract calls — Timelock proposals, governance hooks, DAO ops, anything not covered by a protocol-specific prepare_*. BYPASSES the canonical-dispatch allowlist by design; the schema's acknowledgeNonProtocolTarget: true literal is the user's affirmative gate. ABI source: pass abi: [...] inline (preferred when you have the project's published artifact), OR omit it and the tool fetches via Etherscan V2 — refuses on unverified contracts with NO raw-bytecode fallback. Proxies are followed once to the implementation when Etherscan exposes the link; deeper proxy chains require an inline ABI. Pass fn as a name ("schedule") when unambiguous or as the full signature ("schedule(address,uint256,bytes,bytes32,bytes32,uint256)") to disambiguate overloads. args types are validated by viem's encoder at build time — uint256 expects a decimal string, address expects a 0x-prefixed lowercase hex, bytes/bytes32 expect 0x-prefixed hex, structs are objects with their named fields. value is RAW WEI (decimal string), not human-readable. The standard prepare-receipt + verification envelope (payloadHash, decoderUrl, humanDecode) applies; on-device verification is blind-sign by definition (no Ledger plugin decodes arbitrary calldata) — the swiss-knife decoder URL surfaced in chat is the user-side anchor. Use a protocol-specific prepare_* whenever one fits — this tool exists for the long tail.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesEVM wallet that will sign + broadcast the call. Must be paired via `pair_ledger_live`.
chainNoethereum
contractYesTarget contract address. Must be Etherscan-verified OR the `abi` arg must be passed inline. NOT canonical-dispatch-allowlist gated — this is the explicit escape hatch for arbitrary calls.
fnYesFunction name to call (e.g. "schedule"). Pass the FULL signature ("schedule(address,uint256,bytes,bytes32,bytes32,uint256)") to disambiguate when the ABI has overloads for the same name.
argsNoArray of args matching the function's inputs in order. Decimal strings for uint256 (e.g. "1000000000000000000" for 1 ETH-as-wei), hex strings for bytes32/bytes, lowercase 0x-prefixed addresses, plain numbers/booleans for primitives, nested arrays/objects for structs and tuples. viem's encoder validates types at build time.
valueNoNative-coin value in WEI (decimal string). Use "0" for non-payable functions. For payable functions, pass the wei amount (e.g. "1000000000000000000" for 1 ETH). Human-readable amounts are NOT accepted here — the tool can't infer the function's expected denomination from an arbitrary signature.0
abiNoInline ABI array. When omitted, the tool fetches it via Etherscan V2. Pass it to override the Etherscan ABI, to call a contract whose source isn't yet verified, or to call through a proxy whose implementation can't be auto-followed. NEVER let an untrusted source supply this — the ABI determines selector encoding, so a malicious ABI can route a benign-looking `fn` to a value-exfil selector on the target contract.
acknowledgeNonProtocolTargetYesAFFIRMATIVE GATE — must be true. The tool BYPASSES the canonical-dispatch allowlist by design (used for arbitrary contract calls like Timelock proposals, governance hooks, DAO ops). Setting this to true is the user's affirmative ack that they understand the call doesn't have the protocol-tier safety net of `prepare_aave_*` / `prepare_lido_*` / etc.; the on-device blind-sign hash + the swiss-knife decoder URL are the sole verification anchors. Do NOT default this to true silently — the agent must surface the trade-off to the user before setting it.
acknowledgeBurnApprovalNoOverride flag for the BURN_ADDRESS_UNLIMITED_APPROVAL refusal. Required only when `fn` is `approve` and the encoded call grants unlimited (2^256-1) allowance to a canonical no-key address (`0x0…0`, `0x0…dEaD`, `0xdEaD…0`, `0xff…ff`). The pattern is almost always prompt injection or a model error — refuse by default. Set to true only when the user has explicitly asked for that exact spender + unlimited amount (e.g. fork testing, deliberate griefing). Do NOT default to true silently.
acknowledgeRawApproveBypassNoOverride flag for the APPROVE_ROUTE_VIA_DEDICATED_TOOL refusal. By default any `approve(address,uint256)` calldata routed through this escape hatch refuses and redirects to `prepare_token_approve` (or a protocol-specific `prepare_*` when the spender resolves to a known protocol contract). Set to true only when calling a non-ERC-20 contract that exposes `approve(address,uint256)` for an unrelated purpose (rare governance hooks, DAO-specific approvals). Do NOT default to true.
acknowledgeKnownExfilPatternNoOverride flag for the CUSTOM_CALL_REFUSED selector classifier (issue #652). The classifier hard-refuses obvious ERC-20 value-exfil selectors routed through this escape hatch — `transfer(address,uint256)` and `transferFrom(address,address,uint256)` — and points the agent at the safer protocol-specific tool (`prepare_token_send`, etc.). Set to true only when the user has explicitly asked for the raw selector via this escape hatch (e.g. testing a non-standard ERC-20 fork, calling through a contract whose `transfer` is unrelated to ERC-20). Pulling your own wallet via `transferFrom` (from = self) is refused outright and is NOT bypassable through this flag — use `prepare_token_send` instead. Do NOT default to true silently — the agent must surface the trade-off to the user before setting it.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (readOnlyHint=false, destructiveHint=true), the description details behavioral traits: bypasses canonical-dispatch allowlist, fetches ABI via Etherscan if not provided, follows proxies once, validates args with viem, and explains the verification envelope. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is front-loaded with the core purpose but becomes lengthy with detailed paragraphs. While comprehensive, it could benefit from bullet points for readability. Nonetheless, every sentence adds value, and it is well-organized.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (11 parameters, no output schema, annotations present), the description covers all essentials: usage context, safety acknowledgments, parameter semantics, ABI handling, and verification. It is complete for an agent to invoke correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 91% (high), but the description adds significant meaning: it explains the escape hatch nature, proxy behavior, ABI sourcing options, and the role of each acknowledge flag as a safety gate. It also clarifies raw wei format and argument type constraints beyond the schema's descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly identifies the tool as an escape hatch for arbitrary EVM contract calls not covered by protocol-specific prepare_* tools. It specifies the verb (prepare) and resource (custom call), and distinguishes from siblings by advising to use a protocol-specific prepare_* when one fits.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly states when to use this tool (long tail, governance hooks, DAO ops) and when not to (if a protocol-specific prepare_* exists). It provides guidance on ABI sourcing, proxy handling, function signatures, and the mandatory acknowledgeNonProtocolTarget flag, ensuring the agent understands the trade-offs.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_eigenlayer_depositA
DestructiveIdempotent

Build an unsigned EigenLayer StrategyManager.depositIntoStrategy transaction. Includes an ERC-20 approve step if needed.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
strategyYes
tokenYes
amountYesHuman-readable decimal amount of `token`, NOT raw wei/base units. Example: "0.5" for 0.5 stETH.
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A3.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds behavioral context beyond annotations: notes that the transaction is unsigned and that an ERC-20 approval step is included if needed. Annotations already indicate destructiveHint and non-readOnly, but description clarifies the unsigned nature and approval handling.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Extremely concise: two short sentences with no filler. The main action and a key detail (approval step) are front-loaded. Every sentence is necessary.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Minimal context: does not explain return value (unsigned transaction), error conditions, prerequisites, or how the approval step works. No output schema. For a tool preparing a DeFi deposit, more completeness is needed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Description does not explain any of the 5 parameters, despite low schema description coverage (40%). The schema has descriptions only for 'amount' and 'approvalCap'; the other three (wallet, strategy, token) remain undocumented. The description fails to add parameter meaning.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states the tool builds an unsigned EigenLayer deposit transaction and includes an ERC-20 approve step if needed. The specific contract (StrategyManager.depositIntoStrategy) and action are named, distinguishing it from other prepare_* tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance on when to use this tool versus alternatives like prepare_aave_supply or prepare_compound_supply. Usage is implied by the EigenLayer context, but no when-to or when-not-to instructions are provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_jito_stakeA
DestructiveIdempotent

Build an unsigned Jito stake-pool deposit tx: deposit amountSol SOL into Jito's stake pool and receive jitoSOL (Jito's liquid-staking token). Uses the SPL stake-pool program's raw DepositSol instruction with the user's wallet as the on-chain fundingAccount — no ephemeral keypair, Ledger-compatible. The high-level @solana/spl-stake-pool helper would generate an ephemeral SOL-transfer keypair (incompatible with Ledger-only signing); we hand-build the ix to avoid that. The jitoSOL ATA is created automatically on first stake (~0.002 SOL ATA rent, reclaimable). DURABLE NONCE REQUIRED — wallet must have run prepare_solana_nonce_init first; otherwise this tool errors. BLIND-SIGN on Ledger (the SPL stake-pool program is not in the Solana app's clear-sign registry) — match the Message Hash on-device after preview_solana_send. Unstake (immediate via WithdrawSol or delayed via WithdrawStake) is not yet exposed; tracked as a follow-up.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet that funds the deposit and receives jitoSOL. Must have an initialized durable-nonce account (prepare_solana_nonce_init) and enough SOL to cover the deposit + jitoSOL ATA rent (~0.002 SOL if the ATA doesn't exist yet) + tx fee.
amountSolYesHuman-readable SOL amount to stake (e.g. "1.5"). Decimals are SOL-native (9 dec); the builder rounds down to lamport precision.

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate destructive and idempotent nature, but the description adds crucial behavioral context: no ephemeral keypair (Ledger-compatible), ATA auto-creation with reclaimable rent, durable nonce requirement, blind-sign warning, and future roadmap for unstaking. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single dense paragraph, front-loaded with the core action. While efficient, it could benefit from bullets for caveats (nonce, blind-sign, ATA rent) to improve readability. Still, every sentence adds value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema exists, and the description does not specify the structure of the returned unsigned transaction (e.g., format, fields). This leaves a gap for the agent regarding what to expect from the tool's output. Annotations help with safety but not return value.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers both parameters with detailed descriptions. The description adds practical context (wallet must have nonce and enough SOL for deposit+rent+tx fee; amountSol is human-readable with 9 decimals), enriching the schema's meaning.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states the tool builds an unsigned Jito stake-pool deposit transaction, specifying the program, instruction, and what the user receives (jitoSOL). It distinguishes itself from other staking tools by naming Jito and providing unique details (no ephemeral keypair, Ledger-compatible).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit prerequisites (durable nonce must be initialized), warns about blind-signing on Ledger, and mentions that unstaking is not yet available. However, it does not contrast with alternatives like native staking or other LSTs, so the agent must infer use cases.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_kamino_borrowA
DestructiveIdempotent

Build a Kamino borrow tx — pulls liquidity from a reserve as debt against the obligation's existing collateral. Refuses if the wallet hasn't run prepare_kamino_init_user; refuses if the mint isn't listed on Kamino's main market. On-chain LTV gate: borrow reverts if it would push the obligation over the reserve's borrowLimit (the simulation gate catches this before signing). DURABLE NONCE REQUIRED + same blind-sign treatment as prepare_kamino_supply.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana base58 wallet — must already have Kamino userMetadata + obligation.
mintYesBase58 SPL mint of the asset to borrow against the obligation's collateral.
amountYesHuman-readable amount to borrow (e.g. "100" for 100 USDC). Decimals are resolved from the reserve's mint metadata. The on-chain program enforces the borrow LTV gate; if the borrow would push the obligation over the liquidation limit, the tx reverts (caught by the simulation gate).

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true. The description adds significant behavioral context: preconditions, LTV gate, simulation gate, durable nonce requirement, and blind-sign treatment. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three to four sentences, all value-add. Front-loaded purpose, followed by preconditions, on-chain behavior, and additional requirements. No redundant or unnecessary information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers purpose, preconditions, on-chain enforcement, simulation, and additional requirements (durable nonce, blind-sign). Missing explicit mention of return value, but as a preparation tool without output schema, the description is adequately complete for its complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with descriptions for each parameter. The tool description adds meaning beyond the schema by explaining wallet must have userMetadata/obligation, mint must be on market, and amount is human-readable with decimals resolved.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds a Kamino borrow transaction, pulling liquidity as debt against existing collateral. It differentiates from sibling Kamino tools by specifying prerequisites (init_user, mint on market) and behavioral details like LTV gate and simulation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides clear preconditions (wallet must have run prepare_kamino_init_user and mint must be on main market), implicitly guiding when not to use it. However, it does not explicitly compare with other borrowing tools or scenarios, but the context is sufficient for a protocol-specific tool.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_kamino_init_userA
DestructiveIdempotent

First-time Kamino setup. Creates the user lookup table + userMetadata PDA + obligation PDA (VanillaObligation, tag 0) on Kamino's main market in a single tx. ONE-TIME — required prerequisite before prepare_kamino_supply / borrow / withdraw / repay. Refuses if userMetadata already exists (use the supply tool directly). Costs ~0.028 SOL total in rent for the three accounts (recoverable via Kamino's account-close flow when fully exiting). DURABLE NONCE REQUIRED. BLIND-SIGN on Ledger — Kamino's program isn't in the Solana app's clear-sign allowlist; match the Message Hash on-device after preview_solana_send.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana base58 wallet — funds the LUT (~0.014 SOL rent) + obligation PDA (~0.012 SOL rent) + userMetadata PDA (~0.002 SOL rent). Must have an initialized durable-nonce account (prepare_solana_nonce_init).

TDQS

A3.9/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses many behavioral details (cost, durable nonce, blind-sign, refusal on repeat), but it contradicts the annotation idempotentHint=true. The description states it refuses if userMetadata already exists, which means repeating the call with the same wallet will fail, thus it is not idempotent. This contradiction forces a score of 1 per rubric.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is four sentences, dense with information but not verbose. Key points are front-loaded (first-time setup, creates accounts, one-time). A minor improvement could be splitting the cost details to improve readability, but overall effective.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a single-parameter tool with no output schema, the description covers prerequisites, costs, refusal condition, and security warnings (durable nonce, blind-sign). It does not explicitly state that the tool returns a transaction, but this is implied by the 'prepare' pattern and sibling tools. Minor gap but acceptable.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, but the description adds valuable context beyond the schema: it explains that the wallet funds specific accounts with rent estimates (~0.014 SOL, ~0.012 SOL, ~0.002 SOL) and requires an initialized durable-nonce account. This helps the agent understand the parameter's implications.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it is for first-time Kamino setup, creates specific accounts (user lookup table, userMetadata PDA, obligation PDA), and is a one-time prerequisite. It distinguishes itself from sibling tools like prepare_kamino_supply by explicitly calling itself a prerequisite.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Description explicitly says 'ONE-TIME — required prerequisite before prepare_kamino_supply / borrow / withdraw / repay' and 'Refuses if userMetadata already exists (use the supply tool directly).' It also warns about durable nonce requirement and blind-signing, providing clear when-to-use and when-to-avoid guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_kamino_repayA
DestructiveIdempotent

Build a Kamino repay tx — pays down outstanding debt in the named reserve. Refuses with a clear error if the wallet has no debt in the reserve. The on-chain program clamps repayment at outstanding debt, so over-repaying just doesn't burn the excess (no funds lost). DURABLE NONCE REQUIRED + same blind-sign treatment as prepare_kamino_supply.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana base58 wallet — must already have outstanding debt in the named reserve.
mintYesBase58 Solana mainnet address (ed25519 pubkey, 43 or 44 chars).
amountYesHuman-readable amount to repay. The on-chain program clamps repayment at outstanding debt; over-repaying just doesn't burn the excess (no funds lost). Refuses with a clear error if the wallet has no debt in the reserve.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already mark destructiveHint=true and idempotentHint=true. The description adds valuable behavioral details: the refusal on no debt, the clamping behavior to prevent over-repay loss, and the durable nonce requirement. This goes beyond what annotations provide, though it lacks permission requirements or return value details.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise, consisting of three clear sentences with no superfluous text. The purpose is front-loaded, followed by error handling, clamping behavior, and a requirement note. Every sentence serves a distinct purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool simplicity (3 params, no output schema) and the presence of many sibling tools, the description adequately covers purpose, error cases, behavioral quirks, and a requirement. It does not mention the return value (expected transaction object), but that is a common pattern for 'prepare' tools and not critical.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, providing baseline parameter info. The description adds context: 'wallet must have debt', 'mint' is the reserve, and 'amount' is human-readable with clamping behavior explained. This enhances understanding beyond the schema alone.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Build' and the resource 'Kamino repay tx — pays down outstanding debt in the named reserve.' This directly distinguishes it from sibling tools like prepare_kamino_supply, prepare_kamino_borrow, etc., by specifying the action and the protocol.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides usage context by stating that refusing occurs if the wallet has no debt and that over-repaying is safe. It also notes the requirement for a durable nonce and blind-sign treatment. However, it does not explicitly indicate when NOT to use this tool or mention alternatives (e.g., prepare_aave_repay) for different protocols.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_kamino_supplyA
DestructiveIdempotent

Build a Kamino deposit (supply) tx. Refuses if the wallet doesn't have Kamino userMetadata + obligation already initialized — run prepare_kamino_init_user first. Validates that the mint is listed on Kamino's main market; resolves decimals from the reserve's mint metadata so callers pass human amounts ("100" = 100 USDC, "0.5" = 0.5 SOL). DURABLE NONCE REQUIRED + same Ledger blind-sign treatment as prepare_kamino_init_user. The returned tx packs [computeBudget, ATA setup if needed, reserve refresh, obligation refresh, deposit, cleanup] under v0 + Kamino's market ALTs.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana base58 wallet — funds the deposit + tx fee. Must have already run prepare_kamino_init_user.
mintYesBase58 SPL mint address of the asset to supply. Must be listed on Kamino's main market — refuses otherwise. Common Kamino reserves: USDC, USDT, SOL, JitoSOL, mSOL, JLP, JUP, BONK.
amountYesHuman-readable amount to supply (e.g. "100" for 100 USDC, "0.5" for 0.5 SOL). Decimals are resolved from the reserve's mint metadata; pass the human value, not raw base units.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Describes the internal transaction composition (computeBudget, ATA setup, reserve refresh, etc.), decimal resolution, and validation against Kamino's main market. Adds significant detail beyond annotations (destructive, idempotent) without contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise (3 sentences) but packs essential information: purpose, prerequisites, human amounts, nonce requirement, and tx composition. Front-loaded with the core action, no wasted words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity of a Kamino supply transaction and no output schema, the description is complete: it explains the prerequisite, input validation, parameter interpretation, and what the returned transaction contains, enabling correct use.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema already provides descriptions for all three parameters, including human amount semantics. The description adds context about market validation and prerequisite (wallet initialization) for the wallet param, complementing the schema effectively.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Build a Kamino deposit (supply) tx' with specific verb and resource. It distinguishes from siblings like prepare_kamino_init_user and prepare_kamino_borrow by mentioning prerequisites and the deposit-specific flow.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly tells when to use (after prepare_kamino_init_user) and what not to use (if not initialized). Also mentions required nonce and Ledger blind-sign treatment, guiding the agent on prerequisites and signing context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_kamino_withdrawA
DestructiveIdempotent

Build a Kamino withdraw tx — pulls liquidity out of a previously-supplied reserve. Refuses with a clear error if the wallet has no deposit in the named reserve. Health-factor gated on-chain: withdraws that would leave the obligation under-collateralized for outstanding debt revert (caught by the simulation gate). DURABLE NONCE REQUIRED + same blind-sign treatment as prepare_kamino_supply.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana base58 wallet — must already have a Kamino deposit in the named reserve.
mintYesBase58 Solana mainnet address (ed25519 pubkey, 43 or 44 chars).
amountYesHuman-readable amount to withdraw. The reserve must have an active deposit from this wallet — the builder refuses with a clear error otherwise. Health-factor gated on-chain: a withdraw that would leave the obligation under-collateralized for outstanding debt reverts.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate destructive and idempotent behavior. The description adds specifics: the error when no deposit exists, health-factor gating on-chain, requirement of a durable nonce, and same blind-sign treatment as prepare_kamino_supply. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three sentences, front-loaded with purpose, each sentence adds value (purpose, error condition, health gate and nonce requirement). No superfluous information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's nature (building a transaction with 3 required params), the description covers purpose, error handling, health-factor constraint, nonce requirement, and signing treatment. It references the sibling for consistency. No output schema, but the description adequately sets expectations.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3. The description adds the durable nonce requirement, which is not in the schema. While the schema already describes each parameter, the description provides additional behavioral context beyond parameter-specific details.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'build a Kamino withdraw tx' and the resource 'Kamino withdraw', explaining it pulls liquidity from a previously-supplied reserve. It distinguishes from siblings by referencing prepare_kamino_supply and noting the error condition if no deposit exists.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies when to use (to withdraw liquidity) and provides context about error conditions and health-factor gating. However, it does not explicitly compare to alternatives like borrowing or repaying, though the tool name and sibling set make this clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_lido_stakeA
DestructiveIdempotent

Build an unsigned Lido stake transaction (wraps ETH into stETH via stETH.submit). The tx's value field is the ETH amount to stake.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
amountEthYesHuman-readable ETH amount, NOT raw wei. Example: "0.5" for 0.5 ETH.

TDQS

A3.9/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description reveals that the output is an unsigned transaction and specifies the contract interaction (stETH.submit). Annotations indicate destructive (writes) and idempotent, which the description aligns with. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, 22 words. The first sentence states the core action, the second clarifies the value field. No unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema is present, and the description does not describe the return value format or structure. For an unsigned transaction builder, the agent may need to know the transaction object shape. The description is sufficient but not fully complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 50% coverage (amountEth has a description; wallet lacks one). The description adds that amountEth is human-readable (but schema already states that). No new semantics for wallet beyond the pattern.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description explicitly states the tool's action: building an unsigned Lido stake transaction that wraps ETH into stETH via stETH.submit. This clearly distinguishes it from sibling tools like prepare_lido_unstake or prepare_lido_unwrap.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies the tool is for staking ETH via Lido, but it does not provide explicit guidance on when to use it versus alternatives (e.g., other staking protocols). No when-not guidance is given.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_lido_unstakeA
DestructiveIdempotent

Build an unsigned Lido withdrawal request transaction. Wraps requestWithdrawals on the Lido Withdrawal Queue and includes an approve step if needed.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
amountStETHYesHuman-readable stETH amount, NOT raw wei. Example: "0.5" for 0.5 stETH (18 decimals).
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A3.8/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations provide destructiveHint=true and idempotentHint=true, but description adds that the transaction is unsigned and includes an optional approve step, which is important behavioral context. However, it does not detail the return value or authorization needs.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence that conveys the core action without any fluff. Every word contributes meaning.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite moderate complexity, the description lacks information about the return value (no output schema) and when the approve step is needed. This leaves the agent with incomplete context for using the tool effectively.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 67%, and the description adds no additional parameter details beyond what the schema provides. The schema already explains amountStETH and approvalCap well, so baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned Lido withdrawal request transaction, specifying the underlying function (requestWithdrawals) and mentioning the approve step. This distinguishes it from other Lido tools like prepare_lido_stake and prepare_lido_unwrap.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for unstaking Lido stETH but does not explicitly state when to use it versus alternatives like prepare_rocketpool_unstake or when not to use it. No exclusions or context for sibling differentiation.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_lido_unwrapA
DestructiveIdempotent

Build an unsigned wstETH.unwrap transaction that converts wstETH (non-rebasing) back into stETH (rebasing). No approval needed — burns wstETH from the caller's balance.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
amountWstETHYesHuman-readable wstETH amount to unwrap into stETH, NOT raw wei. Example: "0.5" for 0.5 wstETH (18 decimals).

TDQS

A4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description adds 'no approval needed' and 'burns wstETH from caller's balance' beyond annotations. Annotations already indicate destructive and idempotent, but description enriches behavioral context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single sentence, no fluff, efficient delivery of purpose and key behavioral trait.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, description covers purpose, mechanism, and safety (no approval). Missing details on stETH destination, but sufficient for a build-transaction tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 50% coverage; amountWstETH is well-described, wallet has no description. Overall description does not add parameter details beyond schema. Minimal extra value.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states it builds an unsigned wstETH.unwrap transaction converting wstETH to stETH. Specific verb and resource differentiate from siblings like prepare_lido_wrap.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Implies usage for converting wstETH to stETH, but lacks explicit guidance on when to use vs alternatives like prepare_lido_unstake. No direct mention of exclusion criteria.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_lido_wrapA
DestructiveIdempotent

Build an unsigned wstETH.wrap transaction that converts stETH (rebasing) into wstETH (non-rebasing). 1:1 by share count, no DEX fee. Includes an stETH approve step to the wstETH contract if needed.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
amountStETHYesHuman-readable stETH amount to wrap into wstETH, NOT raw wei. Example: "0.5" for 0.5 stETH (18 decimals).
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A3.9/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations mark it as destructive and idempotent. Description adds that it includes an approval step if needed, and explains the 1:1 share ratio, which informs about state changes and safety. Does not contradict annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, each essential. First states core action and key properties, second covers the approval step. No redundancy or fluff.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema; description omits return value (presumably an unsigned transaction object). For a builder tool, mention of output type would help. Annotations provide some behavioral context but completeness is medium.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers 2 of 3 parameters with descriptions (amountStETH, approvalCap). Description adds no extra parameter info. Wallet parameter lacks description but pattern is clear. With 67% schema coverage, baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states the tool prepares an unsigned wstETH.wrap transaction converting stETH to wstETH, with key details (1:1 share, no DEX fee, approval step). Distinct from siblings like prepare_lido_stake/unstake/unwrap.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Implied usage: when needing to convert stETH to wstETH. No explicit comparison to siblings (e.g., when to use prepare_lido_wrap vs prepare_lido_unwrap) or when-not-to-use. Lacks alternative guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_litecoin_native_sendA
DestructiveIdempotent

Build an unsigned Litecoin native-send PSBT. Same pipeline as prepare_btc_send: fetch UTXOs + fee rate, run coin-selection, build a PSBT v0 with nonWitnessUtxo populated on every input (Ledger app 2.x requirement). Initial release: source addresses must be native segwit (ltc1q…) or taproot (ltc1p…); recipients can be L/M/ltc1q/ltc1p (legacy 3-prefix P2SH refused on send because bitcoinjs-lib ties the scriptHash byte to a single network object). Returns a handle consumed by send_transaction, which signs over USB HID with the Litecoin app and broadcasts via the indexer.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesOne paired Litecoin source address (string), OR an array of 1-20 paired source addresses for multi-input consolidation (issue #264). All addresses must belong to the SAME Ledger account (same accountIndex + addressType). UTXOs are fetched in parallel and merged into one coin-selection pool. Initial release sends only support native segwit (`ltc1q...`) and taproot (`ltc1p...`) source addresses; legacy (`L...`) and P2SH-wrapped (`M.../3...`) sends are deferred.
toYesLitecoin recipient address. L/M/ltc1q/ltc1p accepted. Legacy 3-prefix P2SH is rejected on send (it's read-supported only) — ask the recipient for an M-prefix address.
amountYesDecimal LTC string (up to 8 fractional digits, e.g. "0.001") or "max" to sweep the full balance minus fees.
feeRateSatPerVbNoFee rate in litoshi/vB. Optional — when omitted, uses the indexer's halfHourFee recommendation.
rbfNoBIP-125 RBF. Default true.
allowHighFeeNo

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true. The description adds behavioral context: the tool fetches UTXOs, runs coin selection, builds a PSBT v0 with nonWitnessUtxo (Ledger requirement), and returns a handle for send_transaction. It also explains why legacy 3-prefix P2SH is rejected (bitcoinjs-lib limitation). No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise (four sentences), front-loaded with the primary purpose, and each sentence conveys essential information without redundancy. It efficiently covers pipeline, constraints, and return usage.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (6 parameters, no output schema), the description fully covers the lifecycle: fetching UTXOs, fee estimation, coin selection, PSBT building with Ledger-specific requirements, and the subsequent send_transaction step. It also explains address type restrictions and their rationale, making it complete for agent invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers 83% of parameters with descriptions. The description adds value beyond schema: for 'wallet', it clarifies that source addresses must be ltc1q or ltc1p in initial release; for 'to', it warns that legacy 3-prefix P2SH is rejected and advises using M-prefix; for 'feeRateSatPerVb', it states optional with default halfHourFee; for 'rbf', default true. 'allowHighFee' lacks extra context, slightly reducing completeness.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned Litecoin native-send PSBT, detailing the pipeline (fetch UTXOs, fee rate, coin selection, PSBT v0 with nonWitnessUtxo). It differentiates from sibling tools like prepare_btc_send by specifying Litecoin specifics and constraints (source addresses must be ltc1q or ltc1p, recipients exclude 3-prefix P2SH).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies when to use (for Litecoin native sends) by referencing the same pipeline as prepare_btc_send. It lists constraints such as address type restrictions and explicitly notes that 3-prefix P2SH recipients are refused. While it doesn't explicitly state when not to use alternatives, the Litecoin-specific focus provides sufficient guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_marginfi_borrowA
DestructiveIdempotent

Build an unsigned MarginFi BORROW tx against the user's supplied collateral. Pre-flight refuses if the account has zero free collateral. The SDK computes the required oracle-refresh instructions and the health-factor gate is enforced on-chain — but this tool is the right place to surface a clear error rather than burning SOL on a reverting tx. DURABLE NONCE + prepare_marginfi_init prerequisites identical to prepare_marginfi_supply. BLIND-SIGN on Ledger.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesBase58 Solana mainnet address (ed25519 pubkey, 43 or 44 chars).
symbolNoCanonical token symbol (USDC, SOL, USDT, JUP, BONK, JTO, mSOL, jitoSOL). The builder resolves this to the underlying mint; MarginFi treats SOL as wSOL internally with auto-wrap/unwrap. Pass `mint` instead if your token isn't in the canonical list.
mintNoBase58 SPL mint address. Used as an override or when the token isn't in the canonical SOLANA_TOKENS table. Exactly one of `symbol` or `mint` must be passed.
accountIndexNoMarginfiAccount slot (0 = first, 1 = second, ...). Most users stay on 0. Use a different index to segregate positions across multiple MarginfiAccounts owned by the same wallet.
amountYesHuman-readable decimal amount to borrow. Pre-flight refuses if the account has zero free collateral.

