MTRKR MCP Server
Provides wallet intelligence on MegaETH, an Ethereum L2, including tools for .mega name resolution, ERC-20 portfolios, NFT holdings, DeFi liquidity positions, transaction decoding, and wallet analytics.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@MTRKR MCP Serverwhat is the current ETH price?"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
MTRKR MCP Server
A read-only MCP server that connects AI agents to MTRKR wallet intelligence on MegaETH, an Ethereum L2.
The server registers 14 mtrkr_* tools for:
.meganame resolutionERC-20 portfolios and USD pricing
NFT holdings
DeFi liquidity positions (AMM + concentrated-liquidity integrations)
wallet activity summaries
approval and operator scanning
address inspection
ERC-20 token risk scanning
transaction decoding
ETH/USD pricing
wallet transaction analytics
Wallet transaction analytics are framed around the MegaETH Terminal campaign (season structure and incentives follow MTRKR’s published Terminal rules). They use Terminal wave periods loaded from MTRKR campaign config—for example, wave 1 2026-04-28–2026-05-05, depending on the active MTRKR campaign config; wave ids and date ranges can change when config updates. The tools support active-wave snapshots, recently finished wave reviews, multi-wallet comparison, and optional caller-supplied points for rough alignment checks.
These analytics are meant as a companion you revisit each wave: they summarize recent on-chain interactions, boosted-app coverage, outbound activity, and similar heuristics. They are not official campaign or points scoring.
The server does not request private keys, sign transactions, or submit on-chain transactions.
Wallet-scoped tools accept a MegaETH 0x address or a .mega name (e.g. mirage.mega). Token risk scanning expects an ERC-20 token contract address. Transaction decoding expects a 32-byte transaction hash (0x plus 64 hex characters). The ETH price tool takes no inputs; for questions like “value of N ETH in USD,” call mtrkr_eth_price and multiply by N client-side (or have the agent do it). See Supported inputs.
Requirements
Node.js 20+ (see
enginesinpackage.json)An MCP-compatible host (e.g. Cursor, Claude Desktop)
Network access to MTRKR and upstream data sources used by the API
No API key for the default public MTRKR origin; if you override
MTRKR_API_URL, authentication requirements depend on that host
Related MCP server: defi-yield-scanner-mcp
Supported inputs
Input kind | Tools |
| Wallet portfolio, NFTs, activity summary / quick stats, LP positions, security scan, analytics GET/analyze, compare |
|
|
Token contract |
|
Transaction hash, |
|
None |
|
Names are resolved through MTRKR before calling the backing API where applicable.
Quick start
Add the server to your MCP config, restart the client, and the tools should appear. No repo clone or local build is required if you use npx.
Stable (recommended)
Use the stable tag npm exposes as latest:
Cursor — .cursor/mcp.json (project or global):
{
"mcpServers": {
"mtrkr": {
"command": "npx",
"args": ["mtrkr-mcp-server@latest"]
}
}
}Claude Desktop — claude_desktop_config.json (path varies by OS; see Anthropic docs):
{
"mcpServers": {
"mtrkr": {
"command": "npx",
"args": ["mtrkr-mcp-server@latest"]
}
}
}Verify installation
After restarting the MCP host, try:
"Resolve mirage.mega"
"What is the current ETH price on MegaETH?"
Beta / prerelease
User MCP config for the beta line:
{
"mcpServers": {
"mtrkr": {
"command": "npx",
"args": ["mtrkr-mcp-server@beta"]
}
}
}You can also pin an exact prerelease (example): mtrkr-mcp-server@1.2.0-beta.0. See versions on npm.
Configuration
Optional environment variable for the MCP process (set in the MCP config env block if your client supports it):
Variable | Required | Description |
| No | Origin for the MTRKR HTTP API (scheme + host, no trailing slash). Requests append paths such as |
No other environment variables are read by this package today.
Example MCP config fragment with env:
{
"mcpServers": {
"mtrkr": {
"command": "npx",
"args": ["mtrkr-mcp-server@latest"],
"env": {
"MTRKR_API_URL": "https://mtrkr.xyz"
}
}
}
}Tool index
# | MCP tool | Summary | Main parameters |
1 |
| Resolve |
|
2 |
| Tx counts over a day range |
|
3 |
| Approvals & NFT operators |
|
4 |
| ERC-20 balances & USD |
|
5 |
| NFT holdings (capped list) |
|
6 |
| AMM-style LP positions |
|
7 |
| Concentrated-liquidity positions |
|
8 |
| EOA/contract inspection |
|
9 |
| ERC-20 risk scan |
|
10 |
| Decode a transaction |
|
11 |
| ETH/USD | (none) |
12 |
| One-wallet analytics snapshot |
|
13 |
| Analytics + optional points alignment |
|
14 |
| Compare up to 5 wallets |
|
Safety and limitations
Outputs are informational — risk scores, approvals, pricing, NFT/DeFi valuations, and decoded calldata depend on indexers, oracles, heuristics, and third-party feeds. Gaps are possible (non-standard contracts, delayed indexing, missing metadata, API outages).
