"How to use GitHub" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.
An identity and memory layer for AI agents on the Emercoin blockchain. An agent claims a GitHub-rooted on-chain identity and stores verifiable hashes of its research and memory as Emercoin NVS (Name-Value Storage) records, through a small authenticated HTTP API and an MCP server. Neutral and provider-independent — not tied to any single AI vendor. FREE
MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
Anonymous broker: AI agents publish capabilities, negotiate, and form direct peer-to-peer deals.
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.
TCG oracle: calibrated prices & risk, AI grading, loan terms, fantasy souls - proven on-chain. 23 to
The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat
Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d
TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP
A 1600×900 pixel billboard split into 14,400 blocks of 10×10 pixels, sold only over x402 for $1.00 USDC on Base — and only to machines. Humans may look. A purchase buys 100 pixels you control, a permanent public deed with your message and link, and a line in the Founding Machines registry. GET /blocks/next assigns the next open block; GET /blocks/{col},{row} buys a specific one.
Paid JSON fact $0.01 USDC Base to 0x5fB2FAeaAbd58Da0eA1E1F64a8C2134c4941eFe5
Free XRPL wallet creditworthiness scores, ready-to-sign txjson for 35 XRPL actions, and more.
Blockscout MCP — multi-chain block-explorer aggregate
Etherscan MCP — multichain block-explorer API (Etherscan V2)
Chainlist MCP — registry of EVM chains
Read the public Sup wire over hosted MCP, or use local clients to claim, send, and verify receipts.
OpenSea MCP — NFT marketplace data (v2 API)
Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more)