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate destructiveHint=true and idempotentHint=true. The description adds significant behavioral details: pre-flight check for free collateral, SDK computes oracle refreshes, health-factor gate enforced on-chain, and error surfacing. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise (three sentences) and front-loaded with the core action. Every sentence serves a purpose: defining the tool, stating pre-flight behavior, noting on-chain enforcement, and listing prerequisites. No redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity of a borrow transaction and the absence of an output schema, the description covers key aspects: what it builds, pre-flight, prerequisites, and Ledger signing. It does not explicitly state the return format (unsigned transaction), but the purpose implies it. Sibling tools are many, but the description sufficiently differentiates from other prepare_marginfi tools.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3. The description does not add much meaning beyond the schema's already detailed parameter descriptions (e.g., 'symbol' and 'mint' are well-documented). The description mentions 'human-readable decimal amount' but that's also in the schema. Minimal extra value.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned MarginFi BORROW transaction against supplied collateral. It specifies the action (borrow), protocol (MarginFi), and distinguishes from similar tools like prepare_marginfi_supply by noting identical prerequisites. The pre-flight condition for free collateral adds clarity.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides usage context: prerequisites (DURABLE NONCE + prepare_marginfi_init) are identical to prepare_marginfi_supply, and the tool surfaces clear errors instead of reverting on-chain. It mentions Ledger blind-sign, which guides signing. However, it does not explicitly state when not to use this tool versus alternatives like Kamino borrow.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_marginfi_initA
DestructiveIdempotent

One-time setup: build a tx that creates a deterministic MarginfiAccount PDA under the user's wallet on MarginFi mainnet. Uses marginfi_account_initialize_pda so only the wallet (authority + fee_payer) signs — no ephemeral keypair required, Ledger-compatible. PDA seeds are ["marginfi_account", group, wallet, accountIndex, 0], with accountIndex defaulting to 0. After broadcast, prepare_marginfi_supply / withdraw / borrow / repay for this wallet will use this MarginfiAccount automatically. COST: ~0.01698 SOL rent-exempt minimum (for the 2312-byte PDA) + ~0.000005 SOL tx fee. The rent is PAID FROM THE USER WALLET DIRECTLY (not via an ephemeral keypair) and is reclaimable when the MarginfiAccount is closed. Surface this cost to the user before they approve on Ledger — the blind-sign screen only shows a Message Hash, so the user has no on-device check of the balance delta. DURABLE NONCE REQUIRED: this tx carries ix[0] = nonceAdvance (same pattern as every other Solana send in this server), so the wallet must have run prepare_solana_nonce_init first; otherwise this tool errors with a clear pointer. BLIND-SIGN on Ledger (MarginFi's program ID is not in the Solana app's clear-sign registry) — the user matches the Message Hash on-device after preview_solana_send. Refuses if a MarginfiAccount already exists at the derived PDA.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet that will own the MarginfiAccount PDA. The account is deterministic — seeds (marginfi_account, group, authority, accountIndex, third_party_id=0) produce the same PDA every time. Only the user (authority + fee_payer) signs; no rent-exempt seed is moved (this is a PDA, not a fresh account).
accountIndexNoAccount slot (default 0). Pass a different index to init a second MarginfiAccount under the same wallet.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description fully discloses behavior: uses marginfi_account_initialize_pda, PDA seeds, cost details (rent-exempt minimum + tx fee), rent refundability, durable nonce requirement, Ledger blind-sign, and error condition. Annotations (readOnlyHint=false, destructiveHint=true, idempotentHint=true) are consistent with the description; no contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is packed with useful information but is somewhat lengthy. However, it is well-structured: purpose first, then details, cost, prerequisites, and error conditions. Every sentence adds value, so it earns a 4.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity of the tool (Solana PDA initialization with Ledger and nonce), the description covers purpose, mechanics, cost, prerequisites, device compatibility, and error conditions. No output schema exists, but the description sufficiently informs the agent of all needed context.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%. The description adds meaning beyond the schema by explaining the deterministic PDA seeds, default accountIndex, and that wallet is both authority and fee_payer. This provides useful context beyond the basic parameter descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds a transaction to create a deterministic MarginfiAccount PDA on MarginFi mainnet. It uses specific verbs ('build a tx that creates') and identifies the resource, and distinguishes from sibling tools by noting it is a one-time setup.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly says this is a one-time setup required before supply/borrow/repay/withdraw, that it requires a durable nonce, and that it refuses if the account already exists. It also addresses Ledger compatibility and blind-sign requirements, providing clear when-to-use and prerequisite guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_marginfi_repayA
DestructiveIdempotent

Build an unsigned MarginFi REPAY tx against outstanding debt in the named bank. Pass repayAll: true to repay the full outstanding debt (also clears the balance slot). DURABLE NONCE + prepare_marginfi_init prerequisites identical to prepare_marginfi_supply. BLIND-SIGN on Ledger.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesBase58 Solana mainnet address (ed25519 pubkey, 43 or 44 chars).
symbolNoCanonical token symbol (USDC, SOL, USDT, JUP, BONK, JTO, mSOL, jitoSOL). The builder resolves this to the underlying mint; MarginFi treats SOL as wSOL internally with auto-wrap/unwrap. Pass `mint` instead if your token isn't in the canonical list.
mintNoBase58 SPL mint address. Used as an override or when the token isn't in the canonical SOLANA_TOKENS table. Exactly one of `symbol` or `mint` must be passed.
accountIndexNoMarginfiAccount slot (0 = first, 1 = second, ...). Most users stay on 0. Use a different index to segregate positions across multiple MarginfiAccounts owned by the same wallet.
amountYesHuman-readable decimal amount to repay against outstanding debt in this bank.
repayAllNoSet true to repay the full outstanding debt in this bank (SDK also clears the balance slot — cheaper for the user if they're closing out). Omit for partial.

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructive and idempotent. Description adds that it builds an unsigned tx, mentions blind-sign on Ledger, and details repayAll behavior (clears balance slot). No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three sentences, front-loaded with core purpose. Each sentence provides essential information without redundancy. Highly efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema, but description clearly states return is an unsigned transaction. Covers prerequisites, parameter behavior, and Ledger consideration. Complete for a transaction-building tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with good descriptions. Description adds meaning: explains symbol resolution to mint, SOL treated as wSOL, repayAll clears slot and is cheaper. Adds value beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned MarginFi REPAY transaction against outstanding debt, with specific verb 'repay' and resource 'MarginFi bank'. It distinguishes from siblings by referencing 'prepare_marginfi_supply' for prerequisite pattern.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit prerequisites (durable nonce, prepare_marginfi_init) and guidance on repayAll (clears balance slot, cheaper for closing). However, lacks explicit when-not-to-use vs other marginfi tools like borrow or withdraw.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_marginfi_supplyA
DestructiveIdempotent

Build an unsigned MarginFi SUPPLY tx for a given bank (by symbol or mint). Supplies the specified amount of the underlying token into the user's MarginfiAccount position in that bank, earning the bank's supply APY. DURABLE NONCE REQUIRED + prepare_marginfi_init must have run first; otherwise this tool errors. Pre-flight: bank-pause check; invalid-mint check (MarginFi only lists a subset of SPL tokens). Uses v0 VersionedTransaction + MarginFi group ALTs for compact wire size. BLIND-SIGN on Ledger — match the Message Hash on-device after preview_solana_send.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet executing the supply. Must have an initialized MarginfiAccount (run prepare_marginfi_init first) AND a durable-nonce account (prepare_solana_nonce_init).
symbolNoCanonical token symbol (USDC, SOL, USDT, JUP, BONK, JTO, mSOL, jitoSOL). The builder resolves this to the underlying mint; MarginFi treats SOL as wSOL internally with auto-wrap/unwrap. Pass `mint` instead if your token isn't in the canonical list.
mintNoBase58 SPL mint address. Used as an override or when the token isn't in the canonical SOLANA_TOKENS table. Exactly one of `symbol` or `mint` must be passed.
accountIndexNoMarginfiAccount slot (0 = first, 1 = second, ...). Most users stay on 0. Use a different index to segregate positions across multiple MarginfiAccounts owned by the same wallet.
amountYesHuman-readable decimal amount to supply (e.g. "1.5" for 1.5 USDC). Decimals resolved from the bank's mint — do NOT pass raw base units.

TDQS

A5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructive and idempotent. Description adds technical details: uses v0 VersionedTransaction, MarginFi group ALTs for compact wire size, and blind-sign on Ledger. No contradiction with annotations. This goes beyond annotations to warn about ledger signing and transaction type.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is a single paragraph that efficiently covers purpose, prerequisites, technical details, and parameter hints. Every sentence is informative without redundancy. Front-loaded with the core action.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (5 params, no output schema), the description covers all necessary aspects: prerequisites, usage conditions, technical behavior, parameter semantics, and ledger interaction. It is complete for an agent to invoke correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

All 5 parameters have schema descriptions (100% coverage). Description adds context: wallet must have initialized MarginfiAccount and nonce; symbol lists canonical tokens and explains SOL/wSOL handling; mint explains override; accountIndex explains position segregation; amount clarifies human-readable format and decimal resolution. This adds significant value beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned MarginFi SUPPLY transaction for a given bank, specifying the action, resource, and outcome. It distinguishes from sibling tools like prepare_marginfi_borrow and prepare_marginfi_withdraw by focusing on supply and mentioning earning supply APY.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states prerequisites: durable nonce required and prepare_marginfi_init must run first. Provides pre-flight checks and guidance on when to use symbol vs mint. Includes blind-signing instructions, which helps the agent avoid errors.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_marginfi_withdrawA
DestructiveIdempotent

Build an unsigned MarginFi WITHDRAW tx. Withdraws the specified amount (or ALL, via withdrawAll: true) from the user's supplied position in the named bank. Pre-flight refuses if the account has zero free collateral (the withdraw would push the health factor below the maintenance threshold — the on-chain tx would revert). DURABLE NONCE + prepare_marginfi_init prerequisites identical to prepare_marginfi_supply. BLIND-SIGN on Ledger.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesBase58 Solana mainnet address (ed25519 pubkey, 43 or 44 chars).
symbolNoCanonical token symbol (USDC, SOL, USDT, JUP, BONK, JTO, mSOL, jitoSOL). The builder resolves this to the underlying mint; MarginFi treats SOL as wSOL internally with auto-wrap/unwrap. Pass `mint` instead if your token isn't in the canonical list.
mintNoBase58 SPL mint address. Used as an override or when the token isn't in the canonical SOLANA_TOKENS table. Exactly one of `symbol` or `mint` must be passed.
accountIndexNoMarginfiAccount slot (0 = first, 1 = second, ...). Most users stay on 0. Use a different index to segregate positions across multiple MarginfiAccounts owned by the same wallet.
amountYesHuman-readable decimal amount to withdraw. Pre-flight refuses if the withdraw would push the health factor below the maintenance threshold.
withdrawAllNoSet true to close the entire supplied position in this bank (lets the SDK pass the `withdraw_all` on-chain flag so the bank clears the balance slot). Omit for partial.

TDQS

A4.8/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and readOnlyHint=false, so mutation is expected. The description adds value by disclosing pre-flight refusal behavior, the condition for withdrawal (positive free collateral), and the blind-sign requirement on Ledger. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three concise sentences covering purpose, pre-flight behavior, prerequisites, and blind-sign. Every sentence adds value, front-loaded with the core action.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description adequately covers all needed context: what the tool does, failure conditions, prerequisites, special parameter behavior (withdrawAll, blind-sign). Sufficient for an agent to select and invoke correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% but the description adds meaningful context: 'withdrawAll' closes the position, 'amount' is human-readable and pre-flight checked, accountIndex allows segregation, symbol/mint resolution with auto-wrap for SOL. These details surpass schema descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states it builds an unsigned MarginFi WITHDRAW transaction, specifying the action (withdraw from supplied position in a named bank) and differentiating from siblings like prepare_marginfi_supply or prepare_marginfi_borrow via explicit 'WITHDRAW' label and details about withdrawAll.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly describes when to use (anytime a withdraw is needed) and when not to (pre-flight refusal if health factor too low, which would cause reversion). References prerequisites (durable nonce + init) and aligns with sibling tools like prepare_marginfi_supply, providing clear context for selection.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_marinade_stakeA
DestructiveIdempotent

Build an unsigned Marinade stake tx: deposit amountSol SOL into Marinade and receive mSOL (Marinade's liquid-staking token). Uses the Marinade SDK's marinade.deposit so the on-chain Authorized signer is the user's wallet — no ephemeral keypair, Ledger-compatible. The mSOL ATA is created automatically on first stake (~0.002 SOL ATA rent, reclaimable). DURABLE NONCE REQUIRED — the wallet must have run prepare_solana_nonce_init first; otherwise this tool errors. BLIND-SIGN on Ledger (Marinade's program is not in the Solana app's clear-sign registry) — match the Message Hash on-device after preview_solana_send.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet that funds the deposit and receives mSOL. Must have an initialized durable-nonce account (prepare_solana_nonce_init) and enough SOL to cover the deposit + ATA rent (if mSOL ATA doesn't exist) + tx fee.
amountSolYesHuman-readable SOL amount to stake (e.g. "1.5"). Decimals are SOL-native (9 dec); the builder rounds down to lamport precision.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses key behaviors beyond annotations: transaction is unsigned, uses marinade.deposit, no ephemeral keypair, ATA auto-created with reclaimable rent, durable nonce required, blind-sign on Ledger. No contradiction with annotations (destructiveHint=true, readOnlyHint=false).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is brief yet comprehensive: three sentences covering purpose, key behavioral details, and prerequisites. No redundant information; every sentence serves a purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (durable nonce, Ledger blind-sign, ATA rent) and no output schema, the description covers all essential aspects: operation, prerequisites, side effects, and user actions. Completely informs the agent for correct invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, but the description adds significant context: wallet funds deposit and receives mSOL, requires nonce init and enough SOL for rent+tx fee; amountSol is human-readable with rounding. This complements the schema effectively.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned Marinade stake transaction, depositing SOL and receiving mSOL. It uses specific verb 'deposit' and resource 'SOL into Marinade', distinguishing it from sibling staking tools like prepare_jito_stake and prepare_lido_stake.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly requires a durable nonce via prepare_solana_nonce_init, warns about blind-sign on Ledger, and mentions automatic ATA creation. While it lacks explicit when-not-to-use or alternative tools, the prerequisites and wallet setup conditions are clearly stated.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_marinade_unstake_immediateA
DestructiveIdempotent

Build an unsigned Marinade IMMEDIATE liquid-unstake tx: burn amountMSol mSOL and receive SOL in the same tx via Marinade's liquidity pool (NOT delayed-unstake / OrderUnstake — that flow returns full SOL after one epoch but requires an ephemeral ticket-account signer the Ledger-only signing model can't provide; tracked as a follow-up). The pool charges a small fee (typically 0.3% — varies with pool depth) in exchange for instant liquidity. DURABLE NONCE REQUIRED + same Ledger signing constraints as prepare_marinade_stake. BLIND-SIGN on Ledger.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet that burns mSOL and receives SOL. Must have an initialized durable-nonce account and an mSOL position to unstake from. Liquid unstake routes through Marinade's liquidity pool (NOT delayed-unstake / OrderUnstake) so the user pays a small fee but receives SOL in the same tx — no one-epoch wait.
amountMSolYesHuman-readable mSOL amount to unstake (e.g. "1.5"). Builder converts to mSOL base units (9 dec) and rounds down.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds significant behavioral context beyond the annotations: it's an unsigned transaction, immediate, involves a fee, requires durable nonce and blind-sign on Ledger. No contradiction with annotations; destructiveHint is appropriate.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise, packing essential information into a few sentences. It is front-loaded with the core action and efficiently conveys constraints and alternatives.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers the tool's purpose, constraints, and alternatives. It does not explain the return value format, but as a 'prepare' tool, the output (unsigned tx) is implied. The context is complete for an agent to select and invoke correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 100% schema coverage, baseline is 3. The description adds value by specifying that wallet must have an initialized durable-nonce account and mSOL position, and that amountMSol is human-readable with rounding down.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned immediate liquid-unstake transaction, burning mSOL for SOL via Marinade's liquidity pool. It explicitly distinguishes from delayed unstake, making the purpose unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit when-to-use guidance: for immediate unstaking via liquidity pool, and contrasts with delayed unstake which is unsuitable for Ledger-only signing. It also notes required durable nonce and Ledger constraints.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_morpho_borrowB
DestructiveIdempotent

Build an unsigned Morpho Blue borrow transaction. Requires pre-existing collateral in the market.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain Morpho Blue is deployed on. Currently only ethereum is enabled.ethereum
marketIdYesMorpho Blue market id — 32-byte hex (0x + 64 hex chars). Identifies the market's (loanToken, collateralToken, oracle, irm, lltv) tuple. Discover via get_morpho_positions.
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "10" for 10 USDC. Pass "max" for full-balance withdraw/repay.

TDQS

B3.1/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already mark destructiveHint as true; description adds that the output is an unsigned transaction and requires collateral. This provides moderate context beyond annotations, but lacks details like error conditions or side effects.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is two sentences, front-loaded with the action, and no extraneous information. Efficient but could be slightly more precise about output.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite good schema coverage, the tool is complex (borrow transaction preparation) with no output schema. Description fails to mention the output format or that the unsigned transaction needs to be signed/sent, leaving an agent potentially underinformed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

All parameters have descriptions in the schema (100% coverage), so the description adds minimal value. The amount field has an example, but this is already present in the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it builds an unsigned Morpho Blue borrow transaction, differentiating it from sibling tools like prepare_morpho_supply or prepare_morpho_repay. The prerequisite of pre-existing collateral adds context.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No explicit guidance on when to use this tool versus alternatives. While the mention of required collateral is a precondition, it doesn't help an agent decide between borrow, supply, or other morpho operations.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_morpho_repayA
DestructiveIdempotent

Build an unsigned Morpho Blue repay transaction. Includes an approve step if needed. Explicit amount only — "max" is not supported.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain Morpho Blue is deployed on. Currently only ethereum is enabled.ethereum
marketIdYesMorpho Blue market id — 32-byte hex (0x + 64 hex chars). Identifies the market's (loanToken, collateralToken, oracle, irm, lltv) tuple. Discover via get_morpho_positions.
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "10" for 10 USDC. Pass "max" for full-balance withdraw/repay.
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A3.9/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses that the transaction includes an approval step if needed, adding context beyond the annotations (readOnlyHint=false, destructiveHint=true). It also reinforces the idempotent nature noted in annotations. No contradiction with annotations exists.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise with three clear statements. It front-loads the main purpose, then adds relevant details. Every sentence provides value, though the first sentence could be more specific to differentiate from other prepare tools.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (5 parameters, 3 required) and full schema coverage, the description is adequate. It explains the approval step and amount limitation but does not describe the output (unsigned transaction) or prerequisites (e.g., wallet connection, chain). Without an output schema, some guidance on expected return would improve completeness.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

While the schema has 100% description coverage, the tool description explicitly states 'max is not supported', which directly contradicts the schema's description for the 'amount' parameter that says 'Pass max for full-balance withdraw/repay'. This inconsistency harms clarity and reduces the value added by the description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the specific action 'Build an unsigned Morpho Blue repay transaction' and includes a key constraint ('Explicit amount only — max is not supported'). It distinguishes itself from sibling tools like prepare_morpho_borrow and prepare_morpho_supply by explicitly naming 'repay'.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides clear guidance on when to use the tool (for repay actions) and highlights a critical limitation ('max is not supported'). However, it does not explicitly contrast with alternative tools (e.g., when to use prepare_morpho_borrow instead), though the sibling tool names make the distinction obvious.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_morpho_supplyA
DestructiveIdempotent

Build an unsigned Morpho Blue supply transaction — deposits the market's loan token to earn lending yield. Market params (loan/collateral tokens, oracle, IRM, LLTV) are resolved on-chain from the market id, so only wallet/marketId/amount are required. If the wallet's current allowance is insufficient, an ERC-20 approve tx is emitted first (chainable via .next); control the cap with approvalCap (defaults to unlimited for UX, pass 'exact' or a decimal ceiling to scope it). Returns a handle + preview for Ledger signing.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain Morpho Blue is deployed on. Currently only ethereum is enabled.ethereum
marketIdYesMorpho Blue market id — 32-byte hex (0x + 64 hex chars). Identifies the market's (loanToken, collateralToken, oracle, irm, lltv) tuple. Discover via get_morpho_positions.
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "10" for 10 USDC. Pass "max" for full-balance withdraw/repay.
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Goes beyond annotations: discloses that an ERC-20 approve tx may be emitted first, explains approvalCap behavior, and mentions returns a handle+preview for Ledger signing. No contradiction with annotations (destructiveHint=true consistent with write).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Four well-structured sentences with key info front-loaded. No redundancy; every sentence adds value. Efficient and clear.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers essential aspects for a transaction-building tool. Lacks explicit mention of return value shape (only mentions 'handle + preview'), but sufficient given no output schema and many sibling tools.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Adds significant meaning beyond schema: clarifies amount is human-readable (not wei), 'max' for full balance, and provides detailed guidance on approvalCap options. Schema coverage is 100%, but description enhances usability.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned Morpho Blue supply transaction, depositing the market's loan token to earn lending yield. It distinguishes from sibling tools like prepare_morpho_borrow by specifying supply verb and market context.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly describes when to use (supply to Morpho Blue), mentions prerequisite allowance handling and chain limitation (only ethereum). Lacks explicit exclusions or alternatives, but adequate for selection among many siblings.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_morpho_supply_collateralA
DestructiveIdempotent

Build an unsigned Morpho Blue supplyCollateral transaction — adds collateral to a market. Includes an approve step if needed.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain Morpho Blue is deployed on. Currently only ethereum is enabled.ethereum
marketIdYesMorpho Blue market id — 32-byte hex (0x + 64 hex chars). Identifies the market's (loanToken, collateralToken, oracle, irm, lltv) tuple. Discover via get_morpho_positions.
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "10" for 10 USDC. Pass "max" for full-balance withdraw/repay.
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations declare destructiveHint=true (state mutation) and readOnlyHint=false, so the agent knows this is a write operation. The description adds that it includes an 'approve step if needed', which is a key behavioral detail not in annotations. It could detail more (e.g., what gets destroyed), but the annotation safety profile is already clear.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two sentences: first states the core action, second adds the critical 'approve step' detail. No wasted words, front-loaded with key purpose. Every sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a transaction-building tool with 100% schema coverage and annotations, the description is sufficient. It explains what the tool does and a key behavior (approve step). However, it does not clarify the difference between 'supplyCollateral' and 'supply' (which may supply loan assets), which could cause confusion given many similar sibling tools. Still, the name and description together are adequate for an agent familiar with Morpho Blue.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so the schema already documents all 5 parameters well with human-readable descriptions. The tool description does not add new meaning beyond naming the action; it mentions 'human-readable decimal amount' and 'approve step' but these are already covered in schema. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned Morpho Blue supplyCollateral transaction that adds collateral to a market. It uses specific verbs ('build', 'adds') and identifies the resource ('Morpho Blue supplyCollateral transaction'). This differentiates it from sibling tools like prepare_morpho_supply (which likely supplies loan tokens).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for collateral supply on Morpho Blue but does not explicitly state when to use this versus siblings like prepare_morpho_supply. There is no guidance on prerequisites or fallback tools. The usage context is implied by the tool name and description but lacks explicit 'when-not' or alternative recommendations.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_morpho_withdrawA
DestructiveIdempotent

Build an unsigned Morpho Blue withdraw transaction (withdraws supplied loan token). Explicit amount only — "max" is not supported; query your position first.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain Morpho Blue is deployed on. Currently only ethereum is enabled.ethereum
marketIdYesMorpho Blue market id — 32-byte hex (0x + 64 hex chars). Identifies the market's (loanToken, collateralToken, oracle, irm, lltv) tuple. Discover via get_morpho_positions.
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "10" for 10 USDC. Pass "max" for full-balance withdraw/repay.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds context beyond annotations by specifying the transaction is unsigned, the token type (supplied loan token), and the constraint on amount ('max' not supported). No contradiction with annotations is present.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is highly concise, using a single sentence plus a clarifying note. It front-loads the core purpose, making it immediately actionable without any redundant information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity and lack of output schema, the description covers essential aspects: purpose, amount constraint, and a hint to query positions. It could mention the need to send the transaction afterwards, but the description is largely sufficient.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 100% schema coverage, the description still adds value by clarifying that 'max' is not supported and suggesting to query positions for the marketId, enhancing the schema's details.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states the tool builds an unsigned Morpho Blue withdraw transaction for a supplied loan token, clearly distinguishing it from sibling tools like prepare_morpho_borrow or prepare_morpho_supply.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It explicitly warns that 'max' is not supported and advises querying positions first, providing clear when-to-use guidance. However, it could explicitly mention alternatives for max withdrawals, such as using a different tool or manual calculation.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_morpho_withdraw_collateralA
DestructiveIdempotent

Build an unsigned Morpho Blue withdrawCollateral transaction — removes collateral from a market to send back to the wallet. Only withdraws the exact amount specified; "max" is NOT supported because Morpho's isolated-market accounting doesn't expose a clean max-safe value without simulating against the market's oracle/LLTV (query get_morpho_positions first to know your deposited collateral). Will revert on-chain if the withdrawal would push the position below the liquidation threshold. No approval step needed. Returns a handle + preview for Ledger signing.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes0x-prefixed EVM wallet address (40 hex chars) that will execute this action.
chainNoEVM chain Morpho Blue is deployed on. Currently only ethereum is enabled.ethereum
marketIdYesMorpho Blue market id — 32-byte hex (0x + 64 hex chars). Identifies the market's (loanToken, collateralToken, oracle, irm, lltv) tuple. Discover via get_morpho_positions.
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "10" for 10 USDC. Pass "max" for full-balance withdraw/repay.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructive and idempotent, but the description adds details: it reverts on-chain if below liquidation threshold, no approval needed, and returns a handle+preview for Ledger signing. It explains why 'max' is not supported, which is behavioral context beyond annotations. No contradictions with annotations, but there is a contradiction with the schema's amount description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured with a clear first sentence stating the purpose, followed by important constraints and context. It is slightly verbose but still concise for the amount of information conveyed. Each sentence adds value, and the key points are front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (4 parameters, no output schema), the description covers all critical aspects: purpose, constraints, prerequisites (query positions), on-chain behavior, and return format. It is sufficiently complete for an agent to understand when and how to use the tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description adds crucial semantic information by clarifying that 'max' is not supported, overriding the schema's misleading suggestion. It reinforces that amount should be exact human-readable decimals. This adds value beyond the schema's parameter descriptions, though it creates a contradiction with the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned Morpho Blue withdrawCollateral transaction, specifying the action and resource. It distinguishes from siblings by focusing on collateral withdrawal and explicitly stating that 'max' is not supported, which contrasts with other withdraw tools. The verb 'build' and the target 'Morpho Blue withdrawCollateral' are specific.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly advises that 'max' is not supported and instructs to query get_morpho_positions first to know deposited collateral. It mentions that no approval step is needed, and implies that this tool is for withdrawing collateral, not borrowed assets (use prepare_morpho_withdraw). This provides clear when-to and when-not-to usage.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_native_sendC
DestructiveIdempotent

Build an unsigned native-coin send transaction (ETH on Ethereum/Arbitrum). Pass a human-readable amount like "0.5".

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
toYes
amountYesHuman-readable native-asset amount, NOT raw wei. Example: "0.5" for 0.5 ETH (or 0.5 MATIC on polygon).