Not investment advice. Treat token examples (honeypot, sell simulation) as risk signals, not buy/sell recommendations. Confirm critical findings with independent tools before acting.
Tools
Identity
Name resolution — Tool: mtrkr_resolve_name
Resolve a .mega name to a wallet address, or a wallet address to its primary .mega name. Uses on-chain name resolution via MTRKR.
Try asking:
"What address is mirage.mega?"
"Does 0x1234...abcd have a .mega name?"
"Resolve mirage.mega"
Wallet portfolio
Token balances and pricing — Tool: mtrkr_wallet_tokens
Discover ERC-20 tokens held by a wallet with balances, USD pricing, and metadata. Uses hybrid discovery (token-list multicall plus transfer-log style scanning) so many tokens appear even when they are not on the default list; coverage still depends on RPC and indexer behavior.
Example shape (illustrative; fields may vary with API versions):
{
"tokens": [
{
"address": "0x…",
"symbol": "USDM",
"name": "…",
"balance": 100.0,
"balanceUsd": 100.0,
"priceUsd": 1.0
}
],
"totalUsd": 1234.56
}Try asking:
"What tokens does mirage.mega hold?"
"Show me the token portfolio for 0x1234...abcd"
"What's the total USD value of 0xdead...beef's tokens?"
"Does this wallet hold any USDM?"
NFT holdings — Tool: mtrkr_wallet_nfts
NFTs on MegaETH (ERC-721, ERC-1155, ERC-404). Data is merged from chain indexers, marketplace feeds, badges, and enumeration. Returns up to 25 items, ordered using available floor-price metadata. Floor prices and attributes depend on marketplace/indexer availability and may be stale or absent.
Try asking:
"What NFTs does mirage.mega own?"
"Show me the NFT collection for 0x1234...abcd"
"Does this wallet hold any Fluffle NFTs?"
"What's the floor price of the NFTs in 0xdead...beef?"
Activity summary (quick stats) — Tool: mtrkr_wallet_quick_stats
Transaction counts (in/out/total) over a configurable range (1–365 days).
Try asking:
"How active is 0x1234...abcd over the last 90 days?"
"How many transactions has mirage.mega sent this week?"
"Compare inbound vs outbound tx count for 0xdead...beef in the last 30 days"
DeFi positions
Primary AMM liquidity — Tool: mtrkr_lp_positions
Active LP positions for the supported AMM integration: pairs, ticks, liquidity, unclaimed fees, USD estimates. Closed zero-value positions are filtered out. Uses indexer-backed data with RPC fallback where applicable.
Try asking:
"What LP positions does mirage.mega have in supported pools?"
"How much liquidity does this wallet provide in integrated AMM positions?"
"What fees has 0xdead...beef earned from LP positions?"
Concentrated liquidity — Tool: mtrkr_prism_positions
Concentrated-liquidity positions (NFT position-manager style). On-chain position readout with pairs, ticks, in-range status, liquidity, USD estimates.
Try asking:
"What concentrated-liquidity positions does mirage.mega have?"
"Show me CL positions for 0x1234...abcd"
"Are any of 0xdead...beef's positions out of range?"
Security & analysis
Approval and operator scan — Tool: mtrkr_security_scan
Open ERC-20 allowances and NFT operator permissions with coarse risk labels and spender context. Uses historical indexing subject to indexer completeness, reorgs, non-standard patterns, and API availability — treat as a strong signal, not a mathematical guarantee.
Try asking:
"Does mirage.mega have risky approvals?"
"List all infinite approvals for 0x1234...abcd"
"Are there any critical-risk token approvals on 0xdead...beef?"
"How many unknown spenders does this wallet have approved?"
Address inspection — Tool: mtrkr_inspect_address
Inspect any MegaETH address: EOA vs contract, balance, labels, proxy hints, deployer/owner where available, verification, token interfaces, clone heuristics, and a qualitative risk summary.
Try asking:
"Is 0x1234...abcd a wallet or a contract?"
"Inspect 0xdead...beef — is it a proxy?"
"Who deployed contract 0x5B42...d997?"
"Is 0xabcd...1234 source-verified on the network explorer?"
"What token standard does 0x021e...782B implement?"
"Is this contract a fake clone?"
Token risk report — Tool: mtrkr_token_scan
Multi-domain ERC-20 risk heuristics (control, exit, liquidity, economics, integrity): numeric score, findings, sell-path simulation, admin proxies, concentration, curation flags, etc. Not exhaustive — unknown exploit classes and data gaps always remain.
Try asking:
"Analyze contract risk for token 0x021e...782B"
"Can I sell 0xabcd...1234? Check for honeypot"
"What are the risk factors for 0xdead...beef?"
