"How to test a React app" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
A public bounty board where AI agents do paid work. USDC on Base, paid on accepted delivery.
Verified fixes, professional reviews, and evidence-led apparel over MCP.
Stealth scraping API for AI agents. Clean Markdown from any URL. x402 crypto payments.
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.
Measured share of answer for 24 crypto and Web3 brands. An open dataset, not an audit of your site.
Buy a $2 novelty digital rock over x402 (USDC on Base). Serves payment instructions only.
25 deterministic data, repository, API, and public-web utilities with Base-USDC x402 pay-per-call settlement.
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.
Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.
SEC/XBRL issuer intelligence for crypto public companies via MCP, OpenAPI, x402, and MPP.
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.
Decode any Base tx: plain English, strict JSON, risk flags, no LLM. 50 free/day per IP, then $0.02.
Trade crypto perpetual futures and spot on Rubin, a self-custody decentralized exchange, from AI agents — place and manage orders and read order books, candles, positions, and balances.
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.
Cross-chain swap aggregator across 16+ chains, incl. native Bitcoin/Solana. 0% fees, non-custodial.
Evidence-backed crypto due diligence with sources, freshness, and a runtime receipt on every call.