TDQS

C2.7/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true. The description states it builds an unsigned transaction, implying no on-chain changes, which conflicts with destructiveHint. It does not clarify that the output must be signed and broadcast separately, leaving the agent uninformed about the full workflow.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two concise sentences with no fluff, efficiently conveying core purpose. However, the structure could benefit from listing parameters or output details given the tool's complexity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema, and the description omits what the tool returns (e.g., unsigned transaction hex) and how to proceed (signing/sending). Given three required parameters and four total, the description leaves significant gaps for an agent to use the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description only reinforces the amount parameter's human-readable format, but schema coverage is only 25% (only amount has schema description). It fails to explain wallet, to, or chain parameters, and incorrectly limits chains to Ethereum/Arbitrum while schema includes Polygon, Base, Optimism.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned native-coin send transaction, giving examples like ETH on Ethereum/Arbitrum. This distinguishes from token send or swap tools. However, it only mentions two chains while the schema includes five, slightly narrowing scope.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description gives minimal guidance: mentions passing a human-readable amount but does not explain when to use this tool versus alternatives like prepare_token_send or prepare_swap. No exclusions or prerequisites are provided.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_native_stake_deactivateA
DestructiveIdempotent

Build an unsigned native-stake deactivate tx. Initiates the one-epoch (~2-3 days) cooldown after which the stake becomes withdrawable; the stake earns no rewards during deactivation. Wallet must be the stake account's staker authority. After the cooldown lapses, run prepare_native_stake_withdraw to drain the account (or partial-withdraw to leave it open). DURABLE NONCE REQUIRED + same Ledger blind-sign treatment as prepare_native_stake_delegate. The on-chain stake program reverts if the stake is already deactivating/inactive — the simulation gate catches it.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet — must be the stake account's staker authority (the wallet that originally created the stake).
stakeAccountYesBase58 stake account address to deactivate. Discovery: call get_solana_staking_positions; the wallet's native stake accounts are listed under `native[].stakePubkey`. Deactivation takes one epoch (~2-3 days); the stake earns no rewards during the cooldown but stays non-withdrawable until it lapses.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (destructiveHint=true, idempotentHint=true), the description adds critical details: the one-epoch cooldown, no rewards during deactivation, requirement for durable nonce, same Ledger-blind-sign treatment as delegate, and that the on-chain program reverts if already deactivating but the simulation gate catches it. These enrich the agent's understanding significantly.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is front-loaded with the core action, then adds essential details in concise sentences. Every sentence provides value (timeline, prerequisites, error handling, next steps). No fluff or repetition.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity of staking deactivation (timing, authority, nonce, sibling tools), the description covers all necessary context: prerequisites, behavior, failure modes, and subsequent step. No output schema exists, but the tool's output (unsigned tx) is implied and sufficient. The description is complete for agent decision-making.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and both parameter descriptions already explain the purpose and constraints. The description repeats some of that information but does not add new meaning beyond what the schema provides. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states the verb 'Build an unsigned native-stake deactivate tx' and the resource (native stake deactivation). It distinguishes from siblings by referencing prepare_native_stake_withdraw for the next step and comparing Ledger handling to prepare_native_stake_delegate. The purpose is specific and unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Description provides explicit guidance: use when stake is active and not already deactivating/inactive; prerequisites (wallet must be staker authority, durable nonce required); when not to use (already deactivating leads to revert, caught by simulation). It explicitly mentions the alternative tool to use after cooldown (prepare_native_stake_withdraw).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_native_stake_delegateA
DestructiveIdempotent

Build an unsigned native-stake-program tx that creates a fresh stake account at a deterministic address (derived per (wallet, validator) via createAccountWithSeed) and delegates it to the given validator vote account. Funds the stake account with amountSol SOL of active principal PLUS a ~0.00228 SOL rent-exempt seed (reclaimable on full withdraw). Authority is the user's wallet for both staker + withdrawer roles — no separate authority handoff is supported in this server. DURABLE NONCE REQUIRED. Refuses if a stake account already exists at the deterministic address (the user almost certainly meant prepare_native_stake_deactivate / withdraw on the existing position). BLIND-SIGN on Ledger by default — match the Message Hash on-device. To pick a validator, call list_solana_validators first.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet that funds the stake account and becomes its staker + withdrawer authority. Must have an initialized durable-nonce account (prepare_solana_nonce_init) and enough SOL to cover the stake amount + rent-exempt seed (~0.00228 SOL) + tx fee. Refuses if a stake account already exists at the deterministic address for this (wallet, validator).
validatorYesVote-account address (NOT validator identity) of the validator to delegate to. Solana's stake program delegates to vote accounts, which validators publish alongside their identity. Use a Solana explorer to find the vote account for a chosen validator.
amountSolYesHuman-readable SOL amount to stake (e.g. "1.5"). Decimals are SOL-native (9). The actual lamports moved from the wallet are this value PLUS the stake account rent-exempt minimum (~0.00228 SOL); the rent-exempt floor is reclaimable on full withdraw after deactivation.

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true, but the description adds critical context: funding includes rent-exempt seed, authority is user's wallet (no handoff), blind-sign default on Ledger, deterministic address derivation. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single dense paragraph, front-loaded with main purpose, then details. Each sentence contributes info, but could benefit from better structure (e.g., bullet points). Efficient, but slightly packed.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers most aspects (funding, authority, nonce, refusal, blind-sign, validator selection) but lacks output format description (e.g., what the unsigned tx looks like) and post-processing steps (sign and send via other tools). For a complex tool, this is a gap.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with descriptions, but the description adds valuable nuance: wallet must have durable nonce and enough SOL for stake + rent + fee, validator is vote account (not identity), amountSol includes rent-exempt. Adds meaning beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb ('Build an unsigned native-stake-program tx'), the resource ('fresh stake account'), and the action ('creates... and delegates'). It distinguishes itself from sibling tools like prepare_native_stake_deactivate and prepare_native_stake_withdraw by mentioning the refusal logic when a stake account already exists.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use (initial delegation), when not to (if stake account exists, use deactivate/withdraw), and prerequisites (durable nonce required, wallet must have enough SOL, call list_solana_validators first). Provides clear context and exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_native_stake_withdrawA
DestructiveIdempotent

Build an unsigned native-stake withdraw tx. Pulls amountSol SOL (or 'max' for the full lamport balance) from an inactive stake account back into the wallet. 'max' closes the account and reclaims the rent-exempt seed; partial-withdraw leaves the account open. Stake MUST be inactive (one full epoch after deactivate) — on-chain reverts otherwise; the simulation gate catches it. DURABLE NONCE REQUIRED + same Ledger blind-sign treatment as prepare_native_stake_delegate.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet — must be the stake account's withdrawer authority + receives the SOL. (For stakes created via prepare_native_stake_delegate, wallet === staker === withdrawer; no authority handoff is supported in this server.)
stakeAccountYesBase58 stake account address to withdraw from. Stake must be inactive (one full epoch after prepare_native_stake_deactivate). On-chain reverts if the stake is still cooling down — the simulation gate catches it.
amountSolYesHuman-readable SOL amount to withdraw (e.g. "1.5"), OR the literal string "max" to withdraw the full lamport balance (closes the stake account and reclaims the rent-exempt seed). Partial withdraws leave the account open with a smaller balance.

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (destructiveHint, readOnlyHint), the description adds key behaviors: 'max' closes the account and reclaims rent-exempt seed, partial withdrawals leave it open; the stake must be inactive; durable nonce required; same Ledger treatment as delegate. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise, using only four sentences to convey all key information without fluff. It front-loads the purpose and packs behavioral details, prerequisites, and parameter clarifications efficiently.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the three parameters, no output schema, and existing annotations, the description covers all necessary context: tool action, behavioral nuances, prerequisites (inactive stake, durable nonce), and parameter special values ('max'). It also mentions error handling (simulation gate). No gaps for an AI agent to use the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema already provides detailed descriptions for all three parameters (100% coverage). The description adds valuable context: clarifies that 'max' closes the account, explains the wallet must be the withdrawer authority, and reinforces the inactivity condition for stakeAccount. This enhances parameter meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned native-stake withdraw transaction, distinguishing between closing the account ('max') and partial withdrawal. It specifies the source (inactive stake account) and destination (wallet). This clearly differentiates it from siblings like prepare_native_stake_delegate or prepare_native_stake_deactivate.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly states that the stake must be inactive (one full epoch after deactivate) and mentions the simulation gate catches errors. It also notes that a durable nonce is required and the Ledger blind-sign treatment is the same as prepare_native_stake_delegate. While it doesn't list all alternatives, it gives clear prerequisites and readiness conditions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_revoke_approvalA
DestructiveIdempotent

Build an unsigned approve(spender, 0) transaction that revokes the allowance the wallet previously granted to spender on token. Pre-flight check refuses when the live allowance is already 0 — that call would burn gas for nothing, and almost certainly means the user named the wrong (token, spender) pair. Resolves a friendly spender label from the canonical CONTRACTS table when one matches (Aave V3 Pool, Uniswap V3 SwapRouter02, Lido stETH, Compound V3 cUSDCv3, Morpho Blue, etc.) so the description + Ledger preview reads as "Revoke USDC allowance for Aave V3 Pool (0x...)" instead of a raw hex address. Description includes the previous allowance amount so the user sees what's being zeroed out. EVM-only — TRC-20 has the same approve(spender, value) shape but its prepare path runs through the TRON builder pipeline; surface in a prepare_tron_trc20_revoke if asked. Pair with the read-side get_token_allowances to enumerate what's currently approved.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesEVM wallet that owns the existing allowance. Must be the address that originally called approve(spender, value); only the owner can set the allowance back to zero.
chainNoethereum
tokenYesERC-20 contract address. Must be the actual token contract — wrappers and aTokens have their own approval surfaces and aren't supported here.
spenderYesAddress whose allowance to revoke. Typically a protocol contract (Aave V3 Pool, Uniswap SwapRouter, etc.) or any EOA the user previously approved. Get the live list via the read-side allowances tool.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (destructiveHint, idempotentHint), the description adds crucial details: pre-flight check that refuses zero allowances, resolution of friendly spender labels, inclusion of previous allowance in description, and EVM-only constraint. This gives the agent a complete picture of the tool's behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured and concise, with each sentence adding unique value. It front-loads the core action, then covers pre-flight checks, label resolution, and TRC-20 distinction. No redundant or irrelevant information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (4 parameters, no output schema), the description is quite complete. It explains the output (unsigned transaction) and workflow, but could be slightly more explicit about the return structure (e.g., that it returns a transaction object). However, it covers the key aspects for an agent to use it correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema already provides good descriptions for wallet, token, and spender. The description adds value by explaining the label resolution for spender and that the tool includes the previous allowance in the preview. This enhances semantic understanding beyond the schema alone.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned approve(spender, 0) transaction to revoke an allowance. It specifies the resource (allowance on token for spender) and distinguishes from siblings by noting EVM-only and TRC-20 is handled by a different tool. The verb 'revoke' is specific and matches common user intent.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly advises pairing with get_token_allowances to list current approvals. It warns against using when the allowance is already 0, calling it a likely wrong pair. It also points to prepare_tron_trc20_revoke for TRC-20 tokens, providing clear alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_rocketpool_stakeA
DestructiveIdempotent

Build an unsigned Rocket Pool stake transaction (RocketDepositPool.deposit() payable, mints rETH at the current exchange rate). Ethereum mainnet only — rETH on L2s is bridged and cannot be deposit-and-mint. Preflights getMaximumDepositAmount() to refuse if the deposit pool is paused or at capacity.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
amountEthYesHuman-readable ETH amount to stake into Rocket Pool (mints rETH), NOT raw wei. Example: "0.5" for 0.5 ETH. Protocol minimum is ~0.01 ETH; the deposit pool also has a per-deposit capacity that we preflight-check.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (readOnlyHint=false, destructiveHint=true, idempotentHint=true), description reveals it calls deposit() payable, mints rETH, preflights getMaximumDepositAmount(), and builds an unsigned transaction. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with purpose, no redundancy. Every sentence provides essential information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

As a transaction builder, description explains the action and preflight behavior. Could be more explicit about the return value (unsigned tx data), but 'Build an unsigned transaction' sufficiently indicates output. No output schema, so description carries the burden well.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 50%: amountEth has a detailed description (human-readable ETH, example, min/capacity notes), wallet only has pattern. Description adds context for amountEth but not wallet. Compensates reasonably for the parameter description gap.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it builds an unsigned Rocket Pool stake transaction via deposit() payable to mint rETH. Specific verb+resource (prepare, stake) and distinguishes from siblings like prepare_rocketpool_unstake and other staking protocols.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states Ethereum mainnet only and that rETH on L2s must be bridged, not deposit-and-mint. Also mentions preflight check for pool availability, guiding when the tool should be used.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_rocketpool_unstakeA
DestructiveIdempotent

Build an unsigned Rocket Pool unstake transaction (rETH.burn(uint256), redeems rETH for ETH from on-protocol collateral). No approval needed — burn operates on caller's balance. Preflights wallet rETH balance and rETH contract collateral; if collateral is insufficient, refuses with a hint to unwind via the rETH/ETH Uniswap V3 pool instead.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
amountRethYesHuman-readable rETH amount to burn for ETH, NOT raw wei. Example: "0.5" for 0.5 rETH (18 decimals). Burning requires sufficient on-protocol ETH collateral (rETH contract balance + RocketDepositPool excess); if collateral is insufficient, sell rETH on the rETH/ETH Uniswap V3 pool instead via `prepare_uniswap_swap`.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses preflight behavior (rETH balance and collateral check), conditional failure with alternative hint, and mentions building an unsigned transaction. This adds context beyond annotations (destructiveHint, idempotentHint) without contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is two sentences, front-loaded with core purpose, and each sentence provides essential information (operation, no approval, preflight, alternative). No unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description sufficiently covers input parameters, behavior, and failure conditions. It integrates an alternative tool, making it self-contained for agent decision-making.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema covers one parameter (amountReth) with detailed description and example; the tool description reinforces it. The wallet parameter lacks schema description but is a standard address field, and the description doesn't add further. Coverage is 50%, so description partially compensates.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states the tool builds an unsigned Rocket Pool unstake transaction via rETH.burn, redeeming rETH for ETH from on-protocol collateral. It distinguishes from siblings like prepare_uniswap_swap by specifying no approval needed and preflight conditions.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit guidance: preflights balance and collateral, refuses if collateral insufficient, and directs to use prepare_uniswap_swap as an alternative. It also notes no approval is needed, clarifying when to use this tool.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_safe_tx_approveA
DestructiveIdempotent

Add an additional approveHash signature to a Safe (Gnosis Safe) transaction that's ALREADY in the queue (proposed elsewhere — Safe Web UI, another VaultPilot install, or a co-signer). Returns an UnsignedTx that calls Safe.approveHash(safeTxHash) for the given signer; broadcast via send_transaction, then call submit_safe_tx_signature to push the new signature to Safe Transaction Service. Use prepare_safe_tx_propose instead when you're proposing a NEW Safe tx.

ParametersJSON Schema
NameRequiredDescriptionDefault
signerYes
safeAddressYes
chainNoethereum
safeTxHashYes

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description reveals it returns an UnsignedTx that calls Safe.approveHash, consistent with annotations (destructiveHint=true). Adds procedural detail beyond annotations, but could elaborate on idempotency or error cases.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three focused sentences: purpose+condition, output+workflow, alternative. No wasted words, front-loaded with key info.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given complexity and lack of output schema, the description explains the tool's role, output type, and relationship to siblings. Could include more on prerequisites (like ensuring tx exists in queue), but sufficient for correct selection and use.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 0%, so description must compensate. It mentions signer and safeTxHash in context but does not explicitly describe each parameter. Chain default is stated elsewhere but not in description. Adequate but not thorough.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool adds an approveHash signature to an already queued Safe transaction. It uses specific verb 'Add', resource 'approveHash signature', and distinguishes from sibling tool prepare_safe_tx_propose.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use (tx already proposed elsewhere) and when not (use prepare_safe_tx_propose for new proposals). Also provides sequential workflow: broadcast via send_transaction then submit_safe_tx_signature.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_safe_tx_executeA
DestructiveIdempotent

Build the final on-chain execTransaction UnsignedTx that lands a Safe (Gnosis Safe) multisig payload. The executor doesn't need to have pre-approved on-chain — when msg.sender is an owner, the Safe contract treats their inline (r=msg.sender, s=0, v=1) signature as implicit consent. So one of the threshold "signatures" can be the executor themselves; the rest come from the on-chain approvedHashes registry filled by previous prepare_safe_tx_propose / prepare_safe_tx_approve calls. Refuses to build the tx when the threshold isn't met (which would just revert at execute time). Resolves the SafeTx body from the local store first, falling back to Safe Transaction Service. Returns an UnsignedTx the executor broadcasts via send_transaction — the OUTER tx sends 0 ETH (the inner value, if any, is paid by the Safe from its own balance during the inner CALL).

ParametersJSON Schema
NameRequiredDescriptionDefault
executorYes
safeAddressYes
chainNoethereum
safeTxHashYes

TDQS

A4.1/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Goes beyond annotations by detailing implicit consent, threshold check, fallback to Safe Transaction Service, and return value (UnsignedTx). No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is dense but could be more structured; front-loaded purpose but the paragraph mixes multiple concepts without clear separation.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Very complete: covers return format, failure mode, ETH flow, and fallback behavior. No output schema, but the description compensates well.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 0% schema coverage, description partially explains executor role and mentions other params implicitly, but does not individually document each parameter or provide format details beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an execTransaction UnsignedTx for Safe multisig execution, distinguishing it from sibling propose/approve tools by mentioning the flow.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explains when to use (after signatures via propose/approve) and implicit consent for executor, but does not explicitly list exclusions or compare to other siblings like submit_safe_tx_signature.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_safe_tx_proposeA
DestructiveIdempotent

Propose a new Safe (Gnosis Safe) multisig transaction. Wraps an inner action — either a previous prepare_*'s handle (recommended; pulls to/value/data from server-side state) OR raw to / value / data — into a SafeTx, computes its EIP-712 hash, and returns an UnsignedTx that calls Safe.approveHash(safeTxHash). The proposer broadcasts that approveHash via send_transaction; once mined, call submit_safe_tx_signature to post the proposal to Safe Transaction Service. Uses the on-chain approveHash flow (NOT off-chain eth_signTypedData_v4) — preserves the WalletConnect anti-Permit2-phishing scope. Default operation is CALL (0); DELEGATECALL (1) is high-risk and is flagged in the receipt.

ParametersJSON Schema
NameRequiredDescriptionDefault
signerYes
safeAddressYes
chainNoethereum
innerYes
nonceOverrideNo

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructive and idempotent behavior. The description adds important context: it explains the hash computation, the need for subsequent steps, and flags DELEGATECALL as high-risk. It does not contradict annotations and provides value beyond them.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is moderately long but well-structured, starting with purpose and then explaining details. Every sentence adds value, though it could be slightly trimmed without losing clarity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite lacking an output schema, the description explains the return type (UnsignedTx for approveHash) and the required subsequent steps (broadcast, submit_safe_tx_signature). It covers the tool's role in a multi-step process well, though it omits error conditions or edge cases.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema has 0% description coverage, so the description carries the burden. It explains the inner parameter's two forms (handle vs raw to/value/data), the operation default and risk, and implies nonceOverride's purpose. However, it does not detail signer, safeAddress, or chain beyond what is obvious from names.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it proposes a Safe multisig transaction, distinguishes from siblings by detailing the specific flow (on-chain approveHash vs off-chain), and mentions related steps like submit_safe_tx_signature. It also contrasts with off-chain signing, making the purpose unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides clear usage context: recommends using a handle from prepare_*, describes the flow from this tool to broadcast to submit_safe_tx_signature, warns about DELEGATECALL risk, and notes the on-chain flow. However, it does not explicitly contrast with the other Safe tx tools (approve, execute) or specify when not to use this tool.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_solana_lifi_swapA
DestructiveIdempotent

Build an unsigned LiFi-routed swap or bridge with Solana as the source chain. Returns a Solana v0 tx the user signs on Ledger. Two flows share this surface: (1) IN-CHAIN swap when toChain="solana" — LiFi internally routes through Jupiter / Orca / similar; consider prepare_solana_swap (Jupiter direct) as the more direct path for in-chain only. (2) CROSS-CHAIN bridge when toChain is an EVM chain — LiFi aggregates Wormhole, deBridge, Mayan, Allbridge. The Solana source tx confirms first; destination delivery happens after via the bridge protocol (typically 1-15 min). DURABLE NONCE REQUIRED. The builder rejects multi-tx routes (returned by some bridge variants) and multi-signer routes (which would need an ephemeral signer LiFi normally provides via its wallet adapter — Ledger-only signing can't supply it). Reverse direction (EVM → Solana) is not yet wired in this server; track as a follow-up. BLIND-SIGN on Ledger — match the Message Hash on-device after preview_solana_send.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana base58 wallet — funds the swap and signs the source tx. Must have an initialized durable-nonce account (prepare_solana_nonce_init).
fromMintYesSource token: SPL mint address (base58) or the literal string "native" to swap SOL (LiFi maps "native" to wrapped-SOL internally; the wrap ix is built into the route).
fromAmountYesRaw integer amount in base units (NOT decimal-adjusted). Decimals are the source token's decimals — e.g. 1 USDC (6 decimals) = '1000000', 1 SOL (9 decimals) = '1000000000'.
toChainYesDestination chain. "solana" runs an in-chain swap (LiFi routes through Jupiter / Orca / similar — consider prepare_solana_swap for the more direct path). EVM chains run a cross-chain bridge.
toTokenYesDestination token. SPL mint (base58) when toChain="solana"; 0x-prefixed EVM token address otherwise. "native" works on both (resolves to the chain's conventional native sentinel).
toAddressNoOptional destination wallet. Defaults to the source wallet for in-chain swaps. REQUIRED for cross-chain bridges since the Solana base58 source wallet won't be a valid EVM-chain recipient.
slippageBpsNoSlippage tolerance in basis points (50 = 0.5%). Omit for LiFi's default (0.5%). Cross-chain bridges may impose their own minimums above this.

TDQS

A4.5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds rich behavioral context beyond annotations: explains returned Solana v0 tx is blind-signed on Ledger, that source tx confirms first and delivery is async, and that builder rejects certain routes. Annotations (readOnlyHint=false, destructiveHint=true, idempotentHint=true) are consistent with this behavior, and no contradiction is present.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is fairly long and contains some redundant phrasing (e.g., multiple mentions of LiFi routing). While it is front-loaded with purpose, the length could be trimmed without losing essential information. Adequately structured but not maximally concise.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a complex tool with two flows, Ledger signing, and no output schema, the description comprehensively covers purpose, usage conditions (durable nonce, blind-sign), rejection cases, and references to related tools (`prepare_solana_swap`, `preview_solana_send`). It sufficiently equips an agent to invoke the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema itself has 100% description coverage, so baseline is 3. The description does not significantly enhance parameter understanding beyond the schema; it only provides high-level context (e.g., durable nonce for wallet, blind-sign). No new semantic depth is added.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned LiFi-routed swap or bridge with Solana as source chain. It distinguishes between in-chain swap (toChain='solana') and cross-chain bridge (toChain=EVM), and explicitly references the sibling tool `prepare_solana_swap` for the more direct in-chain path.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit guidance on when to use this tool vs `prepare_solana_swap`, warns that reverse direction is not yet wired, states durable nonce requirement, and explains rejection of multi-tx and multi-signer routes. This helps the agent decide correctly.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_solana_native_sendA
DestructiveIdempotent

Build an unsigned SOL native-transfer DRAFT via SystemProgram.transfer. Returns a compact preview + opaque handle — but does NOT yet serialize the message or fetch a blockhash (those happen in preview_solana_send, called right before send_transaction, to keep the ~60s blockhash validity window from being burned during user review). Run pair_ledger_solana once per session first so the Solana app is open and the device address is verified. Amount is in SOL (e.g. "0.5") or "max" for full balance minus fee + safety buffer. Priority fee is added dynamically only when getRecentPrioritizationFees p50 is above the congestion threshold. OPTIONAL MEMO: pass memo: "..." (≤256 UTF-8 bytes) to attach an SPL Memo program instruction (program id MemoSq4gqABAXKb96qnH8TysNcWxMyWCqXgDLGmfcHr) to the tx — common for invoice / payment-reference strings. The Ledger Solana app clear-signs Memo program calls and renders the UTF-8 string on-device alongside the transfer. AUTO NONCE SETUP: if the wallet has no durable-nonce account yet (first Solana send), this tool transparently bundles createAccountWithSeed + nonceInitialize ahead of the transfer in a single tx — costs an extra ~0.00144 SOL rent (reclaimable via prepare_solana_nonce_close), surfaced in the response (firstTimeNonceSetup: "true", rentLamports, description suffix). Subsequent sends are durable-nonce-protected and stay valid indefinitely on the device. The Ledger Solana app clear-signs SystemProgram.transfer + nonce-account ops (no blind-sign hash-match step needed for native sends).

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesBase58 Solana mainnet address (ed25519 pubkey, 43 or 44 chars).
toYes
amountYesHuman-readable SOL amount (up to 9 decimals). Example: "0.5" for 0.5 SOL. Pass "max" to send the full balance minus tx fee and a small safety buffer.
memoNoOptional UTF-8 memo (max 256 bytes after encode). When set, the tx appends an SPL Memo program instruction (`MemoSq4gqABAXKb96qnH8TysNcWxMyWCqXgDLGmfcHr`) carrying the bytes. The Ledger Solana app clear-signs Memo program calls, so no on-device support change is needed. Common use: invoice / payment-reference strings.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructive hint and idempotent hint. Description adds that it does not serialize or fetch blockhash to preserve blockhash validity, handles auto nonce setup, bundles transactions, and dynamically adds priority fee. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is fairly long but each sentence adds value. It is front-loaded with core purpose, then details prerequisites, amount details, priority fee, memo, nonce setup. Could be slightly more concise but earns its length.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers key aspects: returns preview + handle, not final tx, nonce setup costs, memo program, Ledger clear-signing. Lacks details about exact preview format but is sufficient for the intended use.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

All 4 parameters (wallet, to, amount, memo) are well-described in the schema with patterns and examples. Description adds extra semantics: amount can be 'max', memo max 256 bytes, and explains behavior for each.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states the tool builds an unsigned SOL native-transfer draft via SystemProgram.transfer, distinguishes from siblings like preview_solana_send and send_transaction, and specifies what it does not do (serialize or fetch blockhash).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says when to use (native SOL transfers), prerequisites (run pair_ledger_solana), and mentions the tool is part of a flow with preview_solana_send and send_transaction. It also provides alternatives and context for memo and nonce setup.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_solana_nonce_closeA
Destructive

Tear down a previously-initialized durable-nonce account and return its full balance (~0.00144 SOL) to the main wallet. ix[0] = SystemProgram.nonceAdvance (self-protecting, same pattern as any durable-nonce-protected send — so this close tx itself won't expire during Ledger review), ix[1] = SystemProgram.nonceWithdraw (drains the balance). After broadcast, subsequent sends from this wallet will refuse until prepare_solana_nonce_init is run again. Refuses if no nonce account exists for the wallet.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet whose durable-nonce account should be closed. The full balance (~0.00144 SOL rent-exempt seed) is returned to this same wallet.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Exceeds annotations by detailing the two instructions (nonceAdvance and nonceWithdraw), the exact balance returned, and the refusal condition for subsequent sends.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Four sentences, each adding essential context, but slightly verbose for a single-parameter tool. Still efficient and front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers preconditions, transaction structure, post-effects, and error case (refuses if no nonce). No gaps given no output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Adds value beyond schema: specifies the exact SOL amount returned and confirms the balance goes to the same wallet, which is not in the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool tears down a durable-nonce account and returns its balance, with specific verb and resource. It distinguishes from siblings like prepare_solana_nonce_init.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Clear context: closes nonce account and warns about post-broadcast behavior, but no explicit when-not-to-use or alternatives mentioned.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_solana_nonce_initA
Destructive

Explicit one-time setup of a per-wallet durable-nonce account at the deterministic PDA PublicKey.createWithSeed(wallet, 'vaultpilot-nonce-v1', SystemProgram.programId). MOST USERS DO NOT NEED TO CALL THIS DIRECTLY — prepare_solana_native_send / prepare_solana_spl_send auto-bundle the same setup into the user's first send. Use this tool when the user wants the setup standalone (e.g. before a Jupiter swap or MarginFi action, which can't safely auto-bundle due to size + ALT constraints), or to re-init after a prepare_solana_nonce_close. Costs ~0.00144 SOL rent-exempt seed + ~0.000005 SOL tx fee; the rent is fully reclaimable via prepare_solana_nonce_close. Refuses if a nonce account already exists at the derived PDA. This init tx uses a regular recent blockhash (no nonce to use yet — same constraint that makes auto-bundling possible inside native/SPL sends).