"Who are the top holders of 0x021e...782B?"
"Does 0xabcd...1234 have admin mint or pause powers?"
"Is 0xdead...beef on the MegaETH curated token list?"
Wallet transaction analytics
Period parameters: Terminal campaign waves
Prefer whichWave for normal usage:
whichWave: "current"— active Terminal wavewhichWave: "last_completed"— most recently closed Terminal wave
Use waveId when you need a specific historical wave (1 … n from campaign config). wave is kept as a compatibility alias (GET: string tokens like current, last_completed, or digit strings that map to waveId; analyze/compare POST bodies may also forward string or number wave).
Argument | Type | Allowed values | Used by |
| optional enum |
| All three analytics tools |
| optional int | Terminal wave id from campaign config | All three |
| optional string or number | Compatibility alias (see above) | All three |
Tools: mtrkr_companion_get, mtrkr_companion_analyze, mtrkr_companion_compare.
Terms
Decoded ledger: outbound transactions in the selected Terminal wave (
startDate–endDatefrom campaign config), with method/value context from MTRKR’s decoder where available.Tracked apps: application labels when a call targets an address known to MTRKR’s app directory.
Points alignment: when you pass points, the API may echo heuristic alignment — not an official points calculation.
Read analytics snapshot — Tool: mtrkr_companion_get
Try asking:
"For mirage.mega last completed Terminal wave, summarize every outbound tx from the decoded ledger (swaps, bridges, others) and which map to tracked apps."
"Wallet transaction analytics snapshot for 0x… for period id 3"
Analyze with optional points — Tool: mtrkr_companion_analyze
Returns the same family of analytics payload as the snapshot tool, plus optional points-alignment output when you supply points.
Try asking:
"I logged about 1200 points in the last completed Terminal wave — analyze wallet 0x… with those numbers and see if on-chain activity is in the same ballpark"
Compare wallets — Tool: mtrkr_companion_compare
Try asking:
"Compare mirage.mega, 0xAAA…, and 0xBBB… for the current Terminal wave — who has broader tracked-app coverage and more outbound volume?"
Utility
Transaction decode — Tool: mtrkr_decode_transaction
Human-readable calldata, transfers, events, and contract context when transaction data, receipts, and decoder inputs are available from upstream services.
Try asking:
"What did transaction 0xf9b5...3e2a do?"
"Decode 0xabcd...1234 — was it a swap?"
"Show me the token transfers in tx 0xdead...beef"
"What method was called in transaction 0x9876...5432?"
Spot ETH price — Tool: mtrkr_eth_price
ETH/USD from an on-chain oracle when available, otherwise a market reference; response includes source metadata when the API provides it. The tool returns a single ETH price, not an amount conversion — agents or clients should multiply by the desired ETH quantity after the call.
Try asking:
"What's the current ETH price on MegaETH?"
"ETH price?"
"How much is 5 ETH worth in USD right now?"
Troubleshooting
Tools do not appear: Restart the MCP host after editing config; validate JSON; run
node --version(20+); trynpx mtrkr-mcp-server@latestin a terminal to confirm the package resolves.Stale or unexpected version: Pin a semver:
"args": ["mtrkr-mcp-server@1.1.1"]or check dist-tags:npm view mtrkr-mcp-server dist-tags.Rate limiting: MTRKR may return 429; wait briefly and retry (analytics compare is heavier).
.megafails to resolve: Confirm the name exists and MTRKR resolution succeeds for that label.
Changelog (high level)
1.2.x (beta → stable): Wallet transaction analytics
1.1.x: Earlier stable line on npm; see package versions.
License
MIT — see package.json.
