"protocols.io" matching MCP connectors:

RTK Motion — Motion Capture, Biomechanics, Threat & Fleet IntelligenceA

Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.

NamefiBOAuth

Search, buy, and manage domains, DNS records, orders, and NFSC balance on Namefi.

MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.

ENS (Ethereum Name Service) MCP.

Chainlist MCP — registry of EVM chains

Etherscan MCP — multichain block-explorer API (Etherscan V2)

OpenSea MCP — NFT marketplace data (v2 API)

AI price forecasts, whale flows, market sentiment and prediction signals. 18 tools free, no account.

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

Alchemy (Ethereum + L2) MCP.

DefiLlama MCP — DeFi analytics from DefiLlama (free, no auth)

Nine-chain onchain intelligence for AI agents. The verifiable proof stream is free. Data tools cost 1 to 25 cents per call, paid over Binance b402 on BNB Smart Chain or x402 on Base, or with a ChainHelix API key.

Solscan MCP — Solana block-explorer API (Pro v2)

Buy, sell & extend TRON ENERGY/BANDWIDTH on the TronSave market via typed MCP tools.

AI agent identity and reputation protocol on ICP. Register agents, verify reputation, push metrics, and manage credentials.

Marketplace of pay-per-call APIs for AI agents. Top up once with USDC, then call any listed API - gasless, walletless, metered per request. Includes onboarded providers and hundreds of x402-native APIs discovered on-chain.

Production-ready TronSave MCP server focused on helping agents and clients buy and sell TRON resource quickly through one unified interface, with fast order execution, pricing/estimation tools, and secure session-based workflows.

DeFi Yield Intelligence MCP — 8 tools: 19K+ pools, risk-adjusted APY, RWA yields.