MERCURY MCP Server
Hosted Model Context Protocol server (serverInfo mercury-x402 1.0.0, protocolVersion 2025-06-18, streamable HTTP, JSON-RPC 2.0 over POST https://network.mercury-hq.com/mcp) exposing 18 tools that mirror the 18 paid /buy/* routes one-to-one, each with a real inputSchema. tools/list and initialize are free and unauthenticated; tools/call requires a Mercury API key (Authorization: Bearer mk_...). A first-party stdio package, mercury-x402-mcp on npm (npx -y mercury-x402-mcp, wallet key in MERCURY_PRIVATE_KEY), wraps the same catalog for wallet-paying agents and adds free mercury_catalog and mercury_verify tools.