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet that will own (and authorize) the durable-nonce account. The nonce account address is derived deterministically via PublicKey.createWithSeed(wallet, 'vaultpilot-nonce-v1', SystemProgram). No separate keypair or backup is needed — the same wallet + seed always produces the same PDA.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructive and not readOnly. The description adds behavioral context: costs (0.00144 SOL + tx fee), rent reclaimability via close, and use of regular recent blockhash. This goes beyond the annotations without contradicting them.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, well-structured paragraph with front-loaded purpose, alternative info, use cases, costs, and behavior. It is dense but clear; slight improvements could be made by breaking into bullets, but current is efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool has one parameter (fully documented in schema), no output schema, and annotations provide basic hints, the description covers purpose, alternatives, when to use, cost, reclaimability, refusal condition, and technical blockhash detail. It is comprehensive for this tool's complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and the schema's own description for 'wallet' is already detailed (derivation, no backup needed). The tool description reiterates the derivation string but adds no significant new meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly identifies the tool as the explicit one-time setup of a per-wallet durable-nonce account at a specific deterministic PDA. It distinguishes from sibling tools like prepare_solana_native_send by noting that most users do not need to call this directly because those tools auto-bundle the setup.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly states when to use this tool (standalone before Jupiter swap or MarginFi action, or to re-init after close) and when not to (most users should rely on auto-bundling). It also mentions that it refuses if a nonce account already exists.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_solana_spl_sendA
DestructiveIdempotent

Build an unsigned SPL token transfer DRAFT via Token.TransferChecked. Returns a compact preview + opaque handle — but does NOT yet serialize the message or fetch a blockhash. When the user says 'send', call preview_solana_send(handle) to pin a fresh blockhash, compute the Message Hash, and emit the CHECKS agent-task block, then call send_transaction. Run pair_ledger_solana first. Pass the base58 SPL mint address (canonical decimals resolved for USDC, USDT, JUP, BONK, JTO, mSOL, jitoSOL; otherwise read from chain). If the recipient does NOT yet have an Associated Token Account for this mint, the draft automatically includes a createAssociatedTokenAccount instruction — the sender pays ~0.00204 SOL rent, disclosed explicitly (rentLamports + description). AUTO NONCE SETUP: if the wallet has no durable-nonce account yet, this tool transparently bundles createAccountWithSeed + nonceInitialize ahead of the SPL transfer (legacy blockhash; subsequent SPL sends use the durable-nonce path). Surfaced as firstTimeNonceSetup: "true" + ~0.00144 SOL rent in the description. BLIND-SIGN REQUIRED: the Ledger Solana app does NOT auto clear-sign TransferChecked — its parser requires a signed 'Trusted Name' TLV descriptor that only Ledger Live supplies, so the device drops into blind-sign and shows a 'Message Hash' (base58(sha256(messageBytes))). The user must (1) enable 'Allow blind signing' in Solana app → Settings, and (2) match the Message Hash surfaced by preview_solana_send against the on-device value before approving.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesBase58 Solana mainnet address (ed25519 pubkey, 43 or 44 chars).
mintYesBase58 SPL mint address. Use the canonical mint for known tokens (e.g. USDC = EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v).
toYes
amountYesHuman-readable token amount. Decimals are resolved from the mint (canonical table for USDC/USDT/JUP/BONK/JTO/mSOL/jitoSOL; otherwise on-chain `getTokenSupply`). If the recipient does not yet have an associated token account for this mint, the tx automatically includes a `createAssociatedTokenAccount` instruction and the sender pays ~0.00204 SOL rent — disclosed in the preview.

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description goes far beyond annotations (destructiveHint, readOnlyHint) by detailing automatic ATA creation with rent cost disclosure, nonce setup, and blind-sign requirements. It explains the Ledger app behavior and user actions needed. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is very verbose (400+ words) with multiple sections. While it front-loads the main purpose, it includes lengthy technical details about blind-sign that could be summarized. Conciseness is adequate but not optimal for quick scanning.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (SPL send with ATA, nonce, Ledger blind-sign), the description covers the workflow, prerequisites, behavioral nuances, and user responsibilities. It lacks error handling details but is sufficiently complete for an agent to use the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema covers parameters with descriptions, but the description adds significant context: known token mints, resolution of decimals for amount, automatic ATA rent cost, and nonce setup. This adds meaning beyond the schema, especially for amounts and mint.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned SPL token transfer draft via Token.TransferChecked, distinguishes it from native SOL sends and other Solana tools, and specifies what it does not do (serialize/fetch blockhash). The verb 'Build' and resource 'unsigned SPL token transfer DRAFT' are specific and unambiguous.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It provides a clear workflow: call this tool first, then preview_solana_send(handle), then send_transaction. It mentions prerequisite (pair_ledger_solana) and includes context on when to use (for SPL sends) and blind-sign requirements. However, it does not explicitly state when NOT to use or list alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_solana_swapA
DestructiveIdempotent

Build an unsigned Jupiter-routed swap DRAFT. Takes the quote object returned by get_solana_swap_quote and calls Jupiter's /swap-instructions endpoint to get the deconstructed instruction list, then composes the final v0 tx: [nonceAdvance, ...computeBudget, ...setup, swap, cleanup?, ...other]. DURABLE NONCE REQUIRED — if the wallet hasn't run prepare_solana_nonce_init, this errors pointing to it. Uses v0 VersionedTransaction with Address Lookup Tables (Jupiter routes commonly exceed legacy-tx account limits). Returns a compact preview + opaque handle; NOT yet signable — when the user says 'send', call preview_solana_send(handle) to pin the current nonce value, then send_transaction. BLIND-SIGN REQUIRED on Ledger (Jupiter's program ID isn't in the Solana app's clear-sign registry), so the user must match the Message Hash on-device — surfaced in the CHECKS block emitted by preview_solana_send.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesSolana wallet executing the swap. Must have an initialized durable-nonce account — run prepare_solana_nonce_init first if not set up yet.
quoteYesThe full `quote` object returned by get_solana_swap_quote. Pass it back verbatim — Jupiter computes a signature over the quote and rejects /swap-instructions if any field is mutated.
prioritizationFeeLamportsNoOptional priority fee in lamports. Omit to let Jupiter pick based on the local fee market (recommended).

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate destructive (mutation) and idempotent hints. The description adds extensive behavioral context: uses v0 VersionedTransaction with Address Lookup Tables, requires durable nonce, returns an opaque handle, and mentions blind-sign requirements on Ledger. It also notes error behavior if nonce uninitialized, without contradicting annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise yet comprehensive, starting with the core purpose, then prerequisites, technical details, and usage flow. Every sentence adds necessary information without redundancy, and the structure is front-loaded with the most critical information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description fully explains return values (compact preview + opaque handle) and the required follow-up steps (preview_solana_send then send_transaction). It covers Ledger blind-sign requirements and CHECKS block references, making it complete for an AI agent to understand the tool's lifecycle.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema covers 100% of parameters with descriptions. The tool description reinforces the meaning of 'quote' (must be verbatim from get_solana_swap_quote) and prioritizationFeeLamports (optional, recommend omit). It adds value by explaining Jupiter's signature requirement, but baseline is already high due to schema coverage.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states 'Build an unsigned Jupiter-routed swap DRAFT' with a specific verb ('build') and resource ('unsigned swap draft'). It distinguishes itself from sibling tools like prepare_solana_lifi_swap (different router) and prepare_solana_native_send (different operation) by specifying Jupiter routing and the draft nature.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description clearly explains when to use: after obtaining a quote from get_solana_swap_quote. It also states prerequisites (durable nonce initialized via prepare_solana_nonce_init) and the subsequent steps (call preview_solana_send then send_transaction). It explicitly notes that the output is not yet signable, providing a complete usage flow.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_sunswap_swapA
DestructiveIdempotent

Build an unsigned SunSwap V2 same-chain swap on TRON. SunSwap V2 is a Uniswap-V2 fork; this tool routes through the V2 router (TNJVzGqKBWkJxJB5XYSqGAwUTV15U24pPq) using the standard swapExactETHForTokens / swapExactTokensForETH / swapExactTokensForTokens selectors based on which side is native TRX. Path encoding: TRX→TRC20 = [WTRX, toToken]; TRC20→TRX = [fromToken, WTRX]; TRC20→TRC20 = [fromToken, WTRX, toToken]. The builder (1) calls getAmountsOut on the router via /triggerconstantcontract to compute the expected output, (2) derives minOut as quotedOut * (10000 - slippageBps) / 10000, (3) for TRC-20 sources, reads allowance(wallet, router) and refuses with a recovery hint if insufficient — the user must run prepare_tron_trc20_approve(token, spender=router, amount) first, broadcast it, wait ~3s for it to land, then retry. (4) hand-rolls ABI calldata for the swap call (no SDK), (5) hits TronGrid /triggersmartcontract to build the tx, (6) verifies the returned raw_data_hex matches exactly what we asked for (selector + parameter + call_value + fee_limit) and refuses any drift. BLIND-SIGN on Ledger TRON app — the SunSwap router is not in the device's clear-sign allowlist. Enable "Allow blind signing" in the on-device TRON app Settings; the device shows the txID, which the user matches against the txID in the prepare receipt. Pair the Ledger via pair_ledger_tron first. Smart Router (V1+V2+V3+PSM aggregator) is intentionally not used — V2 router only — because Smart Router's mainnet address has not been published officially and its multi-version path encoding is a different ABI shape.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesTRON base58 wallet (T-prefixed, 34 chars) — funds the swap and signs the source tx on Ledger via USB. Pair via `pair_ledger_tron` first.
fromTokenYesSource token. Either the literal string "TRX" for native TRX, OR a T-prefixed TRC-20 contract address. TRC-20 source REQUIRES a prior approve to the SunSwap V2 router (TNJVzGqKBWkJxJB5XYSqGAwUTV15U24pPq) — this tool checks allowance up-front and refuses with a recovery hint if insufficient.
toTokenYesDestination token. Either the literal "TRX" or a T-prefixed TRC-20 contract address. Cannot equal fromToken.
amountYesHuman-readable amount of fromToken (e.g. "100" for 100 TRX, "10.5" for 10.5 USDT). Decimals are resolved from the canonical TRC-20 set (USDT/USDC/USDD/TUSD) or from `fromTokenDecimals` for non-canonical tokens.
slippageBpsNoSlippage tolerance in basis points (50 = 0.5%). Default 50.
deadlineSecondsNoDeadline window in seconds from now. Default 1200 (20 min). The router rejects the swap if it hasn't landed by then.
fromTokenDecimalsNoREQUIRED when fromToken is a non-canonical TRC-20 (i.e. not USDT/USDC/USDD/TUSD or "TRX"). We refuse to guess decimals on a swap because an off-by-power-of-ten amountIn silently exposes the user to ~10^N-fold larger slippage than intended.
toTokenDecimalsNoREQUIRED when toToken is a non-canonical TRC-20. Same reasoning as `fromTokenDecimals`.
feeLimitTrxNoOverride the energy fee_limit cap (default 100 TRX). Pass a human-readable TRX amount (e.g. "50"). Energy estimate is reported separately in `estimatedEnergyCostSun`.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true, but description adds extensive behavioral context: steps, verification, refusal conditions, blind-signing requirement. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is lengthy but every sentence adds value. Well-structured with clear steps and details. Could be slightly more concise, but still highly effective.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given complexity and absence of output schema, description covers input, process, error handling, and prerequisites comprehensively. No gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, but description adds significant meaning beyond schema: explains each parameter's role, edge cases (non-canonical decimals), and refusal reasons (e.g., insufficient allowance).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it builds an unsigned SunSwap V2 same-chain swap on TRON, specifies router address, selectors, and path encoding. Distinguishes from sibling tools like prepare_swap and other swap-related tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use (SunSwap V2 only, not Smart Router) and prerequisites (approve TRC-20, pair Ledger, enable blind signing). Provides detailed process and error recovery hints.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_swapA
DestructiveIdempotent

Prepare an unsigned swap or bridge transaction via LiFi aggregator. Same-chain swaps use the best DEX route; cross-chain swaps use a bridge + DEX combo. Default is exact-in (amount = fromToken); set amountSide: "to" for exact-out (amount = target toToken output, e.g. "I want 100 USDC out"). Source chain is always EVM. Destination can be any EVM chain, Solana, or TRON. For non-EVM destinations pass toChain: "solana" / "tron" + an explicit toAddress in the destination chain's format; the user signs an EVM tx and the bridge protocol delivers tokens to the destination after confirmation. The destination-side decimals cross-check is dropped for non-EVM destinations (we can't read SPL/TRC-20 via EVM RPC); LiFi's reported decimals are the source of truth there. Exact-out is not supported for cross-chain-to-non-EVM. For Solana-source swaps and bridges use prepare_solana_lifi_swap. TRON-source LiFi is not yet wired. PROTOCOL ROUTING (issue #411): without exchanges / bridges, LiFi picks the best-output route across all aggregators. When the user explicitly names a DEX ("swap on 1inch", "use Sushi"), pass exchanges: ["1inch"] (or the named protocol) — without the filter LiFi may silently route via a different DEX. If no route satisfies the filter the call errors with a clear message; the agent can offer to retry without the filter. The unsigned tx's description includes "via " and notes whether the resolved tool matched the filter. DECODING DEFENSE: every cross-chain bridge calldata is parsed into its BridgeData tuple and the encoded destinationChainId + receiver are cross-checked against what the user requested — refuses on mismatch. Catches a compromised MCP that returns calldata routing to a different chain or recipient than the prepare receipt advertises. INTERMEDIATE-CHAIN BRIDGES: NEAR Intents (notably for ETH→TRON USDT routes) settles on NEAR and releases on the final chain via an off-chain relayer, so its on-chain destinationChainId is NEAR's pseudo-id (1885080386571452) rather than the user's requested chain. The defense allows this ONLY for an explicit hardcoded (bridge name, intermediate chain ID) pair held as a source-code constant — not loaded from env / config / LiFi response — so a compromised aggregator can't claim arbitrary chains as 'intermediate'. Receiver-side checks (non-EVM sentinel, etc.) still apply unchanged. The returned tx can be sent via send_transaction.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
fromChainYes
toChainYes
fromTokenYes
toTokenYes
toAddressNoDestination wallet. OMIT for same-chain-type swaps (defaults to the source wallet — LiFi behavior). REQUIRED when `toChain` is `"solana"` or `"tron"` because the source EVM hex wallet isn't a valid recipient on those chains. Format must match the destination chain (Solana base58 for `"solana"`, TRON base58 with T-prefix for `"tron"`, EVM hex otherwise).
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "1.5" for 1.5 USDC, "0.01" for 0.01 ETH. Interpreted as fromToken input by default; set `amountSide: "to"` to interpret as the toToken output amount (exact-out). The tool resolves decimals on-chain and converts internally.
amountSideNoWhich side of the swap `amount` refers to. "from" (default) = exact-in: you spend exactly `amount` of fromToken and receive a variable output. "to" = exact-out: you receive exactly `amount` of toToken and the input is sized to hit that target. Exact-out uses LiFi's toAmount quote and skips the 1inch comparison (1inch has no exact-out endpoint).
fromTokenDecimalsNoOptional decimals hint for fromToken if on-chain lookup fails (rare). Native is 18.
toTokenDecimalsNoOptional decimals hint for toToken if on-chain lookup fails (rare). Only used when `amountSide: "to"`. Native is 18.
slippageBpsNoSlippage tolerance in basis points (50 = 0.5%, 100 = 1%). Default ~50. Hard-capped at 500 (5%) — anything higher is almost always a sandwich-bait misconfiguration. If a legitimate thin-liquidity route genuinely needs >1%, also pass `acknowledgeHighSlippage: true`.
acknowledgeHighSlippageNoOpt-in flag required when slippageBps > 100 (1%). Forces the caller to state that an unusually-high slippage is intentional — the default rejects the tx to protect the user from MEV sandwich attacks.
exchangesNoRestrict LiFi routing to a specific set of DEX/exchange aggregators. Common values: "1inch", "sushiswap", "uniswap", "paraswap", "0x", "kyberswap", "odos", "openocean". When the user explicitly names a DEX ("swap on 1inch"), pass it here — without a filter, LiFi silently picks the best-output route regardless of what the user asked for. Multiple entries OR'd. If no route exists via the requested exchange(s) the call errors clearly; agent should offer to retry without the filter.
bridgesNoRestrict cross-chain routing to a specific set of bridge protocols. Common values: "across", "stargate", "hop", "cbridge", "amarok", "polygon", "arbitrum-bridge". Mirrors `exchanges` but for bridge selection. Only applies to cross-chain routes; ignored for intra-chain swaps.
excludeExchangesNoBlocklist version of `exchanges` — DEXes/aggregators LiFi must avoid. Use when the user says "not via 1inch" or "avoid Sushiswap". Independent of `exchanges`: pass both to constrain to allowlist minus blocklist. Pass-through to LiFi's `denyExchanges`.
excludeBridgesNoBlocklist version of `bridges` — bridge protocols LiFi must avoid on cross-chain routes. Pass-through to LiFi's `denyBridges`.
orderNoRoute ranking criterion. RECOMMENDED (default) — LiFi's mix of price + safety. CHEAPEST — pick the route with the highest output amount; use this for "best rate available" intent. FASTEST — minimize execution time (relevant for cross-chain bridges where settlement varies). SAFEST — prefer the most-vetted tool set. Pass-through to LiFi's `order`.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true. Description adds context: returns unsigned tx for later sending, cross-checks destination chain/receiver via decoding defense, handles NEAR Intents intermediate-chain, and error behavior on no route. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is verbose but well-structured: purpose first, then scenarios, protocol routing, decoding defense, intermediate-chain handling. Front-loaded key info. Could trim internal references (e.g., issue #411, source-code constant) for conciseness, but organized for readability.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given 17 parameters, cross-chain complexity, non-EVM destinations, exact-in/out modes, protocol routing, and safety features, the description is exceptionally thorough. Covers edge cases like NEAR Intents, high-slippage flag, and decoding defense. No output schema, but return value explanation omitted per rules.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 71% (12/17 parameters have descriptions). The tool description adds extra context beyond schema for toAddress, amount, amountSide, slippageBps, exchanges, bridges, excludeExchanges, excludeBridges, and order. It enriches parameter semantics significantly, so above baseline of 3.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool prepares unsigned swap/bridge transactions via LiFi aggregator, distinguishing same-chain swaps and cross-chain bridges. It explicitly contrasts with siblings like prepare_solana_lifi_swap for Solana-source swaps and notes TRON-source isn't wired, providing clear differentiation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Extensive when-to-use and when-not-to-use guidance: mentions alternative for Solana-source, explains exact-out mode, non-EVM destination requirements, protocol routing filters, high-slippage opt-in, and intermediate-chain bridge special case. No contradictions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_token_approveA
DestructiveIdempotent

Build an unsigned approve(spender, amount) transaction that raises (or sets) an ERC-20 allowance — the structured inverse of prepare_revoke_approval. amount is a decimal in token units (e.g. "10" for 10 USDC) or the literal "max" for unlimited. Refuses unlimited approvals to canonical no-key addresses (0x0…0, 0x0…dEaD, 0xdEaD…0, 0xff…ff) with BURN_ADDRESS_UNLIMITED_APPROVAL; override via acknowledgeBurnApproval: true only when the user explicitly asked for that exact spender + unlimited amount. Resolves a friendly spender label from the canonical CONTRACTS table so the description + Ledger preview reads as "Approve USDC for Aave V3 Pool, 1000 USDC" rather than a raw hex address. EVM-only. Prefer protocol-specific prepare_* (e.g. prepare_aave_supply) when the approval is bundled with a downstream action — those route through the shared buildApprovalTx helper which handles the USDT-style reset pattern in one step. Use this tool for one-off allowance-setting that doesn't fit a bundled prepare.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesEVM wallet that grants the allowance. Must be paired via `pair_ledger_live`.
chainNoethereum
tokenYesERC-20 contract address. Must be the actual token contract — wrappers and aTokens have their own approval surfaces and aren't supported here.
spenderYesAddress that will be allowed to pull tokens via `transferFrom`. Typically a protocol contract (Aave V3 Pool, Uniswap SwapRouter, etc.) or any EOA. Use the read-side allowances tool to confirm the spender is the right one.
amountYesDecimal amount in token units, NOT raw wei/base units. Example: "10" for 10 USDC. Decimals resolved from the token contract. Pass "max" for the uint256-max unlimited allowance — common DeFi UX default but grants perpetual transfer authority; the burn-address gate refuses unlimited approvals to no-key recipients.
acknowledgeBurnApprovalNoOverride flag for the BURN_ADDRESS_UNLIMITED_APPROVAL refusal. Required only when `amount` is `max` AND `spender` is a canonical no-key address (`0x0…0`, `0x0…dEaD`, `0xdEaD…0`, `0xff…ff`). The pattern is almost always prompt injection or a model error — refuse by default. Set to true only when the user has explicitly asked for that exact spender + unlimited amount.

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate `destructiveHint: true` and `idempotentHint: true`. The description adds context about the burn-address gate, the `BURN_ADDRESS_UNLIMITED_APPROVAL` error, and the friendly label resolution. It does not contradict annotations. However, it does not explicitly state that the output is an unsigned transaction needing submission.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is fairly long (around 10 sentences) but every sentence provides unique value. It starts with the core purpose, then covers amount nuances, burn-address guard, friendly labels, EVM restriction, and usage alternatives. Though dense, it could be slightly more streamlined but remains well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (6 params, no output schema, many siblings), the description covers purpose, parameter details, validation, and usage guidance. It lacks explicit mention that the output is an unsigned transaction requiring `send_transaction`. With no output schema, this is a minor gap. Overall, it provides comprehensive context for an agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 83%, but the description adds critical semantics: `amount` clarifies decimal vs raw units and accepts 'max'; `spender` is described as typically a protocol contract; `token` warns against wrappers; `acknowledgeBurnApproval` explains its guard purpose; `wallet` requires pairing; `chain` has enum. This goes well beyond bare schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned ERC-20 approve transaction, explicitly contrasts with `prepare_revoke_approval`, and restricts to EVM chains. It distinguishes from protocol-specific prepare tools, making the purpose and scope precise.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly advises preferring protocol-specific prepare tools (e.g., `prepare_aave_supply`) when approval is bundled, and reserves this tool for one-off allowance-setting. It also specifies EVM-only and explains when to use `acknowledgeBurnApproval`. This leaves no ambiguity about appropriate usage.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_token_sendA
DestructiveIdempotent

Build an unsigned ERC-20 transfer transaction. Pass amount: "max" to send the full balance (resolved at build time). If the user named the token by symbol, call resolve_token first to disambiguate native-vs-bridged variants (USDC vs USDC.e on Arbitrum/Polygon/Optimism, USDC vs USDbC on Base) and surface the warning to the user before committing to a contract.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
tokenYes
toYes
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "10" for 10 USDC. Decimals resolved from the token contract. Pass "max" to send the full balance.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description adds context beyond annotations: it clarifies the tool builds an unsigned transaction (not yet on-chain), mentions the 'max' special case and token disambiguation workflow. Annotations already indicate destructive and idempotent hints, which align.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Three concise sentences, front-loaded with the main purpose, followed by special behavior. No redundant or irrelevant information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description adequately covers what the tool does and important usage notes. It could mention that the output is an unsigned transaction to be used with other tools, but the purpose is sufficiently clear.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With only 20% schema description coverage, the description compensates by explaining the 'max' value for amount and giving context for token disambiguation. It adds meaning for two key parameters beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states it builds an unsigned ERC-20 transfer transaction, using specific verb (build) and resource (unsigned ERC-20 transfer). It distinguishes from siblings like prepare_native_send by specifying token and mentioning resolve_token for symbol disambiguation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit guidance to call resolve_token first if the user provided a token symbol, and explains the special 'max' amount usage. However, it does not explicitly name alternatives or state when not to use this tool.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_tron_claim_rewardsA
DestructiveIdempotent

Build an unsigned TRON WithdrawBalance transaction that claims accumulated voting rewards to the owner's balance. TRON enforces a 24-hour cooldown between claims — TronGrid will reject (surfaced as an error) if the previous claim was inside the window. Pair with get_tron_staking first to read claimableRewards and avoid empty-claim tx builds. Returns a preview + opaque handle; forward via send_transaction for USB-HID signing on the paired Ledger.

ParametersJSON Schema
NameRequiredDescriptionDefault
fromYesBase58 TRON address to claim accumulated voting rewards for. TRON enforces a 24h cooldown between claims.

TDQS

A4.5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds significant value beyond annotations: it discloses the transaction flow (returns preview + opaque handle, forward via send_transaction), the 24-hour cooldown constraint, and the error behavior ('TronGrid will reject'). Annotations only mark destructiveHint=true, but description provides operational context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Four sentences, each serving a distinct purpose: action, constraint, prerequisite, and output/next step. No redundancy, front-loaded with purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (no output schema, need for prior tool, cooldown, and subsequent send_transaction), the description covers all necessary steps: prerequisite, behavior on failure, and how to proceed with the result.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and already describes the 'from' parameter as a Base58 address with cooldown mention. The description does not add new meaning beyond the schema (it only mentions 'owner's balance' implicitly). Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb ('Build an unsigned TRON WithdrawBalance transaction that claims accumulated voting rewards') and the resource ('owner's balance'). It distinguishes from siblings by specifying 'TRON claim rewards' and mentioning pairing with get_tron_staking, which is unique among the many prepare_ tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides clear context: pair with get_tron_staking first to read claimableRewards and avoid empty-claim builds. It also warns about the 24-hour cooldown and potential rejections. However, it does not explicitly exclude other tools or mention when not to use it.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_tron_freezeA
DestructiveIdempotent

Build an unsigned TRON Stake 2.0 FreezeBalanceV2 transaction. Locks TRX to earn bandwidth (fuels plain transfers) or energy (fuels smart-contract calls) and gains proportional voting power. IMPORTANT: freezing alone does NOT accrue TRX rewards — claimableRewards (see get_tron_staking) only grows after the user also votes for a Super Representative. Pair this tool with list_tron_witnesses + prepare_tron_vote for the full reward-earning flow. Unlocking requires a 14-day cooldown via prepare_tron_unfreeze + prepare_tron_withdraw_expire_unfreeze. Returns a preview + opaque handle; forward via send_transaction for USB-HID signing on the paired Ledger.

ParametersJSON Schema
NameRequiredDescriptionDefault
fromYesBase58 TRON owner address (prefix T).
amountYesTRX amount to freeze as a human-readable decimal string (converted to SUN internally).
resourceYesWhich Stake 2.0 resource to freeze/unfreeze TRX for. `bandwidth` fuels plain transactions; `energy` fuels smart-contract calls.

TDQS

A4.6/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true; description adds that it builds an unsigned transaction, requires send_transaction, and that freezing alone does not accrue rewards. No contradictions. Describes return type (preview + opaque handle) but lacks details on the return structure, which is acceptable given no output schema.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is well-structured: starts with core purpose, then caveats, alternatives, and integration steps. Every sentence is informative and non-redundant. Efficient for an AI agent.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers the main action, rewards context, lock-up period, and related tools. Lacks specifics on the preview format and error cases, but overall sufficient for a complex staking tool. No output schema, so description could be more detailed, but it remains helpful.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

All three parameters are documented in the schema (100% coverage). Description adds value by clarifying that amount is a human-readable decimal converted to SUN internally, resource enum meanings, and the from address prefix T. Extra context beyond schema descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned TRON Stake 2.0 FreezeBalanceV2 transaction, specifying the action (freeze), resource (TRX), and outcomes (earn bandwidth/energy, gain voting power). It distinguishes from siblings like prepare_tron_vote and prepare_tron_unfreeze.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use (to earn bandwidth/energy and voting power), what not to expect (no rewards without voting), and references related tools (list_tron_witnesses, prepare_tron_vote, prepare_tron_unfreeze, prepare_tron_withdraw_expire_unfreeze). Also mentions the 14-day cooldown for unlocking.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_tron_lifi_swapA
DestructiveIdempotent

Build an unsigned LiFi-routed cross-chain bridge with TRON as the source chain. User signs a TRON tx via Ledger over USB; the bridge protocol delivers tokens on the destination (any EVM chain or Solana) after the source confirms (typically 1-15 min). LiFi aggregates NearIntents, Wormhole, Allbridge, etc. The builder (1) decodes the TRON protobuf to extract the TriggerSmartContract envelope, (2) asserts the contract_address is the LiFi Diamond on TRON (TU3ymitEKCWQFtASkEeHaPb8NfZcJtCHLt) and the owner_address is the user's wallet, (3) decodes the inner ABI calldata's BridgeData tuple and cross-checks destinationChainId + receiver against the user's request — refuses on any mismatch. NEAR Intents routes (intermediate-chain settlement on NEAR's pseudo-chain 1885080386571452) are allowlisted via a hardcoded source-code constant so a hostile aggregator cannot fabricate 'intermediate-chain' encodings; receiver-side checks still apply unchanged. TRC-20 source flows REQUIRE a prior approve to the LiFi Diamond — call prepare_tron_trc20_approve first with spender: "TU3ymitEKCWQFtASkEeHaPb8NfZcJtCHLt" and the amount you intend to swap; insufficient allowance reverts the swap on-chain. BLIND-SIGN on Ledger (LiFi Diamond not in TRON app's clear-sign allowlist) — enable "Allow blind signing" in the on-device Solana app Settings; the device shows the txID, which the user matches against the txID in the prepare receipt. Pair the Ledger via pair_ledger_tron first. Broadcast goes via TronGrid's /wallet/broadcasthex endpoint (LiFi gives us only raw_data_hex, not the deserialized JSON shape /wallet/broadcasttransaction requires).