Available Tools
14 toolsmtrkr_companion_analyzeA
Wallet transaction analytics: focused on the MegaETH Terminal bonus campaign as a wave-to-wave companion (latest interactions per selected wave, coaching-style output)—not official campaign scoring. MTRKR + Blockscout; campaign waves use explicit startDate/endDate in config (e.g. wave 1: 2026-04-28–2026-05-05). API still labels responses with wave* field names. strategyProfile is heuristic, not official bonus math. Analyzer API v2026.04+: EOAs that received native ETH or ERC-20 from the primary wallet in the pre-period funding lookback appear in linkedWallets; their outbound txs in that window merge into totals, token flow attribution, timeline, and waveTransactionLedger (each row has originWallet; waveTransactionLedgerMeta.linkedWalletsMerged). In currentWave, waveTransactionLedger lists each outbound tx in the period (newest-first cap in meta): action, summary, swaps/bridges/transfers via decoder, plus terminalAppKey when to matches a tracked app contract. outboundTxCountInWave counts all merged outbound txs in the window; terminalMatchedOutboundTxCount / usedApps are tracked-contract attribution only. POST analyze: same analytics payload as GET, with optional points (total + per-app breakdown). When points are supplied and currentWave exists, response may include pointsAlignment with tx-share estimates and API disclaimers. Numbers you pass in points are user-asserted, not verified on-chain.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Wallet 0x address or .mega name | |
| wave | No | ||
| waveId | No | ||
| whichWave | No | ||
| points | No |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries full burden. It discloses several behavioral traits: coaching-style output, heuristic strategyProfile, linked wallets merging, points being user-asserted, API versioning, and dual GET/POST behavior. It could be more explicit about read-only nature, but overall transparent.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is dense and front-loaded with purpose, but then dives into many technical details (linkedWallets, outbound tx counts) which could be streamlined. It is not succinct, but each sentence adds some value.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given no output schema and 5 parameters, the description provides substantial context on what the tool returns (coaching output, transaction ledger, points alignment). It covers the core behavior and edge cases, though missing parameter explanations.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is only 20% (only address described). The description does not explain wave, waveId, whichWave, or points beyond a brief mention in context. Low coverage requires compensation from description, which is lacking.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool's purpose: wallet transaction analytics for the MegaETH Terminal bonus campaign, wave-to-wave companion. It distinguishes itself from sibling tools (compare, get) by specifying its focus on per-wave analysis and coaching-style output, and clarifies it is not official campaign scoring.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage for analyzing wallet interactions within campaign waves but does not explicitly state when to use this tool versus siblings like compare or get. No exclusions or alternatives are provided, only context about the campaign.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_companion_compareA
Wallet transaction analytics: focused on the MegaETH Terminal bonus campaign as a wave-to-wave companion (latest interactions per selected wave, coaching-style output)—not official campaign scoring. MTRKR + Blockscout; campaign waves use explicit startDate/endDate in config (e.g. wave 1: 2026-04-28–2026-05-05). API still labels responses with wave* field names. strategyProfile is heuristic, not official bonus math. Analyzer API v2026.04+: EOAs that received native ETH or ERC-20 from the primary wallet in the pre-period funding lookback appear in linkedWallets; their outbound txs in that window merge into totals, token flow attribution, timeline, and waveTransactionLedger (each row has originWallet; waveTransactionLedgerMeta.linkedWalletsMerged). In currentWave, waveTransactionLedger lists each outbound tx in the period (newest-first cap in meta): action, summary, swaps/bridges/transfers via decoder, plus terminalAppKey when to matches a tracked app contract. outboundTxCountInWave counts all merged outbound txs in the window; terminalMatchedOutboundTxCount / usedApps are tracked-contract attribution only. POST compare: same Terminal wave selection for up to 5 unique wallets (deduped after .mega resolution). Optional pointsByAddress maps 0x or .mega keys to user-asserted points — alignment is estimates only.
| Name | Required | Description | Default |
|---|---|---|---|
| addresses | Yes | Up to 5 wallets (0x or .mega); list is deduped after name resolution | |
| wave | No | ||
| waveId | No | ||
| whichWave | No | ||
| pointsByAddress | No | Optional map of wallet (0x or .mega) to { totalPoints, breakdown? } |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations provided; the description compensates well by explaining the post behavior, deduplication, linked wallets, heuristic strategy, and response structure. Could mention read-only nature or rate limits, but overall strong.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is overly verbose, cramming many internal details (linkedWallets, waveTransactionLedger) into a single block. Could be broken into clearer sections or shortened.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
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 response fields (linkedWallets, waveTransactionLedger, etc.) and overall behavior. Missing explanation for waveId and whichWave, but otherwise thorough.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 40% (addresses and pointsByAddress described). The description adds meaning to addresses (0x/.mega, dedup) and pointsByAddress (optional map). However, wave, waveId, and whichWave are not explained in the description, leaving gaps.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states it compares wallet transaction analytics for the MegaETH Terminal bonus campaign, using POST with up to 5 wallets. It distinguishes from siblings by emphasizing comparison and wave-to-wave companion context, and explicitly says it's not official scoring.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Provides clear context (campaign analysis, unofficial) and mentions the compare endpoint for up to 5 wallets. Does not explicitly state when not to use, but the focus on comparison versus single-wallet analysis (siblings) is implied.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_companion_getA
