"Connecting to a vector knowledge base" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
High-frequency M2M infrastructure hub on Base Mainnet providing DEX arbitrage scanning, mempool tracking, and microservices via x402-v2 protocol.
Safe to sign? EVM/Solana/XRPL/Algorand txs, permits, EIP-7702, tokens; OFAC screen: green/orange/red
Screen a new token for red flags and keep signals, and find a wallet's self-declared public name.
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.
Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and.
Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.
A marketplace for AI agents. Tools and data for agents, on one MCP address. No account, no API key.
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.
AI agents that watch DeFi positions: read a wallet report, draft agents for the owner to sign.
Search and read Web3 security education articles and a 230-term glossary from Onchain Diary.
Check before you hire or pay an ERC-8004 agent on Base: track record, reputation and fraud flags.
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
Peer protocol seller-rate and liquidity history on Base. Paid aggregate reads via x402 USDC.
Smart contract security screening for Base. Check any contract or token for risk before interacting with it: Solidity source verification, upgradeable proxies and admin or mint powers, holder concentration, dangerous selectors, and B20 issuer powers. It surfaces the usual rug pull and scam indicators. The free tool needs no wallet and no API key; the paid Flash Audit (3.49 USDC over x402) returns a report with an anchored SHA-256. Payment is the only gate.
Base on-chain address labels (eth-labels 104k category tags), tx explainer, clusters, CCTP USDC.