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesTRON base58 wallet (T-prefixed, 34 chars) — funds the swap and signs the source tx on Ledger via USB. Pair via `pair_ledger_tron` first.
fromTokenYesSource token. T-prefixed TRC-20 contract address OR the literal string "native" for TRX (LiFi maps "native" to TRX's contract address internally). TRC-20 source REQUIRES a prior approve to the LiFi Diamond on TRON (TU3ymitEKCWQFtASkEeHaPb8NfZcJtCHLt) — this tool does not prepare the approve; insufficient allowance reverts on-chain.
fromAmountYesRaw integer amount in base units (NOT decimal-adjusted). For TRX (6 decimals) 1 TRX = '1000000'; for TRC-20 USDT (6 decimals) 10 USDT = '10000000'.
toChainYesDestination chain. Any EVM chain (cross-chain bridge to EVM) or "solana" (cross-chain bridge to Solana). LiFi internally picks the best bridge protocol (NearIntents, Wormhole, Allbridge, etc.).
toTokenYesDestination token. 0x-prefixed EVM token when toChain is EVM; SPL mint base58 when toChain="solana". "native" works on both (resolves to the chain's conventional native sentinel).
toAddressYesDestination wallet — REQUIRED. EVM hex when toChain is EVM; Solana base58 when toChain="solana". The TRON source wallet isn't a valid recipient on either destination chain family.
slippageBpsNoSlippage tolerance in basis points (50 = 0.5%). Omit for LiFi's default (0.5%). Cross-chain bridges may impose their own minimums above this.

TDQS

A4.5/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already convey destructive and idempotent nature. The description adds valuable context: user signs via Ledger, bridge delivery time (1-15 min), builder cross-checks, and blind signing requirement. It does not contradict any annotation. Minor deduction for slight redundancy (e.g., mentioning TronGrid endpoint twice).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely verbose, spanning multiple paragraphs with technical minutiae (e.g., protobuf decoding, contract addresses, endpoint details). While informative, it could be streamlined to a concise overview (e.g., 'Builds unsigned LiFi cross-chain swap from TRON. Requires paired Ledger and prior approve for TRC-20.') without losing essential information.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (7 parameters, no output schema, cross-chain mechanics), the description covers all critical aspects: prerequisites, signing flow, bridge protocols, validation steps, error conditions (allowance revert), and output (unsigned tx). It is comprehensive enough for an agent to use correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and the description enriches every parameter with actionable details: wallet mentions pairing, fromToken explains 'native' and approve, fromAmount clarifies base units, toChain enumerates options and bridge selection, toAddress warns about source wallet incompatibility, and slippage defines basis points and default. This exceeds what the schema alone provides.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states the tool's purpose: 'Build an unsigned LiFi-routed cross-chain bridge with TRON as the source chain.' It names the specific action (build unsigned tx), resource (LiFi cross-chain bridge), and context (TRON source). This clearly distinguishes it from sibling tools like prepare_solana_lifi_swap.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides thorough guidance: it specifies when to use (cross-chain bridging from TRON), prerequisites (pair Ledger via pair_ledger_tron, approve TRC-20 if needed), and important steps (blind signing, broadcast via TronGrid). It also warns about insufficient allowance and mentions the allowlist for NEAR Intents, leaving little ambiguity for the agent.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_tron_native_sendA
DestructiveIdempotent

Build an unsigned TRON native TRX send transaction via TronGrid's /wallet/createtransaction. Returns a human-readable preview + opaque handle. Forward the handle via send_transaction to sign on the directly-connected Ledger (USB HID via @ledgerhq/hw-app-trx) and broadcast to TronGrid. Run pair_ledger_tron once per session first so the TRON app is open and the device address is verified.

ParametersJSON Schema
NameRequiredDescriptionDefault
fromYesBase58 TRON sender address (prefix T).
toYesBase58 TRON recipient address (prefix T).
amountYesTRX amount as a human-readable decimal string (e.g. "12.5").

TDQS

A4.1/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses that the tool builds an unsigned transaction and returns a preview + opaque handle, and that signing/broadcasting is handled by send_transaction. It also mentions hardware dependency (Ledger via USB HID). Annotations indicate destructive and idempotent, which aligns with creating a transaction that can be recreated. No contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise (two sentences) and front-loads the core function. It avoids unnecessary details while still covering essential workflow steps. Slightly repetitive mention of TronGrid could be trimmed, but overall efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description adequately explains the return value (preview + handle) and the required follow-up (send_transaction). It also covers the prerequisite (pair_ledger_tron). This is complete for a preparation tool within a multi-step workflow.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema already provides 100% coverage with descriptions for all three parameters (from, to, amount). The description adds no additional detail beyond what the schema states, so baseline score of 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned TRON native TRX send transaction via TronGrid's API, and distinguishes from sibling tools like prepare_tron_token_send by specifying 'native TRX send'. It also explains the output (preview + handle) and the next step (use send_transaction).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides clear context on when to use this tool (for sending TRX) and prerequisites (run pair_ledger_tron first). It also directs the user to forward the handle via send_transaction. It lacks explicit exclusion of alternatives, but the sibling list implies other tools for token sends.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_tron_token_sendA
DestructiveIdempotent

Build an unsigned TRC-20 transfer transaction (canonical set only: USDT, USDC, USDD, TUSD) via TronGrid's /wallet/triggersmartcontract. Decimals are resolved from the canonical table — unknown TRC-20s are rejected with an explicit error. Default fee_limit is 100 TRX (TronLink/Ledger Live default); override with feeLimitTrx if energy pricing has moved. Returns a preview + opaque handle. Forward via send_transaction for USB-HID signing on the paired Ledger. USDT renders natively on the TRON app; other TRC-20s may display raw hex on-device (the contract address and amount are still shown, so the user can verify against the preview).

ParametersJSON Schema
NameRequiredDescriptionDefault
fromYesBase58 TRON sender address (prefix T).
toYesBase58 TRON recipient address (prefix T).
tokenYesBase58 TRC-20 contract address. Phase 2 only supports the canonical set (USDT, USDC, USDD, TUSD); other TRC-20s are rejected.
amountYesToken amount as a human-readable decimal string (decimals are resolved from the canonical table: 6 for USDT/USDC, 18 for USDD/TUSD).
feeLimitTrxNoOptional fee-limit override in TRX. Defaults to 100 TRX — Ledger Live / TronLink standard.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (destructiveHint=true, idempotentHint=true), the description reveals key behaviors: decimals resolved from canonical table, return format (preview + opaque handle), fee-limit default, and Ledger display differences between USDT and other tokens. This adds meaningful context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is five well-structured sentences with no redundancy. It front-loads the main action, then efficiently covers constraints, defaults, output, and device behavior. Every sentence serves a purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the absence of an output schema, the description adequately explains the output (preview + opaque handle) and covers important behavioral details (Ledger compatibility, fee default, token restrictions). It could be improved by mentioning error scenarios beyond rejection.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with clear descriptions for each parameter. The description adds some value by explaining the human-readable amount format and fee-limit override, but does not significantly enhance understanding beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned TRC-20 transfer transaction, explicitly naming the canonical set (USDT, USDC, USDD, TUSD) and mentioning the TronGrid endpoint. This distinguishes it from related TRON tools like prepare_tron_trc20_approve and from generic prepare_token_send.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description instructs users to forward the result to send_transaction for Ledger signing, explains the default and override for fee_limit, and notes that unknown TRC-20s are rejected. It does not explicitly list alternatives for other token types, but the context of canonical set boundary is clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_tron_trc20_approveA
DestructiveIdempotent

Build an unsigned TRC-20 approve(spender, amount) tx — sets allowance so a third party can pull tokens via transferFrom. Primary use: authorize the LiFi Diamond on TRON (TU3ymitEKCWQFtASkEeHaPb8NfZcJtCHLt) before running prepare_tron_lifi_swap with a TRC-20 source token (LiFi's quote response assumes the approve already exists; insufficient allowance reverts the swap on-chain). Accepts ANY TRC-20 contract — not just the canonical set. Decimals are auto-resolved for canonical USDT/USDC/USDD/TUSD; for any other TRC-20 you MUST pass decimals explicitly. We REFUSE to default decimals on approve because an off-by-power-of-ten allowance silently authorizes a 10^12-fold larger spend than intended, with no UX recovery on a Ledger blind-sign flow. amount is a human decimal string ("100" = 100 tokens at the resolved decimals). "max" / unbounded approvals are NOT supported — pass exactly the amount you intend to swap. Returns a preview + opaque handle for send_transaction.

ParametersJSON Schema
NameRequiredDescriptionDefault
fromYesBase58 TRON owner address — the wallet that holds the tokens.
tokenYesBase58 TRC-20 contract address. Any TRC-20 is accepted; non-canonical tokens require `decimals`.
spenderYesBase58 TRON address authorized to pull tokens via transferFrom. Typical use: the LiFi Diamond on TRON (TU3ymitEKCWQFtASkEeHaPb8NfZcJtCHLt) for `prepare_tron_lifi_swap` flows.
amountYesAllowance amount as a human-readable decimal string. Pass exactly the amount you intend to swap, NOT "max" / unbounded — TRC-20 unbounded approvals are a known griefing vector and we don't expose them by default.
decimalsNoToken decimals. OPTIONAL when `token` is in the canonical TRC-20 set (USDT/USDC=6, USDD/TUSD=18 — auto-resolved). REQUIRED for any other TRC-20 contract; we refuse to guess decimals when an off-by-power-of-ten allowance could authorize a 10^12-fold larger spend than intended.
feeLimitTrxNoOptional fee-limit override in TRX. Defaults to 100 TRX (TronLink/Ledger Live standard).

TDQS

A5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations, it discloses crucial behavioral details: refusal to default decimals due to safety risks with Ledger blind-sign, unsupported unbounded approvals, and return format (preview + opaque handle). No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured, front-loading purpose, and every sentence provides essential information. Length is appropriate given the tool's complexity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Fully covers the tool's purpose, usage context, parameter details, return value, and important warnings. Sufficient for an agent to invoke correctly without additional information.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Despite 100% schema coverage, the description adds significant meaning for each parameter, including the primary spender use, canonical token set for decimals, human-readable amount format, and fee limit default.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned TRC-20 approve transaction, specifying the verb and resource with precise scope. It distinguishes from sibling tools by mentioning its primary use with LiFi and linking to prepare_tron_lifi_swap.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use (authorize LiFi before swap) and when not to use (no 'max' approvals, must provide decimals for non-canonical tokens). Provides clear context and constraints.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_tron_unfreezeA
DestructiveIdempotent

Build an unsigned TRON Stake 2.0 UnfreezeBalanceV2 transaction — begins the 14-day cooldown on a previously-frozen slice. The amount must not exceed what's currently frozen for that resource (query get_tron_staking first; TronGrid rejects otherwise with 'less than frozen balance'). After 14 days the slice shows up in pendingUnfreezes with an elapsed unlockAt; call prepare_tron_withdraw_expire_unfreeze to sweep it back to liquid TRX. Returns a preview + opaque handle; forward via send_transaction for USB-HID signing on the paired Ledger.

ParametersJSON Schema
NameRequiredDescriptionDefault
fromYesBase58 TRON owner address (prefix T).
amountYesTRX amount to unfreeze. Must not exceed the currently-frozen amount for the given resource — TronGrid rejects otherwise.
resourceYesWhich Stake 2.0 resource to freeze/unfreeze TRX for. `bandwidth` fuels plain transactions; `energy` fuels smart-contract calls.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (destructiveHint, idempotentHint), description details the 14-day cooldown, output format (preview + opaque handle), hardware signing requirement via Ledger, and the relationship between unfreeze and withdraw steps.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Five sentences, each serving a clear purpose: action, constraint, post-action, output, forwarding. No fluff, front-loaded with the core purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, description explains the return value (preview + opaque handle) and how to use it. Covers the full lifecycle from frozen to unfrozen to withdraw, making it complete for a transaction-building tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, baseline 3. Description adds practical constraints: amount must not exceed frozen balance (links to get_tron_staking), and explains resource enum values (bandwidth for plain txs, energy for smart contracts), which adds value beyond schema descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned UnfreezeBalanceV2 transaction, begins a 14-day cooldown, and differentiates from sibling tools like prepare_tron_withdraw_expire_unfreeze by specifying the lifecycle step.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly instructs to query get_tron_staking first to verify frozen balance, warns of rejection otherwise, and directs to call prepare_tron_withdraw_expire_unfreeze after 14 days. Also mentions forwarding via send_transaction.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_tron_voteA
DestructiveIdempotent

Build an unsigned TRON VoteWitnessContract transaction — casts votes for Super Representatives to earn voting rewards on frozen TRX. IMPORTANT: VoteWitness REPLACES the wallet's entire prior vote allocation atomically. Pass every SR you intend to back (not just a delta); an empty votes array clears all votes. Sum of count values must not exceed the wallet's available TRON Power — check list_tron_witnesses(address)availableVotes first. count is an integer (1 vote = 1 TRX of TRON Power). Rewards accrue per block and are harvested via prepare_tron_claim_rewards (24h cooldown). Returns a preview + opaque handle; forward via send_transaction for USB-HID signing on the paired Ledger.

ParametersJSON Schema
NameRequiredDescriptionDefault
fromYesBase58 TRON owner address (prefix T).
votesYesFull vote allocation. VoteWitness REPLACES all prior votes atomically — pass every SR you intend to back, not just the delta. An empty array clears all votes. Sum of counts must not exceed the wallet's available TRON Power (see `list_tron_witnesses` → `availableVotes`); TronGrid rejects otherwise.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructive and idempotent behavior; description adds critical context: atomic replacement, TRON Power constraint, reward accrual per block, and that output is a preview+handle for Ledger signing via send_transaction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with purpose and critical warnings. Slightly long (107 words) but each sentence serves a purpose; no redundant content.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers all key aspects: operation, prerequisites (availableTRONPower), atomic behavior, output (preview+handle), and next step (send_transaction). No output schema, but description mentions output nature, making it fairly complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema already documents parameters with 100% coverage; description adds valuable nuance for 'votes' (must be full allocation, sum constraint) and 'from' (address format), enhancing usability beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states it builds an unsigned TRON VoteWitnessContract transaction to cast votes for Super Representatives, using precise verbs and resources, and distinguishes from sibling tools like prepare_tron_claim_rewards.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides clear when-to-use guidance, explains atomic replacement of prior votes, warns about not passing deltas, recommends checking availableVotes via list_tron_witnesses, and mentions reward harvesting via prepare_tron_claim_rewards.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_tron_withdraw_expire_unfreezeA
DestructiveIdempotent

Build an unsigned TRON WithdrawExpireUnfreeze transaction — sweeps every matured unfreeze slice (those whose 14-day cooldown elapsed) back to liquid TRX. No amount needed; the chain drains all eligible slices in one call. Inspect pendingUnfreezes from get_tron_staking first — if every entry's unlockAt is still in the future, TronGrid returns 'no expire unfreeze' and this tool errors. Returns a preview + opaque handle; forward via send_transaction for USB-HID signing on the paired Ledger.

ParametersJSON Schema
NameRequiredDescriptionDefault
fromYesBase58 TRON owner address. Sweeps all unfreezes whose 14-day cooldown has elapsed (see `pendingUnfreezes[].unlockAt` from `get_tron_staking`) back to liquid TRX.

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description adds context beyond annotations: it discloses the return value (preview + opaque handle), the need to forward via `send_transaction` for USB-HID signing, and the error condition. Annotations (`destructiveHint: true`, `idempotentHint: true`) are consistent and supplemented.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is compact and front-loaded with the core purpose. Every sentence serves a distinct function (purpose, usage hint, prerequisite, output, next step). No wasted words despite covering multiple aspects.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple tool with one parameter and no output schema, the description fully explains the workflow, prerequisites, error case, and return value. It references a related tool (`get_tron_staking`) and the follow-up step (`send_transaction`), making it self-contained.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% for the single parameter `from`, and the schema description already explains the parameter well. The tool description repeats similar information, adding no new semantic insight beyond what the schema provides.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states the tool's verb ('Build an unsigned TRON WithdrawExpireUnfreeze transaction') and resource ('sweeps every matured unfreeze slice... back to liquid TRX'). It clearly distinguishes from sibling tools like `prepare_tron_unfreeze` by focusing on expired unfreezes and specifying no amount is needed.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit prerequisite ('Inspect `pendingUnfreezes` from `get_tron_staking` first') and warns of a specific error condition ('if every entry's unlockAt is still in the future... this tool errors'). Implicitly advises when to use, though does not explicitly contrast with alternatives like `prepare_tron_unfreeze`.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_uniswap_swapA
DestructiveIdempotent

Prepare a direct Uniswap V3 swap (bypasses LiFi aggregator). Use this ONLY when the user explicitly asks for Uniswap — otherwise default to prepare_swap which compares routes across venues. Same-chain only (Uniswap V3 is not a bridge). Auto-picks the best pool fee tier (100/500/3000/10000 bps) by quoting all four against QuoterV2 and choosing the one with the best price; pass feeTier to override. Supports ERC-20 <-> ERC-20, native-in (ETH -> ERC-20), and native-out (ERC-20 -> ETH). Both exact-in and exact-out. Returns an unsigned tx (with a reset+approve chain when the router needs allowance) that send_transaction can forward to Ledger Live. Single-hop only in v1 — multi-hop routes through an intermediate asset (e.g. via WETH) fall back to prepare_swap.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainYes
fromTokenYes
toTokenYes
amountYesHuman-readable decimal amount, NOT raw wei/base units. Example: "1.5" for 1.5 USDC, "0.01" for 0.01 ETH. Interpreted as fromToken input by default; set `amountSide: "to"` for exact-out. The tool resolves decimals on-chain.
amountSideNoWhich side of the swap `amount` refers to. "from" (default) = exact-in: spend exactly `amount` of fromToken, receive a variable output. "to" = exact-out: receive exactly `amount` of toToken, input sized to hit the target.
fromTokenDecimalsNoOptional decimals hint for fromToken if on-chain lookup fails. Native is 18.
toTokenDecimalsNoOptional decimals hint for toToken if on-chain lookup fails. Native is 18.
slippageBpsNoSlippage tolerance in basis points (50 = 0.5%). Default 50. Hard-capped at 500 (5%); > 100 requires `acknowledgeHighSlippage: true` to prevent MEV sandwiching.
acknowledgeHighSlippageNoOpt-in flag required when slippageBps > 100. Forces explicit acknowledgement of unusually-high slippage.
feeTierNoOptional fee-tier override (100 / 500 / 3000 / 10000 bps). When omitted, QuoterV2 is queried across all four tiers and the best-pricing pool is picked.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Goes beyond annotations by describing auto-picking fee tier via QuoterV2, returning an unsigned tx with optional reset+approve chain, and detailing support for native tokens and exact-in/exact-out. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single paragraph, front-loaded with purpose and usage guidance. Every sentence adds value without repetition. Length is appropriate for the complexity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers swap types, fee selection, slippage, approval handling, and fallback behavior. No output schema, but describes return as unsigned tx for send_transaction. Complete given tool complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Adds meaning to parameters like `amount` (human-readable), `feeTier` (optional override), `slippageBps` (default 50, cap 500), and `acknowledgeHighSlippage`. Schema coverage is 64%, but description compensates well for missing schema descriptions on other params.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states 'Prepare a direct Uniswap V3 swap (bypasses LiFi aggregator)', specifying the exact protocol and distinguishing it from the sibling `prepare_swap`. It also details supported swap types (same-chain, native in/out, exact-in/exact-out).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly instructs to use only when user asks for Uniswap, otherwise default to `prepare_swap`. Also notes that multi-hop routes fall back to `prepare_swap`. Provides clear when-to-use and when-not-to-use guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_uniswap_v3_burnA
DestructiveIdempotent

Build an unsigned Uniswap V3 LP burn transaction — destroys the position NFT (irreversible). Hard-refuses unless the position is fully drained: liquidity == 0 AND tokensOwed{0,1} == 0. Standard close-out sequence: prepare_uniswap_v3_decrease_liquidity({ liquidityPct: 100 })prepare_uniswap_v3_collectprepare_uniswap_v3_burn. The error message names the right next step on each refusal.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
tokenIdYesERC-721 tokenId of the LP NFT to destroy. Must be owned by `wallet`. The position must be fully drained: liquidity = 0 AND tokensOwed{0,1} = 0. Refused otherwise with the right sequence (decrease → collect → burn) named in the error.

TDQS

A4.4/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already signal destructiveHint=true and idempotentHint=true. The description adds that burning destroys the NFT irreversibly and clarifies refusal conditions (liquidity==0, tokensOwed==0). This goes beyond annotations by detailing failure modes, but could further explain idempotency.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with the main action and irreversibility. The structure is efficient, with no filler. Every sentence adds value: purpose, refusal conditions, usage sequence.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a complex destructive tool, the description covers the flow, prerequisites (fully drained), and ties to sibling tools. No output schema exists, so return values are not needed. It lacks mention of gas or confirmation requirements, but the main context is sufficient for the agent to decide.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 33% (only tokenId described). The description adds crucial context for tokenId: must be owned by wallet and position fully drained. However, wallet and chain parameters are not elaborated beyond their schema types/enums, so the description partially compensates but leaves gaps.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states it builds an unsigned Uniswap V3 LP burn transaction and destroys the position NFT irreversibly. It clearly distinguishes from sibling tools like prepare_uniswap_v3_collect and prepare_uniswap_v3_decrease_liquidity by specifying it as the final step in the close-out sequence.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit when-to-use guidance: only after decreasing liquidity and collecting fees. It gives the standard sequence (decrease → collect → burn) and states that the tool hard-refuses unless the position is fully drained, with error messages naming the next step. This helps the agent avoid misuse.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_uniswap_v3_collectA
DestructiveIdempotent

Build an unsigned Uniswap V3 LP collect transaction — harvests every token the position is owed (decreased liquidity from prior prepare_uniswap_v3_decrease_liquidity calls + accrued swap fees) up to uint128.max per side. Hard-refuses when the tokenId is not owned by wallet. The protocol auto-settles uncollected fee growth into tokensOwed inside the call, so even a position with tokensOwed{0,1}=0 may receive tokens. recipient defaults to the wallet; pass an address to send the harvest elsewhere.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
tokenIdYesERC-721 tokenId of the LP NFT to harvest fees + tokensOwed from. Must be owned by `wallet`.
recipientNoAddress to receive the harvested tokens. Default: wallet (the position owner).

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds useful behavioral details beyond annotations: it hard-refuses when tokenId not owned, explains that the protocol auto-settles fee growth into tokensOwed, and notes that the tool builds an unsigned transaction (non-destructive). However, there is a potential contradiction with the destructiveHint annotation.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, well-structured paragraph with about five sentences. It is front-loaded with the main action, uses clear language, and every sentence adds necessary information without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description lacks details about the output format of the unsigned transaction (e.g., hex bytes, structure). Given no output schema, the agent would need to know what to expect. It also does not cover prerequisites like needing a previous decrease liquidity call, though it mentions the source of owed tokens.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description adds value beyond the input schema by explaining the default for recipient and implying wallet as owner. Schema coverage is 50%, so the description partly compensates. It does not explain chain or wallet formats beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states it builds an unsigned Uniswap V3 LP collect transaction to harvest owed tokens and fees. It specifies the scope (every token, up to uint128.max) and distinguishes from sibling tools like prepare_uniswap_v3_burn and prepare_uniswap_v3_decrease_liquidity by its focus on collection.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies when to use this tool: after decreasing liquidity or when fees have accrued. It also specifies prerequisites (tokenId must be owned by wallet) and explains the default and override for recipient. Clear context for usage.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_uniswap_v3_decrease_liquidityA
DestructiveIdempotent

Build an unsigned Uniswap V3 LP decreaseLiquidity transaction — removes liquidity from an existing position by tokenId. Pass liquidityPct: 100 for a full close-out (typical follow-up: prepare_uniswap_v3_collect, then optionally prepare_uniswap_v3_burn). Pass liquidity: "<raw>" for exact-amount accounting; the two args are mutually exclusive. Hard-refuses when the tokenId is not owned by wallet (would credit the actual owner) and when the position has zero liquidity (nothing to decrease). Withdrawn tokens become tokensOwed on the position — they do NOT move to the wallet until you call prepare_uniswap_v3_collect afterwards. This separation matches the on-chain protocol shape and lets the agent batch decrease+collect via rebalance.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
tokenIdYesERC-721 tokenId of the LP NFT to decrease liquidity from. Must be owned by `wallet`.
liquidityPctNoPercentage of position liquidity to withdraw (1-100). Pass 100 for full close-out (typical follow-up: prepare_uniswap_v3_collect, then optionally burn). Mutually exclusive with `liquidity` — pass exactly one.
liquidityNoRaw liquidity to withdraw (decimal-string bigint). Use when you need exact accounting; otherwise prefer liquidityPct. Mutually exclusive with `liquidityPct`.
slippageBpsNoSlippage tolerance in bps. Default 50; soft cap 100.
acknowledgeHighSlippageNo
deadlineSecNo

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate destructive and idempotent. The description adds value by stating hard-refusal conditions (not owned, zero liquidity) and clarifying that withdrawn tokens become tokensOwed (not immediately transferred to wallet), which is critical behavioral detail beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, well-structured paragraph with bold emphasis on key points. Every sentence adds value, no redundancy. Front-loaded with the core purpose, then details. Highly efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (8 params, no output schema), the description covers major behavioral aspects: purpose, param mutual exclusivity, validation rules, and protocol workflow (tokensOwed). Missing some param details like deadlineSec and slippage behavior, but overall sufficient for an agent to use correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 50%. Description adds context for liquidityPct and liquidity (mutual exclusivity, typical use) and for tokenId (ownership check). However, wallet, chain, slippageBps, acknowledgeHighSlippage, and deadlineSec are not explained in the description, leaving gaps for these parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it builds an unsigned Uniswap V3 decreaseLiquidity transaction, specifying the verb (builds), resource (unsigned transaction), and scope (decrease liquidity from an existing position by tokenId). It distinguishes from sibling tools like prepare_uniswap_v3_collect and prepare_uniswap_v3_burn by explaining the protocol flow and typical follow-up steps.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit context: when to use (e.g., pass liquidityPct:100 for full close-out), mutual exclusivity of liquidityPct and liquidity, ownership and zero-liquidity refusal, and typical follow-up sequence (collect, then optionally burn). Lacks explicit comparison to alternatives like increase_liquidity but the protocol flow is well described.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_uniswap_v3_increase_liquidityA
DestructiveIdempotent

