"Resources or information related to research" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
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.
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.
Read-only paper risk evidence and policy-gated committed event research. No real orders.
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.
Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.
Pre-transaction token risk checks for autonomous agents. Read-only; never signs or moves funds. Paid per call in USDC via x402. Supporting Base, Solana, Ethereum, Arbitrum, BSC and HyperEVM
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.
Cryptocurrency fundamentals research and education. Model-derived scores and valuation estimates.
PIX payments for Brazil: verify a settlement with no API key, or sell USDT/USDC for BRL over PIX.
Validated trading edges across futures, equities, crypto. Live signals, full audit trail.
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.
Signed BTC and macro market intelligence for autonomous research, risk, and trading agents.
Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.
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
Verify and settle x402 stablecoin payments; browse the PayAI Bazaar of x402-payable resources.
Rent verified subdomains by the hour, day, or month. Free 24h trials, x402 USDC on Base.
