"Methods to Extract Data from Files" 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.
Safe to sign? EVM/Solana/XRPL/Algorand/Stellar txs, permits, tokens; OFAC screen: green/orange/red
Pay-per-call MCP tools for agents: 20 free calls a day, then pay per call with x402 (USDC on Base mainnet) or a prepaid spend key. 30 tools — text/data utilities, x402/EVM-native tools (decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 hashing, ABI encode/decode, Merkle-proof verify, keccak256, EIP-55 address checks) and independent providers' tools priced from $0.001. Signed delivery receipts. No sign-up.
354 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.
Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.
NFT market data on 12 networks: floors, sales, trader profit, mints. Non-custodial trades.
NFT collection risk and quality analysis plus new-collection discovery (OpenSea and on-chain data) for AI agents. Pay per call with x402 (USDC on Base). Not financial advice.
Timestamped proof that AI outputs and data existed, anchored on the Privi blockchain.
Crypto news, perps, market pulse, price history and token checks for AI agents. USDC per call.
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.
Solana swaps with local signing, confirmed receipts, trading volume and filtered live trade data.
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.
AI agents that watch DeFi positions: read a wallet report, draft agents for the owner to sign.
Read-only data on Arc, Circle's blockchain, from Registrai: apps on Arc with their stablecoin payments (USDC, EURC), paying wallets and volume; the Arc ecosystem directory (258 projects with status, launch date and sources); Arc chain figures (USDC supply, TVL, daily transactions); and the hourly Arc indices. No key, CC BY 4.0. Website and method: https://builder.registrai.cc
Exchange-exact crypto derivatives data for AI agents: OI, funding, liquidations, 13 venues, 42 tools
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
Evidence-backed DeFi yield data for ~17,000 pools: rates, yield sources, 90-day history. Read-only.
Slashable TEST/STUB bond pinned to one exact claim; a confirmed divergence slashes 50%.