"API Documentation for Libraries and Frameworks" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
Real-time crypto futures order flow, liquidation cascades, and quantitative TA metrics across 1,650+ perpetuals (Binance, Bybit, Hyperliquid). Delivers ultra-dense, token-efficient summaries and async SSE alerts directly into AI agent context without burning tokens on raw OHLCV candles.
Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
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.
Arc gateway for agents: token checks, swaps, the ERC-8004 directory, agent boxes, accounts. x402
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.
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.
Build any crypto agent: stack picks, x402 and ERC-8004 lookups, wallet-key checks, unsigned swaps.
Solana swaps with local signing, confirmed receipts, trading volume and filtered live trade data.
Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.
Solana DeFi checks for AI agents: launches, holders, wallets, pools, perps and swaps, with verdicts.
Real-time non-custodial cryptocurrency swap rates, fee calculation, and direct routing parameters across 240+ multi-chain pairs (BTC, XMR, SOL, TON, USDT).
Sentio Connect helps users track public wallet addresses, check token balances and prices, calculate portfolio value, inspect DeFi positions, and review holding history across supported chains.
Real-time non-custodial crypto swap estimates and on-chain routing across 240+ pairs.
A marketplace for AI agents. Tools and data for agents, on one MCP address. No account, no API key.
Rug pull risk and on-chain forensics for tokens on Solana and six EVM chains.
Uniswap/PancakeSwap/Aerodrome LP pools and price ranges ranked by net APR after impermanent loss
Configure cross-platform and web3 games on iDos Games: live config, tokens, NFTs, AI assets, builds.
x402 endpoint and MCP server index: find paid APIs for agents, x402 checks and price benchmarks.
Exchange-exact crypto derivatives data for AI agents: OI, funding, liquidations, 13 venues, 42 tools
