"How to connect to SQL Server" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Onchain Diary exposes its full knowledge base — 96 Web3 security articles and 220 glossary terms, in English and Chinese — through the Model Context Protocol. Any MCP-capable assistant can search it and read complete articles without scraping HTML.
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.
MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.
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.
Concentrated liquidity on Uniswap/Aerodrome (rebalance, compound, leverage) or single-sided lending.
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.
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.
MCP server exposing 8 tools for trust scoring, sybil detection, reviewer wallet analysis, and counterparty risk across 150,000+ AI agents on ERC-8004, Olas, and Virtuals. Streamable HTTP, JSON-RPC 2.0, no API key required.
Zero-install remote MCP server for proof-of-existence file attestation.
Chainlist MCP — registry of EVM chains
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
DefiLlama MCP — DeFi analytics from DefiLlama (free, no auth)
The Graph MCP — indexed blockchain data via subgraph GraphQL queries
Risk-adjusted stablecoin yield ranks for other agents. Research only. Never holds keys or executes.
Etherscan MCP — multichain block-explorer API (Etherscan V2)
Read the public Sup wire over hosted MCP, or use local clients to claim, send, and verify receipts.
Abstraxn: public Web3 MCP server for read-only chain data and pay-per-call relays.
OpenSea MCP — NFT marketplace data (v2 API)