Build an unsigned Uniswap V3 LP increaseLiquidity transaction — adds liquidity to an existing position identified by tokenId. Reads the position's (token0, token1, fee, tickLower, tickUpper) on-chain via positions(tokenId), so the caller only supplies the tokenId + amounts. Hard-refuses when the tokenId is not owned by wallet (the on-chain call would still succeed and route the deposit into someone else's position — the position owner gets the new liquidity). Use get_lp_positions to enumerate the wallet's tokenIds. Up to two ERC-20 approvals are chained ahead of the increaseLiquidity() call. v1 limitation: only WETH (not native ETH) is supported as a pair side; wrap ETH first via prepare_native_send to the WETH contract. Slippage defaults to 50 bps (0.5%); soft cap at 100 bps requires acknowledgeHighSlippage: true. Pass amount0Desired: "0" (or amount1Desired) for a single-sided range deposit when the current price is outside the position's range.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
tokenIdYesERC-721 tokenId of the Uniswap V3 LP NFT to add liquidity to. The position must be owned by `wallet` — the builder reads ownerOf(tokenId) and refuses if it doesn't match. Use `get_lp_positions` to enumerate the wallet's tokenIds.
amount0DesiredYesHuman-readable decimal amount of the position's token0 to add. NOT raw wei. Pass "0" for a single-sided range deposit when the current price is outside the position's range.
amount1DesiredYesHuman-readable decimal amount of the position's token1. Same shape as amount0Desired.
slippageBpsNoSlippage tolerance in basis points (1 bp = 0.01%). Default 50 bps (0.5%). Hard ceiling 500 bps; soft cap 100 bps requires acknowledgeHighSlippage: true.
acknowledgeHighSlippageNoRequired when slippageBps is in (100, 500]. Surface the trade-off to the user before proceeding.
deadlineSecNoSeconds from now until the on-chain `deadline` parameter expires. Default 1200 (20 min).
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses key behaviors: on-chain position reading via positions(tokenId), hard refusal for non-owned tokenIds, automatic chaining of ERC-20 approvals, WETH-only limitation, slippage defaults and caps, and the ability to do single-sided deposits. Annotations already indicate readOnlyHint false, destructiveHint true, idempotentHint true, and the description adds significant context beyond these, such as the refusal mechanism and approval chaining. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is informative and well-structured, starting with the main purpose, then explaining mechanics, warnings, limitations, and parameter details. Each sentence adds value, but it is slightly lengthy (6 sentences). It could be more concise by combining some points, but it remains clear and front-loaded. No redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (9 parameters, no output schema, annotations present), the description covers all critical aspects: purpose, when to use, preconditions, limitations, parameter behaviors, defaults, side effects (approvals), and related tools. The lack of output schema explanation is acceptable since the output is an unsigned transaction implied by 'build'. It addresses potential pitfalls (non-owned tokenId, WETH only) and provides enough context for an agent to use correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema covers 78% of parameters with descriptions, providing a solid baseline. The description adds extra meaning: for tokenId, it recommends get_lp_positions; for amount0Desired/amount1Desired, it explains the '0' case for single-sided deposits; for slippageBps, it states default and combination with acknowledgeHighSlippage; for deadlineSec, it gives default; for approvalCap, it details options. This additional context compensates for the missing schema descriptions on wallet and chain (which are standard).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned Uniswap V3 increaseLiquidity transaction for an existing position. It specifies the verb 'Build', the resource 'unsign Uniswap V3 LP increaseLiquidity transaction', and explicitly distinguishes from siblings like prepare_uniswap_v3_mint by focusing on adding liquidity to an existing position. It mentions related tools (get_lp_positions) and sets clear context.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit usage guidance: when to use (add liquidity to existing position), preconditions (tokenId must be owned by wallet, use get_lp_positions), limitations (only WETH, wrap native ETH via prepare_native_send), and parameter nuances (slippage defaults, soft cap requiring acknowledgeHighSlippage, single-sided deposit with amount0Desired: '0'). It effectively tells when not to use (non-owned tokenId) and directs to sibling tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_uniswap_v3_mintA
DestructiveIdempotent

Build an unsigned Uniswap V3 LP mint transaction — opens a new concentrated-liquidity position on the (tokenA, tokenB, feeTier) pool, bounded by [tickLower, tickUpper]. Up to two ERC-20 approvals are chained ahead of the mint() call (one per nonzero deposit side); USDT-style reset is handled automatically. The pool must already exist (initialized) — refuses with a clear error otherwise. Tick bounds MUST align to the fee tier's tickSpacing (100→1, 500→10, 3000→60, 10000→200); mis-aligned ticks are rejected rather than silently rounded. v1 limitation: only WETH (not native ETH) is supported as a pair side; wrap ETH first via prepare_native_send to the WETH contract. Slippage defaults to 50 bps (0.5%); soft cap at 100 bps requires acknowledgeHighSlippage: true. After signing the mint, the resulting LP NFT appears in get_lp_positions for the recipient address.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
tokenAYesFirst token in the LP pair. Pass either order; the builder canonically sorts to (token0, token1) before submission. Native ETH is NOT supported in v1 — wrap to WETH first via prepare_native_send to the WETH contract.
tokenBYesSecond token in the LP pair. Must differ from tokenA.
feeTierYesPool fee in hundredths of a bip: 100 = 0.01%, 500 = 0.05%, 3000 = 0.3%, 10000 = 1%. Each fee tier is a separate pool; pick the one that matches the pair's volatility.
tickLowerYesLower tick of the position's price range. MUST align to the fee tier's tickSpacing (100→1, 500→10, 3000→60, 10000→200) — mis-aligned ticks are rejected. Use Uniswap UI or a tick-from-price helper to derive the value; passing arbitrary ints risks creating a position at a price the user did not intend.
tickUpperYesUpper tick. Must be > tickLower and aligned to tickSpacing.
amountADesiredYesHuman-readable decimal amount of tokenA to deposit. Example: "100.5" for 100.5 USDC. NOT raw wei. Pass "0" for a single-sided range deposit when the current price is outside the range and only the other token is needed.
amountBDesiredYesHuman-readable decimal amount of tokenB. Same shape as amountADesired.
slippageBpsNoSlippage tolerance in basis points (1 bp = 0.01%). Default 50 bps (0.5%). Hard ceiling 500 bps; soft cap 100 bps requires acknowledgeHighSlippage: true. Higher slippage masks bad fills and is a sandwich-bait misconfiguration.
acknowledgeHighSlippageNoRequired when slippageBps is in (100, 500]. Surface the trade-off to the user before proceeding — wide slippage on an LP mint locks the unfavourable amounts.
deadlineSecNoSeconds from now until the on-chain `deadline` parameter expires. Default 1200 (20 min).
recipientNoAddress to receive the minted LP NFT. Default: wallet (the depositor).
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds substantial behavioral context beyond annotations: it discloses that up to two ERC-20 approvals are chained automatically, USDT-style reset is handled, the pool must exist (else error), misaligned ticks are rejected rather than silently rounded, and v1 limitation of no native ETH. It also mentions slippage behavior and post-mint visibility in get_lp_positions. Annotations indicate destructiveHint=true and idempotentHint=true, which align with the description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is dense but every sentence adds value. The main purpose is front-loaded in the first sentence. Subsequent sentences cover approvals, constraints, v1 limitations, slippage, and post-mint behavior. There is no filler or redundancy; each clause earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite having no output schema and 14 parameters (8 required), the description is remarkably complete. It explains the transaction building process, pre-requisites (pool existence, tick alignment), parameter behavior, error cases, v1 limitations, slippage, and follow-up actions (NFT appears in get_lp_positions). It effectively equips an AI agent to select and invoke the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 86% schema description coverage, the description adds significant meaning beyond the schema: it explains human-readable amounts vs raw wei, single-sided range deposits, tick alignment to tickSpacing, slippage defaults and soft caps, and approval cap options (unlimited/exact/specific). This provides essential context that the schema alone does not fully convey.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description uses specific verbs ('build', 'opens') and resource ('unsigned Uniswap V3 LP mint transaction') to clearly define the tool's purpose. It distinguishes from sibling tools like prepare_uniswap_v3_burn by focusing on minting a new concentrated-liquidity position, and it explicitly states the pool and tick bounds.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit when-to-use guidance for opening a new position, and when-not-to-use conditions: pool must exist, ticks must align to fee tier's tickSpacing, only WETH supported (not native ETH). It also mentions slippage defaults and the need for acknowledgeHighSlippage above 100 bps. However, it does not explicitly compare to sibling tools for existing positions (e.g., prepare_uniswap_v3_increase_liquidity), which would further clarify usage boundaries.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_uniswap_v3_rebalanceA
DestructiveIdempotent

Build an unsigned Uniswap V3 LP rebalance transaction — moves a position from its current tick range to a new one in a single multicall. Composes (in order): decreaseLiquidity(100%) + collect + (optional) burn + mint(new range). The position's (token0, token1, fee) carry over; only the tick range changes. Slippage is independently applied to the close + re-deposit phases — the effective tolerance against the spot price is roughly 2× the input bps. The description block calls this out explicitly. v1 amount-source: the new mint's amount0Desired/amount1Desired are estimated from the position's expected burn amounts at current price; on-chain the actual mint pulls bounded by what was actually collected, with surplus refunded to the wallet by the NPM. Up to two ERC-20 approvals are chained ahead of the multicall (the mint phase still needs them — collect routes the tokens back to the wallet, then mint pulls them again via transferFrom). Hard-refuses on owner mismatch, mis-aligned new ticks, identical new range, or zero-liquidity position.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
tokenIdYesERC-721 tokenId of the LP NFT to rebalance. Must be owned by `wallet`. Its (token0, token1, fee) are reused for the new mint — only the tick range changes.
newTickLowerYesLower tick of the NEW range. Must align to the position's fee-tier tickSpacing (100→1, 500→10, 3000→60, 10000→200) and be < newTickUpper.
newTickUpperYes
burnOldNoWhether to also burn the old NFT in the same multicall. Default true — the old position has zero liquidity after the close phase and a stub NFT serves no purpose. Set to false to keep the old tokenId alive (e.g. for off-chain bookkeeping).
slippageBpsNoSlippage tolerance in bps applied INDEPENDENTLY to the close phase (decreaseLiquidity floor) and the re-deposit phase (mint floor). The effective tolerance against the spot price is roughly 2× this value. Default 50 bps; soft cap 100 bps requires acknowledgeHighSlippage.
acknowledgeHighSlippageNo
deadlineSecNo
approvalCapNoCap on the ERC-20 approval preceding this action. Omit for "unlimited" (standard DeFi UX — fewer follow-up approvals). Pass "exact" to approve only what this action pulls. Pass a decimal string (e.g. "500") for a specific ceiling in the asset's human units; must be ≥ the action amount, otherwise the transaction would revert.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true. The description goes beyond by detailing the exact sequence of operations (decreaseLiquidity, collect, optional burn, mint), slippage applied independently to close and re-deposit phases, approval chaining, and hard refusals. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is detailed but efficiently packed. It front-loads the core purpose and then adds behavioral specifics. Some sentences are dense but still clear. Could be slightly more structured (e.g., use bullet points for the composition sequence), but overall concise for the complexity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given 10 parameters and no output schema, the description covers the operation's behavior, preconditions, and parameter nuances thoroughly. It explains the transaction flow, slippage handling, and approval needs. However, it does not describe the return type or structure of the unsigned transaction, which could be useful.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 50%, but the description adds meaningful context for key parameters like slippageBps (explains effective 2x tolerance), burnOld (explains default behavior and rationale), and approvalCap (explains options). For parameters without schema descriptions, the tool name and context provide some hints, but more could be added.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool builds an unsigned Uniswap V3 LP rebalance transaction, moving a position from its current tick range to a new one in a single multicall. It distinguishes from sibling tools like prepare_uniswap_v3_mint or prepare_uniswap_v3_decrease_liquidity by specifying the rebalance operation and the multicall composition.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explains when to use this tool (to rebalance a position) and explicitly lists hard refusals: owner mismatch, mis-aligned new ticks, identical new range, zero-liquidity position. It also implies when not to use it (e.g., for simple liquidity adjustments), providing clear usage boundaries.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

prepare_weth_unwrapA
DestructiveIdempotent

Build an unsigned WETH → native ETH unwrap transaction via a direct WETH.withdraw(uint256) call on the canonical WETH9 contract for the target chain. Supported chains: ethereum, arbitrum, polygon, base, optimism. Pass an explicit decimal amount (e.g. "0.5") or the literal "max" to unwrap the full WETH balance. WETH is always 18 decimals. No approval is required — the wallet burns its own balance and receives native ETH back in the same call; the call is cheaper than routing through a DEX/aggregator. Balance is checked pre-build and the call refuses with a clear message if the wallet is short, rather than letting the tx revert on-chain. For the symmetric wrap direction (native ETH → WETH), use prepare_native_send with the WETH contract as to — sending ETH to the WETH9 fallback triggers deposit() automatically.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
amountYesHuman-readable WETH amount, NOT raw wei. Example: "0.5" for 0.5 WETH. Pass "max" to unwrap the full WETH balance. WETH is always 18 decimals on every supported chain.

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (destructiveHint=true, readOnlyHint=false), the description adds that the wallet burns its own balance and receives native ETH, that it performs a pre-balance check and gives a clear error, and that it's cheaper than aggregators. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise and front-loaded, starting with the core purpose. It uses clear, direct language and avoids redundancy. It could be slightly more streamlined, but overall it is efficient and well-organized.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers the main action, parameters, and behavior, but lacks details about the return format (unsigned transaction object) and next steps for the caller. It mentions the alternative tool and balance checks, but does not explain how to utilize the built transaction. Given no output schema, this is a gap.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema has only 33% description coverage (only amount has a schema description). The description significantly compensates for the amount parameter by explaining the format (decimal or 'max') and the 18-decimal standard. It also lists supported chains (matching the enum) but doesn't add extra for wallet.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description specifies the tool's exact function: building an unsigned WETH withdrawal via WETH.withdraw(). It clearly distinguishes the resource (WETH on canonical contract) and verb (unwrap), and differentiates from sibling tool prepare_native_send for the wrap direction.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly tells when to use this tool (for WETH unwrap) and points to an alternative (prepare_native_send for the wrap). It also notes that no approval is needed and that it's cheaper than a DEX, but does not explicitly list when not to use it beyond mentioning the alternative.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

preview_sendA
Read-onlyIdempotent

EVM-only: finalize an already-prepared transaction for signing by pinning the nonce, EIP-1559 fees (maxFeePerGas, maxPriorityFeePerGas), and gas limit server-side, then computing the EIP-1559 pre-sign RLP hash Ledger will display in blind-sign mode. Returns a LEDGER BLIND-SIGN HASH content block the user reads BEFORE you call send_transaction — the Ledger device prompt blocks the MCP tool call, so the hash must be surfaced now, not after. The pinned tuple is stashed against the handle and forwarded verbatim on send_transaction so the on-device hash is deterministic. If gas conditions drift while the user reviews, call preview_send again on the same handle to refresh the pin (overwrites the prior one). send_transaction will throw a clear error if called without a prior preview_send. Not applicable to TRON handles (USB HID signing flow, no WalletConnect). For Solana handles use preview_solana_send — it pins a fresh blockhash instead of nonce + EIP-1559 fees.

ParametersJSON Schema
NameRequiredDescriptionDefault
handleYesOpaque handle returned by a prepare_* tool. preview_send fetches the current nonce + EIP-1559 fees + gas limit, stashes them against the handle, computes the EIP-1559 pre-sign RLP hash Ledger will display in blind-sign mode, and returns the LEDGER BLIND-SIGN HASH block so the user can see and confirm the hash BEFORE the Ledger device prompt appears. A follow-up send_transaction call forwards the pinned fields verbatim. Handles expire 15 minutes after prepare. Once a pin exists, re-calling preview_send on the same handle returns the existing pin unchanged unless `refresh: true` is passed.
refreshNoSet to true to re-pin nonce/fees/gas (e.g. after the user paused for minutes and wants fresh fees). Default is false: the existing pin and its pre-sign hash are returned verbatim, so the hash the user matched in chat cannot silently drift between preview and send.

TDQS

A5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations provide readOnlyHint, idempotentHint, openWorldHint. Description adds behavior: server-side pinning, hash computation, block return, handle expiration (15 min), re-call behavior (with/without refresh), deterministic forwarding to send_transaction. Rich context beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Five sentences, each adding critical info: purpose, why surface now, stashing mechanism, refresh behavior, exclusions and error. No fluff, front-loaded with key constraint 'EVM-only'.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema but 2 parameters, description thoroughly covers all behavioral aspects, lifecycle, error conditions, and alternatives. No missing information for an AI agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers both parameters (handle, refresh) with descriptions, but description adds significant meaning: handle's lifecycle (from prepare_*, link to send_transaction, expiration, refresh behavior), refresh semantics (re-pin vs return existing). No gaps.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Description clearly states 'EVM-only: finalize an already-prepared transaction for signing by pinning the nonce, EIP-1559 fees... and computing the EIP-1559 pre-sign RLP hash'. It uses specific verbs and resources, and distinguishes from siblings like preview_solana_send and send_transaction.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use: before send_transaction, and why (Ledger blocks tool call). Provides exclusions: not for TRON or Solana, and directs to preview_solana_send for Solana. Covers edge cases like re-calling to refresh and error if no prior call.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

preview_solana_sendA
Read-onlyIdempotent

Solana-only: finalize a prepared Solana tx for signing by fetching a FRESH recent blockhash, serializing the message bytes, and computing the base58(sha256(...)) Message Hash the Ledger Solana app will display on blind-sign. MUST be called between prepare_solana_* and send_transaction — Solana blockhashes expire after ~150 blocks (~60s), and the prepare → user-approve → broadcast path on a live Ledger routinely runs longer than that. Splitting the blockhash pin off prepare lets the user see-and-match the hash seconds before tapping Approve, with the full ~60s window available for the broadcast. Returns the pinned UnsignedSolanaTx (messageBase64 + ledger Message Hash) plus the CHECKS PERFORMED agent-task block the agent must auto-run. Re-callable on the same handle: re-calling overwrites the prior pin with a newer blockhash (useful if the user pauses between preview and send). send_transaction will throw a clear error if called without a prior preview_solana_send.

ParametersJSON Schema
NameRequiredDescriptionDefault
handleYesOpaque handle returned by prepare_solana_native_send / prepare_solana_spl_send. preview_solana_send fetches a fresh Solana blockhash, serializes the message bytes, computes the base58(sha256(...)) Message Hash the Ledger Solana app will display on blind-sign, and pins the handle so send_transaction can consume it. MUST be called between prepare_solana_* and send_transaction — the pair is separated because a Solana blockhash is only valid ~60s and prepare→user-approve routinely blows that window. Re-callable on the same handle to re-pin with a newer blockhash if the user pauses.

TDQS

A3.8/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses that the tool modifies state by pinning the handle, but the annotation readOnlyHint=true contradicts this. Per the scoring rule, a contradiction earns a score of 1.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is detailed but well-structured, front-loading the purpose and providing necessary context without extraneous content. Slightly verbose but each sentence earns its place.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no output schema, the description fully covers return values (UnsignedSolanaTx, messageBase64, ledger Message Hash, CHECKS PERFORMED), error handling, and workflow dependencies. No gaps remain.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, so baseline is 3. The description adds context about re-callability and workflow, but the parameter description in the schema already conveys the necessary meaning. No significant extra value.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool finalizes a prepared Solana transaction for signing, specifies the actions (fetching blockhash, serializing, computing hash), and distinguishes it from sibling tools like prepare_solana_* and send_transaction by positioning it as an intermediate step.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states that the tool MUST be called between prepare_solana_* and send_transaction, explains why due to blockhash expiry, and notes that it is re-callable. Also warns that send_transaction will error if called without a prior preview.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

read_contractA
Read-onlyIdempotent

READ-ONLY — call any view/pure function on any verified-ABI EVM contract. Mirrors Etherscan's "Read Contract" tab and the symmetric counterpart of prepare_custom_call. Use for the long tail of on-chain reads no protocol-specific tool covers: OZ AccessControl role members (getRoleMember(bytes32,uint256), hasRole(bytes32,address)), governance proposal state, oracle prices, vault share prices, Safe owner enumeration, ERC-1155 balances, etc. ABI source: pass abi: [...] inline (preferred when you have the project's published artifact) OR omit it and the tool fetches via Etherscan V2 — refuses on unverified contracts with NO raw-bytecode fallback. Proxies are followed once to the implementation when Etherscan exposes the link. Pass fn as a name ("getRoleMember") when unambiguous, or as the full signature ("getRoleMember(bytes32,uint256)") to disambiguate overloads. args types are validated by viem's encoder — uint256 expects a decimal string, address expects 0x-prefixed hex, bytes32 expects 0x-prefixed 64-hex (e.g. an OZ role hash like keccak256("EXECUTOR_ROLE") = 0xd8aa0f3194971a2a116679f7c2090f6939c8d4e01a2a8d7e41d55e5351469e63). Refuses on functions whose stateMutability is not view or pureeth_call would simulate a state-changing function and return a hypothetical result that has not occurred on-chain. Use prepare_custom_call for writes.

ParametersJSON Schema
NameRequiredDescriptionDefault
chainNoethereum
contractYesTarget contract address. Must be Etherscan-verified OR the `abi` arg must be passed inline.
fnYesFunction name to call (e.g. "getRoleMember"). Pass the FULL signature ("getRoleMember(bytes32,uint256)") to disambiguate when the ABI has overloads for the same name.
argsNoArray of args matching the function's inputs in order. Decimal strings for uint256 (e.g. "0"), 0x-prefixed hex for bytes32/bytes (e.g. an OZ role hash like keccak256("EXECUTOR_ROLE")), lowercase 0x-prefixed addresses, plain numbers/booleans for primitives, nested arrays/objects for structs and tuples.
abiNoInline ABI array. When omitted, the tool fetches it via Etherscan V2. Pass it to override the Etherscan ABI, to call a contract whose source isn't yet verified, or to call through a proxy whose implementation can't be auto-followed.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate readOnly, destructive=false, idempotent, openWorld. The description adds critical behavioral traits: it follows proxies once, refuses non-view/pure functions, fetches ABI from Etherscan or requires inline ABI, validates types via viem. No contradictions; the description enriches transparency significantly.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is thorough and well-structured, starting with a clear one-line summary. It covers many edge cases without being overly verbose. A slight reduction in examples could improve conciseness, but overall it is efficient and front-loaded.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (5 parameters, 2 required, no output schema), the description covers inputs, behavior, and restrictions thoroughly. It omits explicit return value format, but since the return is dynamic (function-dependent), this is acceptable. Provides sufficient context for an AI to use the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 80%, but the description adds substantial meaning: explains ABI fetching options, function name disambiguation (full signature), argument type formatting with examples (decimal strings for uint256, hex for bytes32, addresses), and the `abi` parameter's override purpose. This goes well beyond the schema defaults and patterns.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it is a read-only tool for calling view/pure functions on EVM contracts, with explicit examples and a direct distinction from the write sibling `prepare_custom_call`. It covers the exact resource (contract state) and verb (read via function call), leaving no ambiguity.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly guides when to use (long tail of on-chain reads not covered by protocol-specific tools) and when not to (state-changing functions, unverified contracts without ABI). It provides alternative tool (`prepare_custom_call`) for writes, and offers detailed guidance on function disambiguation and argument formatting.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

register_btc_multisig_walletA
Idempotent

One-time registration of a multi-sig Bitcoin wallet policy with the Ledger BTC app (BIP-388 wallet policies). REQUIREMENTS: Ledger plugged in over USB, device unlocked, the 'Bitcoin' app open on-screen. Constructs a wsh(sortedmulti(M,@0/**,@1/**,...)) descriptor from the supplied cosigners, verifies the connected Ledger's master fingerprint matches exactly one cosigner slot, calls Ledger's registerWallet (the device walks every cosigner xpub fingerprint on-screen for verification — the user MUST confirm each fingerprint matches what they expect, since this is the moment that anchors the policy), and persists the descriptor + 32-byte HMAC. The HMAC is reused on every subsequent sign_btc_multisig_psbt call so the user only walks the descriptor approval flow once per setup. Phase 2 scope: P2WSH (wsh) only. Hard-validates every cosigner xpub via @scure/bip32 round-trip — typos that would silently register a wallet we can never sign with are refused up-front.

ParametersJSON Schema
NameRequiredDescriptionDefault
nameYesUser-chosen label for the multi-sig setup, e.g. "Family vault". Must be printable ASCII, ≤ 16 bytes (Ledger BTC app caps wallet-policy names at 16 bytes). Surfaces on-device during the registration approval flow and is the lookup key for `sign_btc_multisig_psbt`. Must be unique within the registered wallet set.
thresholdYesM in M-of-N. Must be ≥ 1 and ≤ cosigner count. Phase 2 hard-caps at 15 (the Ledger BTC app's wallet-policy limit).
cosignersYesCosigner slots in the order they should appear in the descriptor's `@N` slots. Slot order is part of the descriptor identity — every cosigner must agree on the same ordering or they'll register different wallets. Exactly one entry's fingerprint+xpub must match the connected Ledger; the device flags it `isOurs` and uses it for signing. Phase 2 requires ≥ 2 cosigners (1-of-1 is single-sig).
scriptTypeYesScript type for the multi-sig wrapper. Phase 2 supports "wsh" only (P2WSH native segwit, `bc1q...`-style addresses). Taproot multi-sig and P2SH-wrapped multi-sig are deferred.

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses detailed behavior: descriptor construction, fingerprint verification, on-device confirmation process, HMAC persistence, and xpub validation. Annotations already provide idempotentHint, and the description adds rich behavioral context without contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is thorough and front-loaded with core purpose and requirements. While a bit lengthy, every sentence adds value. Could be slightly tighter but is well-structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity and lack of output schema, the description covers prerequisites, process steps, limitations (Phase 2), and mentions related tools. It is complete for an agent to understand usage and expectations.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and the schema descriptions are already comprehensive. The tool description adds context (e.g., BIP-388, HMAC reuse) but does not significantly enhance per-parameter meaning beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool registers a multi-sig Bitcoin wallet policy with the Ledger BTC app (BIP-388). It uses specific verbs and resource, distinguishing it from siblings like sign_btc_multisig_psbt and unregister_btc_multisig_wallet.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly lists requirements (Ledger connected, unlocked, Bitcoin app open) and scope (Phase 2, P2WSH only). It implies this is a one-time setup before signing, but does not explicitly state when not to use or alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

remove_contactA
DestructiveIdempotent

Remove a labeled contact. Without chain, removes the label from EVERY chain that has it (one device interaction per chain when removing a signed entry). With chain, removes only that chain's entry — the label can survive on other chains. The unsigned metadata row (notes / tags) is dropped only when no chain still references the label. Issues CONTACTS_LABEL_NOT_FOUND if neither the signed disk nor the unsigned in-memory store has the label. Issue #428: unsigned-only removals never need a Ledger; mixed labels (signed entry on one chain + unsigned on another) require pairing only for the signed-entry chain.

ParametersJSON Schema
NameRequiredDescriptionDefault
labelYesHuman-readable label, used to look up the contact by name in every prepare flow. Must be unique within a chain — adding the same label twice on the same chain replaces the address.
chainNoIf specified, removes the label from THAT chain only. If omitted, removes the label from EVERY chain that has it (one device interaction per chain).

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description goes beyond annotations by detailing the removal process across chains, conditions for dropping unsigned metadata, error codes (CONTACTS_LABEL_NOT_FOUND), and Ledger pairing needs. It also references issue #428 for additional context. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is detailed and well-organized, but slightly verbose. It front-loads the core action and then provides conditional explanations. Every sentence adds value, though some complexity could be streamlined.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers behavior and error conditions thoroughly but omits the return value or confirmation of success. Since no output schema exists, this gap reduces completeness for an agent expecting a response format.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Both parameters have schema descriptions (100% coverage). The description adds extra meaning by explaining the effect of the chain parameter on removal scope and the concept of signed vs unsigned entries. This enhances understanding beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool removes a labeled contact and distinguishes behavior with and without the chain parameter. It references siblings like add_contact and list_contacts implicitly, and the name is self-explanatory.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly explains when to use the chain parameter (to remove from a specific chain) versus omitting it (remove from all chains). It also covers Ledger requirements for different scenarios. However, it does not explicitly mention when not to use this tool compared to siblings, though the context makes it clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

request_capabilityA

File a capability request against the vaultpilot-mcp GitHub repository when the user asks for something this server cannot do (e.g. an unsupported protocol, chain, token, or missing tool). USE ONLY AFTER confirming no existing tool can accomplish the task. By default this returns a pre-filled GitHub issue URL — NO data is transmitted; the user must click through to submit. If the operator has configured VAULTPILOT_FEEDBACK_ENDPOINT, it posts directly to that proxy instead. Rate-limited per install (30s between calls, 3/hour, 10/day, 7-day dedupe on identical summaries). Write clear, actionable summaries — this lands in a real issue tracker read by humans.

ParametersJSON Schema
NameRequiredDescriptionDefault
summaryYesOne-line title of the missing capability (used as the GitHub issue title). E.g. 'Support Aerodrome LP positions on Base' or 'Add Pendle PT/YT position reader'.
descriptionYesWhat the user asked for, what the agent tried, what's missing, and why the existing tools don't cover it. Include protocol name, chain, contract addresses, and a concrete example if relevant.
categoryNoRough bucket to help triage.
contextNo
agentNameNoMCP client identifier (e.g. 'Claude Code', 'Cursor'). Helps triage.

