x402 Discovery MCP

x402 Discovery MCP is an MCP server providing a continuously updated, machine-queriable catalog of x402-payable APIs and services, focused on real-time trust, quality, compatibility, and payment readiness. It exposes tools for API/service search, health checking, compliance scanning, trust scoring (ERC-8004), agent payment routing, live budget auditing, and service registration — all accessible by Claude, Cursor, Windsurf, and other MCP-compatible AI agents. Designed for agent developers, API providers, web3 builders, and anyone seeking robust discovery, trust, and payment orchestration for AI-driven services on the x402 ecosystem.