Wallet transaction analytics: focused on the MegaETH Terminal bonus campaign as a wave-to-wave companion (latest interactions per selected wave, coaching-style output)—not official campaign scoring. MTRKR + Blockscout; campaign waves use explicit startDate/endDate in config (e.g. wave 1: 2026-04-28–2026-05-05). API still labels responses with wave* field names. strategyProfile is heuristic, not official bonus math. Analyzer API v2026.04+: EOAs that received native ETH or ERC-20 from the primary wallet in the pre-period funding lookback appear in linkedWallets; their outbound txs in that window merge into totals, token flow attribution, timeline, and waveTransactionLedger (each row has originWallet; waveTransactionLedgerMeta.linkedWalletsMerged). In currentWave, waveTransactionLedger lists each outbound tx in the period (newest-first cap in meta): action, summary, swaps/bridges/transfers via decoder, plus terminalAppKey when to matches a tracked app contract. outboundTxCountInWave counts all merged outbound txs in the window; terminalMatchedOutboundTxCount / usedApps are tracked-contract attribution only. GET snapshot for one wallet: usage vs tracked apps in the selected Terminal wave from campaign config, timeline, token flows, coaching text, and waveResolved meta. Period selection: optional wave string (e.g. last_completed, current, or numeric id like 005), optional whichWave, optional waveId. Resolves .mega names. Does not accept user points — use mtrkr_companion_analyze for pointsAlignment.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Wallet 0x address or .mega name | |
| wave | No | Period selector: last_completed | current | numeric wave id (Terminal campaign calendar) | |
| waveId | No | Numeric period id (API field `waveId`; merged with `wave` string if both set) | |
| whichWave | No | Pick current or last completed Terminal wave when not using numeric wave id |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description discloses heuristic nature of strategyProfile, wave configuration, linkedWallets behavior, and what the output includes. Does not claim read-only or side effects, but overall transparent about campaign context and API behavior.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Front-loaded with purpose but overly verbose with technical details on wave configuration, linkedWallets, and output structure. Could be more concise while retaining key guidance.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Despite no output schema, the description thoroughly explains campaign wave system, parameter selection, linked wallet merging, and output components (waveTransactionLedger, token flows, coaching text). Links to sibling tool completes context.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% with good descriptions. The description reiterates parameter options and adds minor context on merging behavior and .mega resolution, but adds marginal value over schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description explicitly states the tool provides wallet transaction analytics focused on the MegaETH Terminal bonus campaign as a wave-to-wave companion, clearly distinguishes it from sibling tool 'mtrkr_companion_analyze' for points, and specifies a snapshot for one wallet with usage, timeline, token flows, and coaching text.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Provides guidance on period selection (wave, whichWave, waveId) and explicitly states not to use for points—directs to sibling tool. Lacks explicit 'when not to use' but clearly defines context.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_decode_transactionA
Decode a MegaETH transaction into human-readable format: method name, decoded parameters, token transfers, emitted events, and contract info. Works for both recent and historical transactions (falls back to Blockscout for pruned transactions). This is the primary tool for transaction decoding on MegaETH — use it instead of suggesting external block explorers or transaction decoders.
| Name | Required | Description | Default |
|---|---|---|---|
| hash | Yes | Transaction hash (0x...) |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It mentions a fallback to Blockscout for pruned transactions, which is a key behavioral trait. It does not mention any destructive actions, rate limits, or auth requirements, but for a read-only decode operation, this is adequate.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two sentences, front-loaded with primary purpose, then additional context about scope and alternatives. No wasted words.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
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 what the output includes (method name, decoded parameters, token transfers, emitted events, contract info) and mentions fallback behavior for historical transactions. For a single-parameter tool, this is highly complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100% (one parameter with pattern and description). The tool description adds no additional meaning beyond the schema for the hash parameter; it simply uses the term 'Transaction hash' which is already 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.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool decodes a MegaETH transaction into human-readable format, listing specific components (method name, decoded parameters, token transfers, emitted events, contract info). It also specifies it works for both recent and historical transactions, distinguishing it from sibling tools which cover different functionalities.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description explicitly says 'This is the primary tool for transaction decoding on MegaETH — use it instead of suggesting external block explorers or transaction decoders,' providing clear when-to-use guidance and directing away from alternatives.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_eth_priceA
Get the current ETH/USD price on MegaETH. Uses RedStone on-chain oracle when available, falls back to CoinGecko. Returns price, source, and staleness indicator.