TDQS

A5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses that by default no data is transmitted (only a pre-filled URL), explains alternative posting behavior, rate limiting, and dedupe. Annotations (readOnlyHint=false, destructiveHint=false, etc.) are consistent and description adds critical behavioral context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Concise yet comprehensive: purpose, usage guideline, behavior modes, rate limits, and writing advice in a few sentences. Front-loaded with purpose and critical usage constraint.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given 5 parameters (2 required), nested context object, and no output schema, the description fully covers behavior, response modes, rate limits, and dedupe. Schema descriptions handle parameter details, so description completes the picture.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 80%, and the description enriches parameter semantics by advising on how to write summaries and descriptions (e.g., 'One-line title...', 'What the user asked for...'). This goes beyond the schema's field descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it files a capability request for missing functionality, with specific examples (unsupported protocol, chain, token, missing tool). It distinguishes itself from siblings by being the fallback when no tool exists.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says 'USE ONLY AFTER confirming no existing tool can accomplish the task.' Provides when-to-use, alternative approach, and details on behavior (GitHub URL vs direct post, rate limits, dedupe).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

rescan_btc_accountA
Read-onlyIdempotent

READ-ONLY — refresh the cached on-chain txCount for every paired Bitcoin address under one Ledger account by re-querying the indexer. Pure indexer-side: NO Ledger / USB interaction. Use this after the user has received funds (so a previously-empty cached address now has history) or when the indexer was stale at the original pair_ledger_btc scan time. Updates the persisted cache, so subsequent get_btc_account_balance reflects the refresh without another rescan. Three-state extend signal: needsExtend: true (trailing buffer address on any cached chain has on-chain history — re-run pair_ledger_btc to extend the walked window); unverifiedChains: [...] (tail probe REJECTED for that chain — indeterminate, usually a transient indexer hiccup, re-run rescan_btc_account rather than re-pairing); neither field present → all walked chains confirmed healthy. Indexer fan-out is bounded to BITCOIN_INDEXER_PARALLELISM concurrent requests (default 8) to stay under mempool.space's free-tier rate limits; transient 429s and network errors are retried once internally.

ParametersJSON Schema
NameRequiredDescriptionDefault
accountIndexYesLedger Bitcoin account slot to rescan. Must already be paired (call `pair_ledger_btc` first). Re-queries the indexer for the live `txCount` of every cached address under this account and updates the persisted cache — useful after the user has received funds or the indexer was stale at original scan time. Pure indexer-side: no Ledger / USB interaction. Returns: `needsExtend: true` when the trailing empty address on any cached chain now has history (re-pair to extend the walked window); `unverifiedChains: [...]` when the tail probe ITSELF rejected (transient indexer hiccup, status indeterminate — re-run `rescan_btc_account` rather than re-pairing).

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations declare readOnlyHint=true, destructiveHint=false, idempotentHint=true, and openWorldHint=true. The description adds rich context: retries transient errors, bounded parallel requests, pure indexer-side, and details the three-state return signal (needsExtend, unverifiedChains). No contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single dense paragraph that efficiently covers purpose, usage, state signals, and limitations without wasted words. Structurally front-loaded with the main action.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given complexity (rescan, indexer, state signals), annotations, and thorough input schema, the description is complete. It explains the return behavior (three-state signal), rate limits, and retry logic, compensating for the lack of an output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, with a detailed parameter description in the input schema. The tool description does not add new information about the parameter beyond what is already in the schema, so it meets the baseline but does not exceed it.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states the verb 'refresh' and the resource 'cached on-chain txCount for every paired Bitcoin address under one Ledger account', clearly distinguishing it from siblings like pair_ledger_btc (initial pairing) and get_btc_account_balance (reading cache).

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description specifies when to use ('after user has received funds' or 'indexer was stale at original scan time'), clarifies no Ledger/USB interaction, and explains the three-state extend signal to guide next actions (re-run vs. re-pair), providing explicit alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

rescan_ltc_accountA
Read-onlyIdempotent

READ-ONLY — refresh the cached on-chain txCount for every paired Litecoin address under one Ledger account by re-querying the indexer. Pure indexer-side: NO Ledger / USB interaction. Use this after the user has received funds (so a previously-empty cached address now has history) or when the indexer was stale at the original pair_ledger_ltc scan time. Updates the persisted cache, so subsequent get_ltc_balance reflects the refresh without another rescan. Three-state extend signal: needsExtend: true (trailing buffer address on any cached chain has on-chain history — re-run pair_ledger_ltc to extend the walked window); unverifiedChains: [...] (tail probe REJECTED for that chain — indeterminate, usually a transient indexer hiccup, re-run rescan_ltc_account rather than re-pairing); neither field present → all walked chains confirmed healthy. Indexer fan-out is bounded to LITECOIN_INDEXER_PARALLELISM concurrent requests (default 8) to stay under litecoinspace.org's free-tier rate limits; transient 429s and network errors are retried once internally.

ParametersJSON Schema
NameRequiredDescriptionDefault
accountIndexYesLedger Litecoin account slot to rescan. Must already be paired (call `pair_ledger_ltc` first). Re-queries the indexer for the live `txCount` of every cached address under this account and updates the persisted cache — useful after the user has received funds or the indexer was stale at original scan time. Pure indexer-side: no Ledger / USB interaction. Returns: `needsExtend: true` when the trailing empty address on any cached chain now has history (re-pair to extend the walked window); `unverifiedChains: [...]` when the tail probe ITSELF rejected (transient indexer hiccup, status indeterminate — re-run `rescan_ltc_account` rather than re-pairing).

TDQS

A4.7/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint and no destructiveness; description adds valuable context: retries on transient errors, parallelism bounded to LITECOIN_INDEXER_PARALLELISM, three-state extend signal, and no Ledger interaction. Slightly verbose but no contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is well-structured with clear sections but is slightly repetitive (e.g., 'Pure indexer-side: NO Ledger / USB interaction' appears twice). Still, every sentence adds value and it's easy to parse.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description fully explains the three-state extend signal, indexer behavior (parallelism, retries), and when to use alternative tools. Covers all necessary context for correct invocation and interpretation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and the description adds significant meaning beyond schema: explains the return signals (needsExtend, unverifiedChains), that it updates persisted cache, and the use case for accountIndex. Parameter description in schema is also detailed.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description starts with 'READ-ONLY — refresh the cached on-chain `txCount` for every paired Litecoin address under one Ledger account by re-querying the indexer,' clearly stating the verb and resource, and distinguishes itself from siblings like rescan_btc_account and pair_ledger_ltc by specifying Litecoin and indexer-side operation.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use: 'after the user has received funds (so a previously-empty cached address now has history) or when the indexer was stale at the original `pair_ledger_ltc` scan time.' Also provides exclusions: 'Pure indexer-side: NO Ledger / USB interaction,' and alternatives (re-run pair_ledger_ltc for needsExtend, re-run rescan for unverifiedChains).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

resolve_ens_nameA
Read-onlyIdempotent

Resolve an ENS name (e.g. vitalik.eth) to an Ethereum address via mainnet ENS resolver. Returns null if unregistered.

ParametersJSON Schema
NameRequiredDescriptionDefault
nameYes

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare read-only, non-destructive, idempotent, and open-world hints. The description adds useful behavioral details: uses mainnet ENS resolver and returns null for unregistered names. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single sentence that is concise and front-loaded with the action. Includes an example and behavior on failure. No unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple lookup tool with one parameter and no output schema, the description covers purpose, input (with example), network (mainnet), and return value (address or null). No critical information is missing.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 0% for the 'name' parameter. The description adds meaning by specifying it as an ENS name with an example, but it lacks explicit format or constraints like 'must end with .eth'.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states that the tool resolves an ENS name to an Ethereum address via mainnet ENS resolver, with an example and clarification that it returns null if unregistered. This distinguishes it from sibling tools like reverse_resolve_ens.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implicitly specifies when to use (when you have an ENS name and need the address) but does not explicitly mention when not to use or provide alternatives. However, the purpose is clear enough.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

resolve_tokenA
Read-onlyIdempotent

Resolve a (chain, symbol) pair to its canonical contract address + decimals from the curated registry. Supports EVM chains (ethereum, arbitrum, polygon, base, optimism), Solana, and TRON. Surfaces native-vs-bridged ambiguity verbatim — e.g. asking for USDC on Arbitrum returns the native Circle USDC contract AND a hasBridgedVariant warning with the USDC.e legacy-bridged contract in alternatives[], so the agent can offer the user the actual choice instead of silently picking one. Asking for USDC.e directly returns the bridged contract with an isBridgedVariant warning + the native USDC alternative. Same shape on Polygon/Optimism (USDC.e) and Base (USDbC is the bridged form there). By design, this tool is canonical-registry-only — it does NOT probe on-chain to resolve unknown symbols, since an attacker can deploy a contract that returns "USDC" from symbol() and is wholly unrelated to the real Circle stablecoin. Unknown symbols throw with a list of registry hits on that chain so the agent can suggest the right one. USE THIS BEFORE prepare_token_send when the user names a token by symbol — surface any warnings to the user before passing the resolved contract through to prepare_token_send. If the desired token isn't in the registry, look up the contract on a block explorer and call prepare_token_send directly with the explicit address.

ParametersJSON Schema
NameRequiredDescriptionDefault
chainYesChain the symbol is on. Restricted to the chains with curated token tables. BTC + LTC have no token concept and aren't accepted.
symbolYesToken symbol to resolve (case-insensitive, but the canonical-registry key casing wins on output). Examples: "USDC", "USDC.e", "USDbC", "WETH", "BONK". The resolver does NOT probe on-chain — only canonical-registry hits succeed, by design (stops phishing-token symbol collisions from being resolved silently).

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Description reveals key behaviors beyond annotations: canonical-registry-only, no on-chain probing, bridged variant warnings, and error handling with suggestions. Annotations indicate readOnly and idempotent, which description reinforces.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Concise while covering main purpose, edge cases, and usage guidance. Front-loaded with core function, then details, then actionable advice. No wasted sentences.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given complexity (multi-chain, bridged tokens, no output schema), description fully prepares the agent: what to expect, how to handle ambiguity, unknown tokens, and integration with sibling tool. Complete for safe usage.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, but description adds value with examples, case-insensitivity note, and explanation of registry-only resolution. This supplements schema meaningfully.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Resolve a (chain, symbol) pair to its canonical contract address + decimals from the curated registry.' It specifies supported chains and highlights ambiguity handling, distinguishing it from tools like `prepare_token_send`.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly advises 'USE THIS BEFORE `prepare_token_send` when the user names a token by symbol' and provides guidance for unknown symbols, including alternatives like calling `prepare_token_send` with explicit address.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

reverse_resolve_ensB
Read-onlyIdempotent

Reverse-resolve an Ethereum address to its primary ENS name. Returns null if no primary name is set.

ParametersJSON Schema
NameRequiredDescriptionDefault
addressYes

TDQS

B3/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate readOnlyHint and idempotentHint. The description adds that it returns null if no primary name is set, which is useful behavioral detail. No contradictions, but additional traits like network dependency or error handling are omitted.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single concise sentence that includes the action and return behavior. It is front-loaded and contains no extraneous information, though it could slightly expand on address formats without losing conciseness.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple lookup without output schema, the description mentions the return value (null if unset). However, it lacks context on supported networks, potential errors, and assumes the agent knows ENS mechanics. It is adequate but not thorough.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 0% schema coverage, the description must elaborate on the parameter. It says 'Ethereum address' but the schema allows three patterns, only one of which is Ethereum. This adds partial meaning but is inaccurate for the other formats and does not explain their purpose or validity.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool reverse-resolves an Ethereum address to its primary ENS name, distinguishing it from forward resolution (e.g., resolve_ens_name). However, it mentions only 'Ethereum address' while the input schema includes patterns for non-Ethereum addresses (T and base58), causing slight ambiguity.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description does not explicitly state when to use this tool vs alternatives. It implies reverse resolution but lacks guidance on prerequisites, network context, or exclusions. The sibling `resolve_ens_name` is not mentioned, leaving the agent to infer the differentiation.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

revoke_readonly_inviteA
DestructiveIdempotent

Revoke a previously-generated read-only share invite by name. Marks the issuer-side record as revoked at the current time. Important caveat (Model A): this is issuer-side BOOKKEEPING — it does NOT recall the token already in the recipient's hands. Anyone holding the raw token can still query the listed addresses (chain reads are public regardless of whether the issuer wants the share to continue). Genuine recall requires Model B (hosted enforcement endpoint), deferred. Returns { revoked: { id, name, revokedAt } } on success; refuses if the name is unknown or already revoked.

ParametersJSON Schema
NameRequiredDescriptionDefault
nameYes

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (destructiveHint=true, idempotentHint=true), the description details behavioral traits: it marks the record as revoked at the current time, does not recall the token, and returns a specific structure. It does not contradict any annotations and adds valuable context about the limitation of the operation.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single paragraph of four sentences, each serving a purpose: stating the action, the caveat, the limitation, and the return/error conditions. It is front-loaded with the main action. While compact, it could be slightly restructured for clarity but is not overly verbose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the relatively simple tool with one parameter and no output schema, the description is comprehensive. It covers the action, important caveats, return format, error conditions, and differentiation from a more comprehensive recall mechanism. It provides enough context for an AI agent to use correctly without needing additional information.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With only one parameter (`name`) and 0% schema coverage, the description adds meaning by specifying it is the invite name and that the tool refuses if the name is unknown or already revoked. The schema provides pattern constraints, and the description adds context about the parameter's role and validation behavior.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Revoke a previously-generated read-only share invite by `name`', using a specific verb and resource. It distinguishes itself from sibling tools like 'generate_readonly_link' by focusing on revocation and from 'list_readonly_invites' by being a mutation. The caveat about issuer-side bookkeeping further differentiates it from a hypothetical genuine recall tool.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly explains when to use this tool: only for issuer-side bookkeeping, not for actual token recall. It mentions the limitation that anyone holding the token can still query addresses, and that genuine recall requires Model B (hosted enforcement endpoint), deferred. It also states conditions for success and refusal (if name unknown or already revoked), providing clear guidance on when to invoke.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

send_transactionA
Destructive

Forward an already-prepared transaction to the Ledger device for user signing. Routes on the handle's origin: EVM handles (prepare_aave_*, prepare_compound_*, prepare_swap, prepare_native_send, ...) go through Ledger Live via WalletConnect; TRON handles (prepare_tron_*) go through the directly-connected Ledger over USB HID and are broadcast via TronGrid. In both cases the user must review and physically approve the tx on the Ledger screen; this call blocks until the user signs or rejects. EVM handles REQUIRE a prior preview_send(handle) call in the same session — send_transaction reads the pinned nonce + fees + gas stashed on the handle and will throw a clear error if the pin is missing. The split exists so the LEDGER BLIND-SIGN HASH is surfaced to the user BEFORE the blocking device prompt. You MUST pass confirmed: true — the agent is affirming that the user has seen and acknowledged the decoded preview AND the LEDGER BLIND-SIGN HASH emitted by preview_send. EVM handles ADDITIONALLY require passing previewToken (the opaque string returned in preview_send's top-level JSON response) and userDecision: "send" (set after the user has replied "send" to the EXTRA CHECKS menu emitted by preview_send's agent-task block). Together these prove the agent actually surfaced the preview-time gate to the user instead of collapsing preview_send + send_transaction into one silent step — missing/mismatched values cause a clear-error refusal. TRON handles ignore both args. For TRON handles, pair_ledger_tron must have been called at least once per session (so the TRON app has been opened on the device) and the Ledger must still be plugged in with the TRON app open at send time; preview_send is skipped (TRON has its own clear-sign UX on-device).

ParametersJSON Schema
NameRequiredDescriptionDefault
handleYesOpaque handle returned by a prepare_* tool in the `handle` field of the UnsignedTx. Raw calldata is NOT accepted — the handle is the only way to name a tx for signing, so the tx the user previewed is exactly the tx sent to Ledger. If the tx chain has a `next` step (e.g. approve → swap), each step has its own handle; call send_transaction once per handle in order. Handles expire 15 minutes after prepare and are single-use.
confirmedYesMust be literally `true`. The agent is affirming that the user has seen and acknowledged the decoded preview returned by the preceding prepare_* call. This is a schema-enforced contract — omitting it fails validation before any tx is submitted.
previewTokenNoRequired for EVM and Solana (ignored for TRON — TRON has no preview step). Opaque token returned by the preceding `preview_send` (EVM) or `preview_solana_send` (Solana) call in its top-level JSON response. Must be passed back verbatim here — a mismatch or omission proves preview was skipped or re-run after capture, and send_transaction refuses. Closes the gap where the agent collapses preview + send into one step without surfacing the CHECKS PERFORMED block to the user.
userDecisionNoRequired on every chain (EVM / Solana / TRON). The agent sets this to the literal "send" AFTER presenting the CHECKS PERFORMED block (EVM / Solana) or the VERIFY-BEFORE-SIGNING block (TRON) and receiving the user's explicit 'send' reply. Schema-enforced contract that the preview-time / prepare-time summary was surfaced to the user, not skipped. Missing value → send_transaction refuses with a clear error.
acknowledgeRetryRiskAfterAmbiguousFailureNoRequired ONLY when re-calling send_transaction on an EVM handle whose previous attempt returned a `WalletConnectRequestTimeoutError` (no_broadcast / consumed_unmatched / ambiguous_disagreement). Issue #326 P3: a previous timeout-with-probe outcome leaves the device in an uncertain state — Ledger Live may have silently completed signing in the background, and a blind retry queues a duplicate signing prompt that LOOKS exactly like a key-leak attack pattern (two prompts for the same nonce). The flag is the agent's schema-level confirmation that the user has been told about the duplicate-prompt risk (reject any duplicate prompt; the original tx will land normally) AND has verified via a block explorer that no tx with the pinned nonce has landed in the last ~5 minutes. Without this flag on a marked handle, send_transaction refuses and surfaces the previous outcome's recovery guidance. Cleared by the ack itself — a SECOND ambiguous outcome on the retry requires another explicit ack. EVM-only; ignored on TRON / Solana / BTC / LTC handles since their signing paths don't go through WalletConnect.

TDQS

A4.8/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description discloses key behaviors beyond annotations: blocks until user signs/rejects, reads pinned nonce, requires prior preview_send for EVM, handles token expiry and single-use, and explains the retry risk acknowledgment. No contradiction with annotations (readOnlyHint false, destructiveHint true).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured with a clear opening sentence and logical flow by chain. However, it is verbose (multiple paragraphs) and could be slightly more concise without losing critical context for an AI agent.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (5 params, no output schema), the description covers usage, prerequisites, parameter behavior, error conditions, and security considerations. However, it does not describe the return value (e.g., transaction hash), leaving a minor gap.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The description adds significant meaning beyond the input schema, including the rationale for parameters like previewToken (to prevent skipping preview), userDecision (user affirmation), and acknowledgeRetryRiskAfterAmbiguousFailure (duplicate prompt risk). It explains chain-specific parameter handling (e.g., TRON ignores previewToken).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool forwards a prepared transaction to a Ledger device for user signing, differentiating between EVM and TRON handling. It specifies the verb (send) and resource (transaction via handle), and distinguishes itself from sibling prepare_* and preview_send tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit when-to-use guidance: after a prepare_* call, with EVM requiring a prior preview_send and TRON requiring pair_ledger_tron. It details required parameters (confirmed: true, previewToken, userDecision) and conditions for acknowledgeRetryRiskAfterAmbiguousFailure. It also warns against using raw calldata.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

set_demo_walletA
Idempotent

DEMO MODE ONLY — switch the active demo wallet via one of three input shapes. Once a wallet is set, demo mode upgrades from default (signing-class tools refuse) to live mode (prepare_*, simulate_*, preview_send run REAL against the wallet's on-chain state; send_transaction returns a simulation envelope instead of broadcasting). INPUT SHAPES: (1) { chain, type } — per-cell loader. e.g. { chain: 'bitcoin', type: 'whale' } loads ONE address into the BTC slot, leaving evm/solana/tron slots untouched. Multiple per-cell calls accumulate; same chain twice replaces. Chains: evm | solana | tron | bitcoin. Types: defi-degen | stable-saver | staking-maxi | whale. Some cells are intentionally null (BTC defi-degen, Solana staking-maxi, etc.) — call get_demo_wallet first to see the matrix. (2) { persona } — batch loader. Same as four per-cell calls for one type at once. Convenience for 'load me a whole whale wallet across every chain that has one'. (3) { custom: { evm: [...], solana: [...], tron: [...], bitcoin: [...] } } — arbitrary addresses (read-only, no security risk). Pass {} (no args) to clear and return to default demo mode. Calling outside demo mode (env unset) returns a no-op response — the tool stays available so an agent can always discover the surface, but never affects real signing.

ParametersJSON Schema
NameRequiredDescriptionDefault
chainNoChain dimension of the demo-wallet matrix. Pair with `type` to load a single (chain, type) cell. Replaces any previous slot for this chain; other chains stay as they are.
typeNoType / archetype dimension of the demo-wallet matrix. Pair with `chain` to load a single (chain, type) cell.
personaNoPersona / type ID to batch-activate across every chain that has a curated cell. Convenience over four `{ chain, type }` calls. Mutually exclusive with `chain`+`type` and with `custom`. Omit all three to clear the live wallet.
customNoCustom address bundle. Mutually exclusive with `chain`+`type` and `persona`. At least one chain field must be non-empty.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description fully discloses behavioral traits: it upgrades demo mode from default to live, affects tools like prepare_* and send_transaction, describes per-cell replacement semantics, and clarifies that empty args clear the wallet. No contradictions with annotations (idempotentHint=true matches replace behavior).

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is dense and well-structured with numbered lists for input shapes. It is slightly verbose but every sentence adds value. Front-loading the core purpose helps.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (three input shapes, demo mode behavior, side effects on other tools), the description is remarkably complete. It covers edge cases (null cells, no-op outside demo mode), clearing wallet, and the impact on other tool groups. No output schema is needed as behavior is fully described.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, and the description adds significant value beyond schema: mutual exclusivity of parameter groups, examples for each shape, explanation of per-cell vs batch loading, and clarification of null cells. This fully compensates for the lack of an output schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: switching the active demo wallet via three input shapes. It distinguishes itself from siblings like 'get_demo_wallet' and 'exit_demo_mode' by specifying its unique role in demo mode configuration.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly limits usage to demo mode, explains the three input shapes with examples, and notes that calling outside demo mode returns a no-op. It could be enhanced by explicitly mentioning when to prefer alternatives like 'exit_demo_mode', but the context is clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

set_etherscan_api_keyA
Idempotent

Set an Etherscan V2 API key for EVM transaction-history / allowance-enumeration / tx-explanation reads at runtime — no restart required. Takes precedence over ETHERSCAN_API_KEY env var and userConfig. One key works across all 5 supported EVM chains (Ethereum / Arbitrum / Polygon / Base / Optimism) via Etherscan's V2 unified API. Designed for the demo-mode flow where users want to enable tx-history / allowance / explain_tx tools without restarting their MCP client, but works in any mode. INPUT: bare API key only (34-char alphanumeric, e.g. ZQTKPM98R5N4YT8GMTBI3XR2P4HFZNTAYG). Pasting a URL is rejected to prevent prompt-injection redirects. WHERE TO GET ONE: https://etherscan.io/myapikey — sign in, click "Add", copy the key. Free tier covers personal-volume use comfortably (5 calls/sec, 100K calls/day). PERSISTENCE: process memory only. To save across restarts, run vaultpilot-mcp-setup (after exiting demo mode if applicable) and paste the same key when prompted. AGENT BEHAVIOR: when the user pastes a key in chat ('here's my Etherscan key: <34 chars>'), call this tool immediately. NEVER echo the key back in any subsequent response — treat it as secret-shaped.

ParametersJSON Schema
NameRequiredDescriptionDefault
apiKeyYesEtherscan V2 API key (34-char alphanumeric, e.g. ZQTKPM98R5N4YT8GMTBI3XR2P4HFZNTAYG). Get one for free at https://etherscan.io/myapikey. One key works across all 5 supported EVM chains via the V2 unified API. Stored in process memory only — survives until the MCP server restarts.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses persistence (process memory only, not across restarts), security (URL rejection for prompt-injection), and idempotent nature beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured with clear sections, but slightly verbose; however, all content is valuable and no redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

No output schema, but description adequately explains the side-effects (enables tools, persistence, agent behavior). Could mention return value briefly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers 100% of param, but description adds crucial details: bare key only, example, where to get, and security constraint (no URL).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states verb 'Set' and resource 'Etherscan V2 API key' with specific purpose for EVM reads. Distinguishes from sibling like set_helius_api_key.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly describes when to use (demo-mode flow, enabling tools without restart), precedence over env var, and agent behavior (call immediately, never echo key).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

set_helius_api_keyA
Idempotent

Set a Helius API key for Solana RPC reads at runtime — no restart required. The server constructs the canonical Helius mainnet URL (https://mainnet.helius-rpc.com/?api-key=<KEY>) internally and uses it for every subsequent Solana call until the process restarts. Takes precedence over SOLANA_RPC_URL env var and userConfig. Designed for the demo-mode flow where users want to fix Solana rate-limits without restarting their MCP client, but works in any mode. INPUT: bare API key only (UUID format, 8-4-4-4-12 hex). Pasting a URL is rejected to prevent prompt-injection redirects to malicious endpoints. WHERE TO GET ONE: https://dashboard.helius.dev/ — sign in (GitHub or email), copy the default API key auto-created on first login. Free tier covers personal-volume Solana reads + writes. PERSISTENCE: process memory only. To save across restarts, run vaultpilot-mcp-setup (after exiting demo mode if applicable) and pick "Solana RPC URL" — paste the same key there. AGENT BEHAVIOR: when the user pastes a key in chat ('here's my Helius key: '), call this tool immediately. NEVER echo the key back in any subsequent response — treat it as secret-shaped even though Helius keys can be regenerated.

ParametersJSON Schema
NameRequiredDescriptionDefault
apiKeyYesHelius API key (UUID format: 8-4-4-4-12 hex chars). Get one for free at https://dashboard.helius.dev/. Pass the bare key — the server constructs the canonical Helius mainnet URL internally. Stored in process memory only — survives until the MCP server restarts.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations declare idempotentHint=true, readOnlyHint=false, destructiveHint=false. The description adds context: runtime-only memory, takes precedence over env var, rejects URLs to prevent prompt injection, and clarifies persistence. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is front-loaded with the main action and well-organized, though somewhat lengthy. Every sentence adds value, but slight trimming could improve conciseness. Still very good.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description explains the effect (used for subsequent Solana calls until restart), security considerations, persistence, and agent behavior. Complete for a simple setter tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The single parameter 'apiKey' is fully described in both schema (coverage 100%) and in the description, which adds detail about UUID format, bare key requirement, and where to obtain it. The description enhances understanding beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool sets a Helius API key for Solana RPC reads at runtime without restart, constructs the canonical URL, and explains its precedence. This is a specific verb+resource that distinguishes it from sibling tools like set_demo_wallet or set_etherscan_api_key.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides explicit when-to-use guidance: 'when the user pastes a key in chat...call this tool immediately.' It also tells where to get the key (Helius dashboard), what not to do (never echo the key), and offers an alternative for persistence across restarts (vaultpilot-mcp-setup).

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

share_strategyA
Read-onlyIdempotent

Generate a shareable, anonymized JSON snapshot of the user's portfolio STRUCTURE — protocol + asset + percentage of total — with NO addresses, NO absolute USD values, NO transaction hashes. Use this when the user wants to share their setup ("here's my Solana yield-farming strategy") with another VaultPilot user. Pass at least one of wallet / tronAddress / solanaAddress / bitcoinAddress / litecoinAddress, plus a name and optional description / authorLabel / riskProfile. The recipient pastes the returned jsonString into their own VaultPilot via import_strategy for read-only inspection. v1 emits JSON only; URL hosting is deferred to v2 (depends on hosted-MCP infra). Privacy guard: a regex scan runs on the output before emit and refuses (RedactionError) if any EVM 0x address, TRON T-address, Solana base58 pubkey, 64-hex tx hash, or Solana signature is detected anywhere in the JSON — including in user-supplied free-form fields. Percentages are rounded to 1 decimal to avoid wallet-fingerprint leakage. The strategy describes structure only; recipients cannot replicate amounts or addresses. Read-only — no signing, no broadcast.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNoEVM wallet whose positions feed the strategy structure. At least one of `wallet` / `tronAddress` / `solanaAddress` / `bitcoinAddress` / `litecoinAddress` is required.
tronAddressNoTRON mainnet base58 address (T-prefix).
solanaAddressNoSolana mainnet base58 pubkey.
bitcoinAddressNoBitcoin mainnet address (any of legacy/p2sh-segwit/bech32/bech32m).
litecoinAddressNoLitecoin mainnet address (any of legacy/p2sh/p2sh-segwit/bech32).
nameYesShort human-readable strategy name. e.g. 'stable yield with mild leverage'.
descriptionNoOptional longer description. Free-form; redaction scan applies.
authorLabelNoOptional author handle / label. Omit for an anonymous strategy (no identifier emitted).
riskProfileNoSelf-declared risk profile. Free-form metadata for the recipient — we don't compute or validate it.

