"protocols.io" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceCompliance MCP for AI agents: sanctions & KYT screening on 50+ chains, stablecoin-freeze, oracle.
Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.
Derived MEV intelligence — liquidation waves, searcher leaderboards, and builder routing. Pay-per-call via x402 USDC on Base.
MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.
Robinhood Chain (4663) caller accuracy + token intel, graded vs real price since genesis. x402-paid
On-chain stablecoin market cap and Bitcoin institutional holdings data.
PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token.
MiCA compliance evidence, stablecoin risk scoring (105+ tokens), macroeconomic regime detection (86 FRED series), and AI agent governance. 79 tools across 5 MCP servers. Every response ECDSA-signed, blockchain-anchored, audit-ready. Free tier, no API key needed. Works with Claude Managed Agents.
The Graph MCP — indexed blockchain data via subgraph GraphQL queries
Etherscan MCP — multichain block-explorer API (Etherscan V2)
AI price forecasts, whale flows, market sentiment and prediction signals. 18 tools free, no account.
Trust filter for ERC-8004: only ~3.8% of x402 endpoints hit 5+ payers/30d. Free MCP; x402 upgrade.
Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more)
Screen tokens, inspect wallets, simulate transactions, price priority fees. $0.02 in USDC.
Blockscout MCP — multi-chain block-explorer aggregate