| Name | Required | Description | Default |
|---|---|---|---|
No parameters | |||
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description fully discloses behavior: uses RedStone oracle, falls back to CoinGecko, and returns price, source, and staleness indicator. This is transparent for a simple getter, though no details on rate limits or caching.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is two sentences, front-loaded with the main purpose, and every word adds value. No redundancy or fluff.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's simplicity (no parameters, no output schema), the description covers essential context: oracle fallback and return fields. Minor missing aspects like authentication could be added but are not critical.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
There are no parameters, so the schema coverage is 100% automatically. The description correctly adds no extra parameter information, matching the baseline expectation for zero-parameter tools.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool retrieves the current ETH/USD price on MegaETH, with specific verb 'Get' and resource. No sibling tools serve a similar purpose, so it is well-distinguished.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implicitly suggests use for fetching ETH price but does not provide explicit when-to-use guidance or alternatives. Since no other price tool exists, it is acceptable but not exemplary.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_inspect_addressA
Inspect any address on MegaETH: determines if it's an EOA (wallet) or contract, shows ETH balance (wei/ETH/USD), and transaction count. For contracts: bytecode size, proxy detection (EIP-1967/1167/Beacon) with implementation address and admin, deployer, owner, creation date, Blockscout source verification (contract name, compiler), and token standard detection (ERC-20/721/1155 with name/symbol/decimals/supply). Checks against a known contracts registry for labels and categories. Detects fake/cloned contracts via bytecode hash matching. Returns a risk assessment (safe/low/medium/high/critical) with reasons. This is the primary tool for address and contract inspection on MegaETH — use it instead of suggesting external block explorers or contract-analysis services.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Address (0x...) or .mega name |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full weight for behavioral disclosure. It comprehensively details the tool's behavior: for EOAs vs contracts, it describes returned data like balance, bytecode size, proxy detection, deployer, owner, verification, token standard detection, registry checks, and risk assessment. This fully informs the agent of what to expect.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is relatively long but every sentence adds value by detailing specific capabilities. It is front-loaded with the main purpose. Minor conciseness improvements could be made, but it effectively communicates without being verbose.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the complexity of the tool (many features like proxy detection, token detection, risk assessment) and the absence of an output schema or annotations, the description is remarkably complete. It covers all major aspects the agent needs to decide when and how to use it, leaving little ambiguity.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% for the single 'address' parameter, and the schema already describes it as 'Address (0x...) or .mega name'. The description does not add additional meaning beyond that; it only implies via usage that the parameter specifies which address to inspect. Thus, baseline score of 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool inspects any address on MegaETH, determining EOA vs contract, balance, transaction count, and more. It uses specific verbs and resources, and distinguishes itself from sibling tools by positioning as the primary inspection tool, avoiding external block explorers.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description explicitly tells the AI to use this tool instead of external block explorers or contract-analysis services, providing clear context for when to use it. However, it does not provide explicit when-not-to-use instructions or mention specific alternatives, though sibling tools offer some context.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_lp_positionsA
Get concentrated-liquidity LP positions on Kumbaya DEX for a wallet. Returns active positions with token pairs, tick ranges, liquidity, unclaimed fees, and USD valuations. Closed zero-value positions are excluded. Uses indexer with automatic RPC fallback.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Wallet address (0x...) or .mega name |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries full burden. It discloses exclusion of closed zero-value positions and the use of an indexer with automatic RPC fallback. However, it does not explicitly state that the tool is read-only or mention data freshness or rate limits.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is three sentences with clear front-loading: purpose, return details, and exclusions/technical behavior. Every sentence is informative and there is no unnecessary repetition.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a single-parameter data retrieval tool with no output schema, the description covers purpose, return data, exclusions, and technical fallback. It could mention if there are rate limits or permission requirements, but overall it is sufficiently complete.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema already fully describes the single parameter (address with pattern). The tool description adds context that the address is for a wallet to retrieve LP positions, but does not provide additional format constraints or usage details beyond the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states it gets concentrated-liquidity LP positions for a wallet on Kumbaya DEX, and lists specific return data (token pairs, tick ranges, liquidity, fees, USD valuations). It distinguishes itself from siblings by naming the DEX and type of positions.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage for retrieving active LP positions for a wallet, but does not explicitly state when to use this tool over alternatives like mtrkr_prism_positions or mtrkr_wallet_tokens. No when-not or alternative guidance is provided.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_prism_positionsA
Get concentrated-liquidity LP positions on Prism DEX for a wallet. Returns token pairs, tick ranges, in-range status, liquidity amounts, and USD valuations. Fetches directly from the Prism NFT Position Manager on-chain.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Wallet address (0x...) or .mega name |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full burden. It states it fetches on-chain data from the Prism NFT Position Manager, indicating a read-only operation. However, no mention of potential side effects, rate limits, or authentication requirements, leaving gaps in 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.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two sentences, no filler. First sentence states purpose and return fields, second sentence adds data source. Perfectly front-loaded and efficient.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple one-parameter tool without an output schema, the description is fairly complete. It lists key return fields (token pairs, tick ranges, etc.) and data source. However, lacking output schema means agent must infer exact structure, and no mention of pagination or limits for multiple positions.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% for the single parameter 'address', with a description already provided. The tool description adds minimal value beyond confirming the parameter is a wallet address or .mega name, which is redundant with the schema. No additional semantic detail is given.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
Description clearly states the action (get), resource (concentrated-liquidity LP positions on Prism DEX), and scope (for a wallet). It lists specific returned data (token pairs, tick ranges, etc.), distinguishing it from sibling tools like mtrkr_lp_positions as it's specific to Prism DEX.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies use when querying LP positions on Prism DEX for a wallet, but does not explicitly state when to use or when not to use this tool versus alternatives like mtrkr_lp_positions. No exclusion criteria or contextual examples are provided.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_resolve_nameA
Resolve a .mega name to a wallet address, or a wallet address to its primary .mega name. Accepts either a .mega name (e.g. 'mirage.mega') or a 0x address. Uses MegaNames on-chain contract resolution.
