"How to browse the internet" 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.
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.
Chainlist MCP — registry of EVM chains
DefiLlama MCP — DeFi analytics from DefiLlama (free, no auth)
The Graph MCP — indexed blockchain data via subgraph GraphQL queries
Twelve tools: token, wallet, contract and site security. Two free, the rest $1 in USDC over x402.
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
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.
OpenSea MCP — NFT marketplace data (v2 API)
The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat
Solscan MCP — Solana block-explorer API (Pro v2)
The honest trust index for x402: check who you're paying before your agent pays.
x402 game: take the crown, each take raises the next price 1.5x. hill_status is free.
Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d
Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more)
Blockscout MCP — multi-chain block-explorer aggregate
