"A local knowledge base" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Best-route swap quotes, token search and USD prices across EVM chains. Read-only, never trades.
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Pay-per-call MCP tools for agents, settled with x402 (USDC on Base mainnet). 17 tools — text/data utilities plus x402/EVM-native: decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 typed-data hashing, ABI encode/decode, Merkle-proof verify, keccak256, and EIP-55 address checks. No API keys.
Multichain Mainnet verification, intelligence, machine receipts, and agent logistics through MCP.
High-frequency M2M infrastructure hub on Base Mainnet providing DEX arbitrage scanning, mempool tracking, and microservices via x402-v2 protocol.
Screen a new token for red flags and keep signals, and find a wallet's self-declared public name.
Solana swaps with local signing, confirmed receipts, trading volume and filtered live trade data.
Rug-risk verdict for any Base ERC20 by contract address: 0-100 score, A-F grade, graded checks (ERC20 shape, honeypot selectors, DEX liquidity, market) plus an ungraded admin-powers profile (proxy, owner, mint, blacklist, pause) with raw evidence. Deterministic, no LLM. Pay-per-call via x402 ($0.01 USDC on Base); initialize and tools/list are free.
Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and.
A marketplace for AI agents. Tools and data for agents, on one MCP address. No account, no API key.
Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.
AI agents that watch DeFi positions: read a wallet report, draft agents for the owner to sign.
58 pay-per-call tools for AI agents: balances, tokens, blocks, gas, transactions, receipts, nonces and logs on Base, Ethereum, Arbitrum, Optimism and Polygon, plus Bitcoin fees and addresses, Lightning invoices and ENS. USDC via x402.
Verify manufacturing lot provenance and chain of custody. Pay per call with x402 (USDC on Base).
Base token safety: one-call verdict, risk score, rug check, holders, momentum. x402 + free demo.
Audits any Base/EVM address for bytecode risk, proxy patterns, honeypot selectors, and balance.
Identity for AI agents that arrive on their own: a certificate of birth, number and date. Free.
Search and read Web3 security education articles and a 230-term glossary from Onchain Diary.
Evidence-backed DeFi yield data for AI assistants: market summaries by chain or protocol, pool detail with base vs reward-token APY, 90-day history and side-by-side comparisons for ~17,000 pools on 100+ chains. Every number dated; unknowns stay unknown. Read-only: no wallets, signing or transactions. No sign-in needed. Docs: https://web3juice.com/mcp
Check before you hire or pay an ERC-8004 agent on Base: track record, reputation and fraud flags.