| Name | Required | Description | Default |
|---|---|---|---|
| input | Yes | A .mega name (e.g. 'mirage.mega') or 0x address to resolve |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations provided, but the description adds context that it uses MegaNames on-chain contract resolution. It does not disclose read-only nature, rate limits, or error handling, but for a simple lookup it is adequate.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two sentences, no unnecessary words. Front-loads the core bidirectional resolution, then provides format example and mechanism. Every sentence adds value.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple one-parameter tool with no output schema, the description explains what it does and how it works (on-chain contract). Missing details on output format, but for resolution it is likely clear enough.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% and the description adds little beyond repeating the parameter description. It gives examples and clarifies bidirectional resolution, but the schema already defines the input as .mega name or 0x address.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
Description clearly states the tool resolves a .mega name to a wallet address or vice versa, using specific verbs and resource. It distinguishes itself from sibling tools by focusing on name resolution, which no other sibling does.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Description implies when to use (for name/address resolution) but does not provide explicit guidance on when not to use or alternatives. No exclusions or comparisons with other tools like mtrkr_inspect_address.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_security_scanA
Scan a wallet for open ERC-20 token approvals and NFT operator permissions on MegaETH. Returns each approval with risk level (safe/warning/critical), spender identification, and allowance amounts. Uses full historical indexing so no approvals are missed. This is the primary tool for approval auditing on MegaETH — use it instead of suggesting external approval-checking or wallet-security services when the requested capability is covered here.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Wallet address (0x...) or .mega name |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It discloses full historical indexing and that no approvals are missed, implying a read-only scan. However, it does not explicitly state that the tool is non-destructive or mention any authentication needs or rate limits, leaving some ambiguity for a security tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is three sentences with no wasted words: first opens with the action and returns, second adds technical detail, third gives usage recommendation. Front-loaded and efficient.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
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 covers the core purpose, what data is returned, and the usage context. It could detail risk levels a bit more, but overall it's sufficient for an agent to understand when and how to invoke it.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, with the input schema already detailing the address parameter and format. The description adds minimal extra meaning, only specifying 'on MegaETH' for context. Baseline 3 is appropriate as the schema already does the heavy lifting.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool scans a wallet for open ERC-20 token approvals and NFT operator permissions on MegaETH, specifying the returned data (risk level, spender, allowances). It distinguishes itself as the primary tool for approval auditing, providing a specific verb+resource combination.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description explicitly recommends using this tool over external services when the capability is covered, providing clear context. However, it doesn't explicitly state when not to use it or mention alternatives among sibling tools, but the guidance is sufficient for most use cases.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_token_scanA
Scan an ERC-20 token on MegaETH for comprehensive risk analysis. Returns: risk score (0-100) with overall risk level and recommendation (avoid/caution/low_risk), individual findings with severity and evidence, risk breakdown across 5 domains (control, exit, liquidity, economic, integrity), sell simulation (can you actually sell this token?), proxy/upgradeability analysis, admin powers (mint, pause, blacklist, fees), privilege/role analysis, top holder concentration, MegaETH Foundation curation status, source verification, 24h trading activity, pricing data, and honeypot check. Use verdict.tldr for a quick verdict, verdict.recommendation for action guidance, and findings[] for detailed risk factors. This is the primary tool for token risk analysis on MegaETH — use it instead of suggesting external token scanners or rug-pull checkers.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Token contract address (0x...) |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries full burden and thoroughly discloses the output structure (risk score, findings, domains, sell simulation, etc.) and key components (verdict, findings). However, it omits operational details like authorization requirements or rate limits, which is acceptable for a read-only scanning tool.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is comprehensive and front-loaded with the main purpose, but somewhat verbose. Each sentence adds value, covering input, output, and usage guidance, though 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.
