X402search Mcp

x402search MCP Server is a Model Context Protocol (MCP) server that enables agents to search across 14,000+ x402-enabled HTTP APIs. It is designed for developers and AI agents that need programmatic discovery and ranking of APIs, especially in crypto, DeFi, and blockchain domains. The tool supports multiple agent environments (Claude Desktop, Cursor, LangChain, CrewAI, etc.) and returns structured results with endpoint URLs, payment metadata, and relevance ranking. No account is required, but an EVM-compatible private key and USDC on Base mainnet are necessary for use.