"How to send an email through the end-user's Outlook" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.
The Brain Layer for AI Trading Agents — quant calls + cross-venue arb across perp venues via MCP.
Non-custodial Hyperliquid perpetual-futures trading for Claude, Cursor and any MCP client: live market data, orderbook, candles, account state and — once the user arms it — order execution with on-chain leverage on the user's own wallet. No withdraw tool, server-enforced caps.
Three independent sensors read pre-price Bitcoin flows every 30s and reject almost everything. When they converge, a call is emitted with evidence — and the public rejection funnel proves how often it stays silent. Auditable in one call. Free tier; Pro 50 USD/month or 0.01 USD/query via x402.
Mint an agent identity in two free calls. Verify anyone. Earn 75% when someone reads you.
Use MCP 2026-07-28 discovery or 2025-11-25 initialize to list and execute PubFi routes.
Pay-per-action access to APIs and MCP tools over Lightning L402 and Base USDC x402.
Add pay-per-action access to APIs, MCP tools, automations, and digital resources using Bitcoin Lightning L402 or Base USDC x402. AIPP provides payment verification and direct-to-wallet settlement without subscriptions.
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.
Teardrop is the native economic layer for AI agents, providing a robust suite of tools for multi-chain portfolio tracking, DeFi yield analysis, and gas estimation. It enables autonomous agents to securely find Web3 data and manage micro-payments on-chain with zero human intervention.
Authenticated hosted Streamable HTTP MCP server for crypto data routing through PubFi capability and gateway tools.
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.
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.
The Bitcoin credit markets, measured. Cross-venue rates, venue criteria, chain indicators.
Inspect and validate an x402 endpoint before an autonomous agent spends USDC.
AI-agent verifier: verdict committed before the outcome graded against it; /review, /ledger.
Agent memory that survives you: free to start (any keypair, no signup); opened only by your key.
Cash out an AI agent's USDC to a real bank account (non-custodial). Plus Base data + a marketplace
The on-chain facts you need in the seconds before you transact.
Verify and settle x402 stablecoin payments; browse the PayAI Bazaar of x402-payable resources.