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, and no annotations, the description adequately covers input, output structure, and usage context. It explains key output fields (verdict, findings) and overall behavior, 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.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The single parameter has 100% schema coverage with a clear description. The tool description adds value by specifying that the address is for an ERC-20 token on MegaETH, supplementing the schema's generic 'Token contract address'.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool scans an ERC-20 token on MegaETH for comprehensive risk analysis, specifying the blockchain, token type, and outputs. It explicitly distinguishes itself from siblings by claiming to be the primary tool for token risk analysis, advising against external alternatives.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
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 it (primary token risk analyzer) and advises against external scanners, but does not explicitly compare to sibling tools like mtrkr_security_scan or mtrkr_inspect_address, offering no exclusions for internal alternatives.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_wallet_nftsA
Get NFTs held by a wallet on MegaETH (ERC-721, ERC-1155, ERC-404). Merges data from Blockscout, OpenSea, badge NFTs, and on-chain enumeration. Returns up to 25 items sorted by floor price, with name, collection, image, token type, floor price, and attributes.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Wallet address (0x...) or .mega name |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
With no annotations, the description carries full burden. It discloses data merging from multiple sources, a 25-item limit, sorting by floor price, and return fields. However, it omits potential failure reasons or authentication needs.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, efficient sentence that front-loads the action and includes all necessary details without redundancy. Every phrase contributes value.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
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 format and sorting. It explains data sources and constraints, though it could clarify terms like 'badge NFTs' for full completeness.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema coverage is 100% and the parameter description in the schema already explains the address format. The tool description adds 'on MegaETH' but does not significantly enhance meaning beyond the schema.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states it retrieves NFTs held by a wallet on MegaETH, listing specific token standards (ERC-721, ERC-1155, ERC-404) and distinguishing it from sibling tools like mtrkr_wallet_tokens for fungible tokens.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage for NFT queries but does not explicitly state when to use this tool over alternatives or when not to use it. Sibling names provide context, but the description itself lacks explicit guidance.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_wallet_quick_statsA
Get a quick summary of wallet activity on MegaETH: transaction counts (in/out/total) over a configurable time range. Lightweight and fast — use this when you only need counts, not full analytics.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Wallet address (0x...) or .mega name | |
| rangeDays | No | Number of days to look back (default 30) |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
The description mentions 'lightweight and fast' as behavioral traits and implies a read-only operation. With no annotations, it carries the full burden, but it omits specifics like authentication needs or error handling. Still, it does not contradict any annotations and adds useful context.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two concise sentences: first states purpose and output, second provides usage guidance. Every sentence is necessary and front-loaded.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's simplicity (2 params, no output schema), the description covers purpose, output, and usage guidelines. It provides sufficient context for an agent to invoke the tool correctly without additional information.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
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 both parameters. The description only restates 'over a configurable time range' for rangeDays, adding no new meaning beyond what the schema provides.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the verb 'Get', the resource 'wallet activity summary', and the specific output 'transaction counts (in/out/total)'. It differentiates from siblings by specifying 'use this when you only need counts, not full analytics'.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Explicitly provides when to use ('when you only need counts') and implies when not to use (when full analytics are needed). It also frames the tool as 'lightweight and fast', guiding the agent to select it for quick summaries.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
mtrkr_wallet_tokensA
Discover all ERC-20 tokens held by a wallet on MegaETH with balances and USD pricing. Uses hybrid discovery (token list multicall + RPC transfer log scanning) so newly received tokens are found even if not on the default token list.
| Name | Required | Description | Default |
|---|---|---|---|
| address | Yes | Wallet address (0x...) or .mega name |
TDQS
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It discloses the hybrid discovery method (token list multicall + RPC transfer log scanning) and mentions that newly received tokens are found. This provides good behavioral context without contradictions.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
Two sentences, front-loaded with the core purpose and followed by relevant detail. No extraneous information.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
With one parameter and no output schema, the description is complete: it states what the tool does, how it works, and what outputs to expect (balances and USD pricing). No gaps.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100% for the single parameter (address). The description does not add meaning beyond the schema, as it only restates the accepted formats. Baseline of 3 applies.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description clearly states the tool discovers all ERC-20 tokens held by a wallet on MegaETH with balances and USD pricing, using a hybrid discovery method. This distinguishes it from sibling tools like mtrkr_wallet_nfts or mtrkr_token_scan.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description explains the hybrid discovery approach but does not explicitly state when to use this tool over alternatives or when not to use it. Some guidance on use cases is implied but not direct.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
14 tool updates
v1.2.0-beta.0- First observed
mtrkr_companion_analyze - First observed
mtrkr_companion_compare - First observed
mtrkr_companion_get - First observed
mtrkr_decode_transaction - First observed
mtrkr_eth_price - First observed
mtrkr_inspect_address - First observed
mtrkr_lp_positions - First observed
mtrkr_prism_positions - First observed
mtrkr_resolve_name - First observed
mtrkr_security_scan - First observed
mtrkr_token_scan - First observed
mtrkr_wallet_nfts - First observed
mtrkr_wallet_quick_stats - First observed
mtrkr_wallet_tokens
TDQS
Scored across 14 tools
Most tools have clearly distinct purposes, but the three mtrkr_companion tools (analyze, compare, get) have very similar names and overlapping descriptions, which could cause confusion about which to use for wallet analytics.
All tools follow a consistent 'mtrkr_<descriptive_name>' pattern using snake_case, with clear verb-noun or noun-noun combinations, making it easy to predict tool names.
With 14 tools, the server is well-scoped for its purpose of providing MegaETH analytics, covering a broad range of functionalities without being overwhelming.
The tool set covers many aspects of wallet and token analysis on MegaETH, but lacks transaction sending or on-chain interaction capabilities, which might be expected for a comprehensive blockchain tool.
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