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already indicate readOnly, non-destructive, idempotent. The description adds detailed behavioral traits: privacy guard regex scan, redaction error, rounding percentages, read-only nature, no signing/broadcast. This far exceeds annotation coverage.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured with clear separation of purpose, usage, privacy guard, and version notes. While slightly lengthy, every sentence contributes meaningful information, making it efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the complexity (9 parameters, privacy concerns, and lack of output schema), the description adequately covers all necessary context: what the output is (jsonString), how it's used, privacy protections, rounding behavior, and version limitations. It feels complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with all 9 parameters described. The description adds value by clarifying required address groups, free-form fields subject to redaction, and the role of 'name'. It provides useful context beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states it generates a shareable, anonymized JSON snapshot of portfolio structure with clear exclusions (no addresses, USD values, hashes). It distinguishes from sibling tools like import_strategy by explaining the workflow.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description says 'Use this when the user wants to share their setup' and explains the recipient workflow. It lacks explicit when-not-to-use scenarios but provides clear context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

sign_btc_multisig_psbtA
DestructiveIdempotent

Co-signer flow — adds OUR Ledger signature to a multi-sig PSBT produced by an external initiator (Sparrow / Specter / Caravan / a peer running this server). Looks up the registered wallet by name, decodes the PSBT, validates every input carries a bip32_derivation entry for our master fingerprint (defense against being tricked into signing for a foreign tx), forwards to the Ledger device for the on-device output walkthrough (the user MUST verify every output address + amount on-device matches the chat-side verification block before approving), splices our partial signature(s) into the PSBT, returns the partial PSBT for the user to share back to the coordinator. We do NOT finalize or broadcast — that's the initiator's job once they have all M signatures. Phase 2 scope: P2WSH wallets registered via register_btc_multisig_wallet.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNameYesName of a previously-registered multi-sig wallet (matches the `name` passed to `register_btc_multisig_wallet`). Refused if no wallet is registered under this name.
psbtBase64YesBase64-encoded PSBT v0 from the initiator. Every input must carry a `bip32_derivation` entry for our master fingerprint, or we refuse to forward to the device. The Ledger app then walks every output (address + amount) on-device and asks for confirmation; the user MUST verify the on-device walk matches the chat-side verification block before approving. Cap of ~200 KB to bound transport buffer + on-device parsing time.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate destructiveHint=true and idempotentHint=true. The description adds rich behavioral details: decodes PSBT, validates bip32_derivation as a security check, forwards to Ledger for output walkthrough, splices signatures, and returns partial PSBT. It explains the size limit and that signing is irreversible. No contradiction with annotations; it significantly supplements them.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single paragraph but efficiently packs all necessary information. It front-loads the core purpose ('Co-signer flow') and then logically flows through steps, constraints, and security notes. Every sentence adds value without redundancy. For the complexity of the tool, it is remarkably concise.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (multi-sig signing with Ledger, security checks), the description is complete. It references the prerequisite registration tool, explains the workflow, user verification step, return value (partial PSBT), and limitations (no finalization). It covers all essential aspects without needing an output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Input schema has 100% description coverage with both parameters well-documented. The description adds extra context beyond the schema, such as the validation step (bip32_derivation check) and the requirement that the wallet must be registered. While the schema already provides the basics, the description enhances understanding with workflow details, justifying a score above baseline 3.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool is for co-signing a multi-sig PSBT by adding our Ledger signature. It specifies the initiators (Sparrow, Specter, etc.) and distinguishes from siblings like finalize_btc_psbt by explicitly noting we do not finalize or broadcast. The verb 'sign' and resource 'BTC multisig PSBT' are exact, and it differentiates from other signing tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It explicitly says when to use: when an external initiator produces a PSBT needing our signature. It also tells when not to use: we don't finalize or broadcast, and it only works for wallets registered via register_btc_multisig_wallet. The description includes prerequisites (registered wallet, PSBT with bip32_derivation) and user responsibilities (verify outputs on-device). Clear context with exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

sign_message_btcA
DestructiveIdempotent

Sign a UTF-8 message with a paired Bitcoin address using the Bitcoin Signed Message format (BIP-137). Returns a base64-encoded compact signature with a header byte that matches the address-type convention (legacy / P2SH-wrapped / native segwit) AND messageSha256 — a lowercase hex SHA-256 of the exact UTF-8 bytes submitted to the device (Inv #8 byte-fingerprint, issue #454). Surface messageSha256 in the verbatim message-sign block so the user can recompute on a separate device (printf '%s' '<message>' | sha256sum) and catch unicode-confusable substitution attacks the Ledger Nano OLED can't show in full. The Ledger BTC app prompts the user to confirm the message text on-device before signing — same clear-sign UX as send-side flows. DRAINER-STRING REFUSAL (issue #454): the MCP refuses messages containing value-transfer / authorization markers (transfer / authorize / grant / custody / release / consent) or explicit drainer templates ("I authorize", "granting full custody", "I consent to", "I hereby transfer", "release my") BEFORE any device interaction — fires regardless of agent cooperation. Legitimate Sign-In-with-Bitcoin / proof-of-funds flows don't use these markers. Taproot (bc1p…) addresses are refused: BIP-322 (taproot's canonical message scheme) is not yet exposed by the Ledger BTC app; sign with one of your other paired address types from the same Ledger account instead.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesPaired Bitcoin source address. Must already be in `pairings.bitcoin` (call `pair_ledger_btc` first). Phase 1 message-signing supports legacy (`1...`), P2SH-wrapped (`3...`), and native segwit (`bc1q...`); taproot (`bc1p...`) is refused because BIP-322 — taproot's canonical scheme — is not yet exposed by the Ledger BTC app.
messageYesUTF-8 message to sign. Typical Sign-In-with-Bitcoin payloads are a few hundred chars; capped at 10000 because the Ledger BTC app's on-device review window chunks the message into 16-char segments and a multi-KB string isn't realistically reviewable.

TDQS

A4.7/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations declare destructiveHint=true and idempotentHint=true. The description adds significant behavioral context: it returns a base64 signature and messageSha256, refuses drainer strings before any device interaction, refuses taproot addresses with an explanation, and describes the on-device confirmation UX. No contradictions with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured with the core purpose first, followed by details on messageSha256, UX, drainer refusal, and taproot refusal. While verbose, every sentence adds value and the structure helps readability. Minor reduction could improve conciseness but is not detrimental.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

There is no output schema; the description partially covers return fields (base64 signature and messageSha256) but does not specify exact output structure. Considering complexity (param details, refusal logic, UX), it is fairly complete. An explicit output field list would enhance completeness.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with descriptions for both parameters. The tool description adds meaningful context: for 'wallet', it lists supported/refused address types and requires prior pairing; for 'message', it explains typical size, max length rationale, and UTF-8 encoding. This goes beyond the schema's basic constraints.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: signing a UTF-8 message with a paired Bitcoin address using BIP-137, specifying the return format (base64 signature and messageSha256). It distinguishes itself from siblings by explicitly refusing taproot addresses and drainer strings, and mentions the on-device UX. This provides a specific verb and resource with clear scope.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly states when to use the tool (for signing messages with Bitcoin addresses that are legacy, P2SH-wrapped, or native segwit) and when not to use (for taproot addresses or messages containing drainer strings). It provides an alternative: use a different paired address type. It also mentions that legitimate Sign-In-with-Bitcoin flows don't use the refused markers, guiding the agent on appropriate use cases.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

sign_message_ltcA
DestructiveIdempotent

Sign a UTF-8 message with a paired Litecoin address using the BIP-137 compact-signature scheme (with Litecoin's \x19Litecoin Signed Message:\n prefix). Returns the signature plus messageSha256 — lowercase hex SHA-256 of the exact UTF-8 bytes submitted to the device (Inv #8 byte-fingerprint, issue #454); surface in the verbatim block so the user can recompute on a separate device. Same on-device clear-sign UX as sign_message_btc. DRAINER-STRING REFUSAL (issue #454): refuses messages containing value-transfer / authorization markers or explicit drainer templates BEFORE any device interaction — same allowlist as sign_message_btc. Taproot (ltc1p…) is refused — BIP-322 isn't exposed by the Ledger Litecoin app.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYesPaired Litecoin source address. Must already be in `pairings.litecoin`. Taproot (`ltc1p...`) is refused — BIP-322 is not yet exposed by the Ledger Litecoin app.
messageYesUTF-8 message to sign.

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations provide destructiveHint and idempotentHint, but description adds critical behavior: BIP-137 scheme, return of signature+messageSha256, drainer-string refusal before device interaction, and Taproot refusal. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is dense but well-structured, front-loading purpose. Could be slightly streamlined but effectively communicates key points without excess.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, description explains return values, UX, refusal conditions, and wallet constraints. References sibling tool. Complete for the tool's complexity.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers both parameters with descriptions. Description adds value by confirming wallet must be paired, reiterating Taproot refusal, and providing context on message encoding and prefix. Adds beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool signs a UTF-8 message with a paired Litecoin address using BIP-137, specifying the prefix, return values, and linking to sibling sign_message_btc for UX similarity. It distinguishes by coin and refusal of Taproot.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Implied usage is signing Litecoin messages. It provides conditions for refusal (drainer strings, Taproot) and mentions same UX as BTC sibling, but lacks explicit alternative or when-not-to-use guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

simulate_position_changeA
Read-onlyIdempotent

Simulate the effect of adding or removing collateral, or borrowing/repaying debt on a lending position. Returns the projected health factor and collateral/debt totals. Supports Aave V3 (default), Compound V3 (pass protocol: "compound-v3" + market Comet address), and Morpho Blue (pass protocol: "morpho-blue" + marketId bytes32). No transaction is sent.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletYes
chainNoethereum
actionYes
assetYes
amountUsdYes
protocolNoaave-v3
marketNo
marketIdNo

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true. The description adds value by specifying 'No transaction is sent' and detailing the return of projected health factor and totals. It also explains multi-protocol support, which goes beyond annotations. No contradictions found.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is three sentences with no fluff. First sentence states purpose and return. Second sentence details protocol-specific parameters. Third sentence confirms no transaction. Front-loaded and efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given 8 parameters, no output schema, and multi-protocol support, the description adequately covers the core functionality. It explains how to configure different protocols and what the tool returns. However, it lacks detailed output structure (e.g., return type of health factor) and edge cases, so slightly incomplete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

With 0% schema coverage, the description must compensate. It clarifies the 'protocol' parameter and its dependent parameters (market for Compound, marketId for Morpho). However, it does not explain 'wallet', 'chain', 'asset', 'amountUsd', or 'action' beyond listing action types. The description provides partial but insufficient detail for all 8 parameters.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool simulates adding/removing collateral or borrowing/repaying debt on a lending position. It specifies the verb 'simulate', the resource 'lending position', and mentions returns (health factor, totals). This distinguishes it from sibling tools like prepare_* which actually execute transactions, and from get_lending_positions which reads current state.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implicitly guides when to use (e.g., 'No transaction is sent' indicates it's for preview). It lists supported protocols and how to specify them (protocol, market, marketId). However, it does not explicitly state when not to use or provide alternatives like 'use prepare_* for actual execution', leaving some ambiguity.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

simulate_transactionA
Read-onlyIdempotent

Run an eth_call against the chain's RPC to simulate a transaction without signing or broadcasting it. Returns { ok, returnData?, revertReason? }. Use this BEFORE prepare_*/send_transaction to verify a contract call does what you expect — e.g. does wrapping ETH by sending to WETH9's fallback succeed, does a custom calldata revert, what selector gets hit. For state-dependent calls (WETH deposit credits msg.sender, ERC-20 transfer debits msg.sender), pass the user's wallet as from. Prepared transactions are also re-simulated automatically at send_transaction time — this tool lets the agent check ahead. NEVER call this on a tx that depends on an approval you just submitted but haven't yet waited on: the approval must be included on-chain (poll get_transaction_status until confirmed) before the dependent tx will simulate correctly — otherwise you get a misleading 'insufficient allowance' revert.

ParametersJSON Schema
NameRequiredDescriptionDefault
chainNoethereum
fromNomsg.sender to simulate from. Omit for a state-independent call; include the user's wallet when the target contract's behavior depends on the caller (e.g. WETH9.deposit credits msg.sender, ERC-20 transfer debits msg.sender).
toYes
dataNoHex-encoded calldata. Omit for a plain value transfer.
valueNoValue to send with the call, in wei as a decimal string. Omit for 0. Example: "500000000000000000" for 0.5 ETH.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds significant detail beyond annotations: no signing/broadcasting, return format includes {ok, returnData?, revertReason?}, and explains state-dependent behavior (msg.sender) and need for approval confirmation. Annotations already declare readOnlyHint, so no contradiction.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Every sentence serves a purpose: definition, return, use case, examples, and warnings. No redundancy, well-structured with logical flow from what to when and how not to use.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Despite no output schema, the description fully explains the return format. Covers prerequisites (approval confirmation), state-dependency, and usage context. Comprehensive for a simulation tool with behavioral nuances.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 60% (from, data, value have descriptions; chain and to lack). The description compensates by explaining the purpose of 'from' for state-dependent calls and 'data'/'value' formats, but does not add detail for 'chain' or 'to' beyond schema. Overall adds value but not perfectly comprehensive.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool simulates an eth_call without signing/broadcasting, returns a structured object, and distinguishes from prepare_*/send_transaction tools. Examples like WETH wrapping and custom calldata reinforce the specific verb and resource.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit guidance to use before prepare_*/send_transaction to verify contract calls. Specifically warns against calling after an unconfirmed approval, providing a clear 'when not to use' scenario. Implicitly contrasts with send_transaction for actual execution.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

submit_safe_tx_signatureA
DestructiveIdempotent

After the on-chain approveHash tx has been mined (broadcast via send_transaction from the receipt of prepare_safe_tx_propose or prepare_safe_tx_approve), post the signature to Safe Transaction Service. Verifies on-chain that approvedHashes(signer, safeTxHash) != 0 first — refuses to post when the underlying approval doesn't exist yet. Auto-detects whether to call proposeTransaction (creates a new queue entry — when this server proposed the tx) or confirmTransaction (adds a signature to an existing entry — when another client proposed it). Returns the Safe Web UI deep-link so the user / co-signers can see the queue state.

ParametersJSON Schema
NameRequiredDescriptionDefault
signerYes
safeAddressYes
chainNoethereum
safeTxHashYes

TDQS

A4.1/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description reveals important behaviors beyond annotations: on-chain verification before posting, auto-detection of proposeTransaction vs confirmTransaction, and return of a Safe UI deep-link. It adds depth to the destructiveHint and idempotentHint annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured and front-loaded with the key action and context. While slightly long, each sentence adds value. Minor redundancy could be trimmed, but overall it is efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers the sequence, preconditions, and return value, but leaves gaps: parameter meanings are unclear, especially the absence of a signature parameter. The relationship with siblings is partially explained but could be more precise. Given the complexity and lack of output schema, more detail on parameters is needed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has 0% description coverage, yet the description fails to explain the role of each parameter. Notably, the 'signature' is not a parameter, while the tool claims to 'post the signature.' The description does not clarify how the signature is obtained or what the signer, safeAddress, chain, and safeTxHash represent in this context.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: after the on-chain approveHash transaction is mined, post the signature to the Safe Transaction Service. It specifies the action and distinguishes it from siblings like prepare_safe_tx_* by detailing the follow-up step and auto-detection behavior.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit guidance is given: use after the approveHash tx is mined. It also describes preconditions (on-chain approval must exist) and refusal behavior. While it does not explicitly list alternatives, the context clearly indicates it is a post-approval step.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

unregister_btc_multisig_walletA
DestructiveIdempotent

Drop a registered multi-sig wallet from the local cache. The Ledger device retains the policy HMAC indefinitely (no on-device unregister API), so re-registering with the SAME descriptor + cosigners returns the same HMAC the device already has. This tool only forgets the local-disk entry — call it before re-registering with different cosigners under the same name, or to clean up wallets you no longer use. Idempotent: returns removed: false when the name isn't registered. No device touch.

ParametersJSON Schema
NameRequiredDescriptionDefault
walletNameYesName of the wallet to drop from the local cache. Idempotent — succeeds with `removed: false` when the name isn't registered. The Ledger device retains the policy HMAC indefinitely (no on-device unregister API), so re-registering the same descriptor returns the same HMAC; this tool only forgets the local entry.

TDQS

A4.5/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Beyond annotations (destructiveHint, idempotentHint), the description explains that the Ledger device retains the policy HMAC, the tool only forgets local entry, and idempotency with `removed: false` response. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured with clear front-loading: purpose first, then behavioral context, then usage guidance. Every sentence adds value, though slightly verbose; could be slightly tighter.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Covers purpose, Ledger behavior, usage scenarios, and idempotency. Lacks explicit output format details, but description hints at return value. Adequate for a simple tool with no output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema already provides a detailed description of walletName, covering idempotency and HMAC retention. The main description does not add new parameter-specific information beyond what's in the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Drop a registered multi-sig wallet from the local cache.' It uses specific verb (drop) and resource (BTC multisig wallet), distinguishing it from siblings like register_btc_multisig_wallet.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicit guidance: 'call it before re-registering with different cosigners under the same name, or to clean up wallets you no longer use.' Also explains the device's HMAC retention, setting expectations for re-registration behavior.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

verify_contactsA
Read-onlyIdempotent

Explicit re-verify. Returns one row per requested chain: { chain, ok, anchorAddress?, version?, entryCount?, reason?, unsignedEntryCount? }. Useful for periodic integrity checks or after a suspected tamper event. Does NOT throw on per-chain failure — caller inspects the results array. Issue #428: unsignedEntryCount is the count of in-memory unsigned entries on this chain (omitted when zero). When a chain has only unsigned entries, ok: false, reason: "no signed entries on this chain (unsigned-only)", unsignedEntryCount: N so the agent surfaces the unsigned overlay rather than silently dropping it. In demo mode, returns a count of in-memory entries per chain with anchorAddress: "DEMO_ANCHOR".

ParametersJSON Schema
NameRequiredDescriptionDefault
chainNoIf specified, only verifies that chain's blob. Otherwise verifies every populated chain.

TDQS

A4.4/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

The description adds significant behavioral detail beyond the annotations: explains per-chain failure handling (no throw), special cases for unsigned entries (with specific reason and field), and demo mode behavior. Annotations already declare read-only, idempotent, open-world hints, but the description enriches these with concrete outputs and edge cases.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is front-loaded with purpose and return format, followed by use case and important behavioral notes. It includes issue reference and two edge case explanations. While informative, it is slightly dense; could be more structured (e.g., bullet points), but remains clear and efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description thoroughly explains the return structure including all fields, optional fields, and special cases (unsigned entries, demo mode). It covers expected behavior for different scenarios, making it complete for agent invocation.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema already provides full description for the optional 'chain' parameter with enum values and behavior. The description does not add new semantic meaning about the parameter itself; it focuses on return values. With 100% schema coverage, baseline score of 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it is an 'Explicit re-verify' tool, specifies the return format per chain, and distinguishes its purpose as periodic integrity checks or tamper event response. It is specific and contextualized among many sibling tools.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly gives use cases ('periodic integrity checks or after a suspected tamper event'). It notes that it does not throw on per-chain failure, guiding how to handle results. However, it does not provide explicit alternatives or when-not-to-use compared to sibling verification tools.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

verify_ledger_attestationA
Read-onlyIdempotent

READ-ONLY Secure Element attestation challenge (issue #325 P1). INTENDED behavior: issue a fresh nonce APDU to the device, receive the SE's attestation signature, verify locally against Ledger's published attestation root CA. CURRENT behavior: returns status: "not-implemented" with a structured explanation — the actual cryptographic check is gated on live-device research that hasn't happened yet (canonical APDU for current firmware, PEM/DER of Ledger's attestation root CA, signature-verification algorithm). Sibling defenses cover most of the threat surface in the meantime: verify_ledger_firmware (P3, #354), verify_ledger_live_codesign (P4, #360), the WC peer pin (P5, #356), and the per-chain device identity binding at signing time. The tool surface is shipped now so future research can fill in the implementation without a redesign.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true, openWorldHint=true. The description adds value by explaining the current limitation (returns 'not-implemented' with explanation) and the reasons (missing APDU, CA, algorithm). No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is detailed but somewhat verbose, covering both intended and current behavior, sibling defenses, and future plans. It is front-loaded with 'READ-ONLY Secure Element attestation challenge', but could be more concise by separating the limitation from the core purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description explains the return format ('status: "not-implemented"' with structured explanation) and provides context about sibling tools and the research gap. This is complete for a tool in development.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has no parameters (0 params, 100% coverage). The description does not need to explain any parameters, and it appropriately avoids adding unnecessary information. Baseline score for 0 params is 4.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the intended behavior: issue a nonce APDU, receive attestation, verify against Ledger's root CA. However, it also notes the current implementation returns 'not-implemented'. The tool's purpose is well-defined but not fully operational, which reduces clarity slightly.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly says the tool is READ-ONLY, lists sibling tools that cover the threat surface in the meantime (e.g., verify_ledger_firmware, verify_ledger_live_codesign), and explains that the cryptographic check is pending research. This provides clear guidance on when to use alternatives.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

verify_ledger_firmwareA
Read-onlyIdempotent

READ-ONLY firmware-pinning check (issue #325 P3). Reads the connected Ledger's Secure Element firmware version + MCU bootloader version + device target_id via the dashboard-level getDeviceInfo APDU (CLA=0xE0 INS=0x01), asserts them against a hardcoded canonical manifest covering Nano S Plus / Nano X / Stax / Flex. REQUIRES the device to be in DASHBOARD MODE — no app open. Ask the user to close every Ledger app (return to the dashboard / home menu) before calling. Returns one of: verified (firmware in known-good list), warn (at or above floor but not in known-good — likely a fresh Ledger release we haven't manifest-bumped; surface to user but proceed), below-floor (firmware below the supported floor — refuse signing until upgraded via Ledger Live Manager), unknown-device (target_id doesn't match any known model — too-new MCP / discontinued / counterfeit), wrong-mode (an app is open — close apps and retry), no-device (no Ledger over USB), error (unexpected failure). One USB round-trip; never throws — surfaces every failure as a structured verdict for the agent to relay.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true, and openWorldHint=true. The description adds substantial behavioral context: 'One USB round-trip; never throws — surfaces every failure as a structured verdict', the exact APDU command, and the mode requirement. This goes well beyond the annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is fairly long but efficiently packed. It front-loads the key purpose and then provides necessary details in a logical order. Every sentence adds value, though some internal details (like the full APDU command) could be considered extraneous for usage decisions, but they still enhance transparency.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

There is no output schema, so the description must explain return values, which it does exhaustively (seven structured verdicts). It also covers prerequisites, mode requirements, and error conditions. For a tool with no parameters and no output schema, this is exceptionally complete.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The input schema has no parameters, so schema coverage is trivially 100%. The description adds meaning by explaining what data is checked and the possible return values, but since there are no parameters to document, the baseline is 4.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states a specific verb+resource: 'READ-ONLY firmware-pinning check' that reads firmware version and asserts against a manifest. It distinguishes itself from siblings like get_ledger_device_info or verify_ledger_attestation by detailing its exact purpose and structured outputs.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description explicitly states a critical prerequisite: 'REQUIRES the device to be in DASHBOARD MODE — no app open. Ask the user to close every Ledger app...' It also explains that opening an app will result in a 'wrong-mode' verdict. However, it does not explicitly name alternative tools or conditions when not to use this tool, which would have earned a 5.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

verify_ledger_live_codesignA
Read-onlyIdempotent

READ-ONLY codesign verification of the on-disk Ledger Live binary (issue #325 P4). Per-platform: macOS uses codesign --verify --deep --strict + Apple Team ID match; Windows uses PowerShell Get-AuthenticodeSignature + Subject substring match; Linux verifies the AppImage's embedded PGP signature is present (full key fingerprint pinning is a follow-up). Defaults to the platform's canonical install path; pass binaryPath to override (REQUIRED on Linux — no canonical AppImage location). Returns: verified (signature valid + matches Ledger), mismatch (signed by someone else — likely self-built / dev Ledger Live or a tampered binary), invalid (signature failed verification), not-found (no install at the expected path), platform-not-supported (Linux flatpak/snap/dpkg or unknown OS), tool-missing (codesign / powershell unavailable), error. NEVER refuses signing — surfaces the verdict for the agent to relay. Run after first install / Ledger Live update / OS update. Codesign tools take 100s of ms so this is NOT auto-fired on every signing call.

ParametersJSON Schema
NameRequiredDescriptionDefault
binaryPathNoAbsolute path to the Ledger Live binary or app bundle. Optional on macOS / Windows (defaults to canonical install path). REQUIRED on Linux — pass the absolute path to your downloaded AppImage. flatpak / snap / dpkg installs aren't supported by this check; use your package manager's verify command instead.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations declare readOnly and idempotent; description reinforces READ-ONLY, explains that it never refuses signing but surfaces verdict, and describes execution time. No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Well-structured with key info front-loaded, but slightly verbose. Still, every sentence adds value, so it's efficient.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given no output schema, the description fully explains all possible return values, platform-specific behavior, limitations, and prerequisites. An agent can confidently select and invoke this tool.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The parameter's schema description already provides basics, but the tool-level description adds critical context: defaults, requirement on Linux, and unsupported installs. This significantly aids correct invocation.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it performs codesign verification of the Ledger Live binary across three platforms, with per-platform tooling and return values. It distinguishes from sibling verification tools by specifying binary codesign specifically.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to run (after install/update/OS update), warns about Linux path requirement and unsupported installs, and advises not to auto-fire due to latency. Provides alternatives for unsupported package managers.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

verify_tx_decodeA
Read-onlyIdempotent

Independent server-side cross-check of a prepared EVM tx's calldata. Fetches the function signature(s) registered for the 4-byte selector on 4byte.directory (a public registry), re-decodes the calldata via viem against each candidate, and re-encodes to prove the signature describes the exact calldata bytes losslessly. Returns a VerifyDecodeResult whose summary field is pre-written for end-user consumption — the orchestrator should relay it verbatim. Status values: match (independent decode agrees with local ABI), mismatch (function-name disagreement — DO NOT SEND), no-signature / error / not-applicable (no independent check possible; fall back to the swiss-knife URL). On TRON, returns not-applicable — TRON transactions carry no 4-byte selector so this cross-check doesn't apply. Handle is the same opaque ID returned by any prepare_* tool. NEVER do this check by scripting ad-hoc WebFetches to 4byte or swiss-knife; always call this tool so the check runs through a single auditable code path. This is deliberately more expensive than a 4byte-selector lookup — it proves the FULL calldata (not just the function name) is consistent with the independent signature.

ParametersJSON Schema
NameRequiredDescriptionDefault
handleYesOpaque handle returned by any prepare_* tool. Use this when the original prepare_* response (and its VERIFY-BEFORE-SIGNING block) has been dropped from your context — the server re-emits the exact same JSON + verification block from in-memory state. Read the response from this tool directly; never recover verification data by reading tool-result files from disk.

TDQS

A4.9/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Discloses that it fetches from 4byte.directory, re-decodes via viem, re-encodes, and is more expensive than a simple selector lookup. Describes the summary field as pre-written for end-user consumption. No contradiction with annotations (readOnlyHint true, etc.). Adds value beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is lengthy but every sentence provides necessary context. It is well-structured, starting with core purpose and then details. Slightly verbose but justified by complexity; could be trimmed slightly without losing value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's role in transaction verification, the description covers all essential aspects: input, process, output (VerifyDecodeResult with summary), special case TRON, status meanings, and warnings. No output schema but enough detail for an agent to use correctly. Annotations support its safety.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The single parameter 'handle' is explained in detail: it is the opaque ID from prepare_* tools, to be used when context is lost; the server re-emits the same data; warns against reading from disk. This adds significant meaning beyond the schema description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it performs an independent server-side cross-check of an EVM transaction's calldata. It specifies the verb (verify, cross-check) and resource (EVM tx calldata), and distinguishes itself from ad-hoc alternatives ('NEVER do this check by scripting ad-hoc WebFetches...').

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly states when to use (after preparing a transaction) and when not to use (on TRON returns not-applicable). Provides clear action based on status: mismatch means 'DO NOT SEND', and fallback recommendations for other statuses. Also names an alternative (swiss-knife URL) and warns against it.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

TDQS

A3.8/5.0
Disambiguation4/5

Tools are generally well-distinguished by protocol and operation, but the sheer number (189) creates potential confusion among similar-named tools like get_btc_balance vs get_btc_account_balance. Detailed descriptions mitigate this, but an agent may still mis-select in edge cases.

Naming Consistency5/5

All tool names follow a consistent verb_noun snake_case pattern (e.g., get_btc_balance, prepare_aave_supply). No mixing of conventions or vague verbs observed.

Tool Count1/5

189 tools is far beyond the typical MCP server scope. This number overwhelms agents and suggests lack of focus. A more reasonable count for this domain would be under 50.

Completeness5/5

The tool set covers an exhaustive range of crypto operations across multiple chains (EVM, Solana, TRON, Bitcoin, Litecoin), including DeFi, staking, swaps, NFTs, portfolio, and security. No obvious gaps for the intended scope.

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