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Discovers x402-payable APIs at runtime. Enables autonomous agents to find, evaluate, and pay for services via USDC micropayments on Base — no API keys or subscriptions required.

Transport
streamable-http
Auth
smithery_api_key
Cost

How to connect

MCP endpoint (streamable-http)
https://server.smithery.ai/rplryan/x402-discovery/mcp
JSON-RPC initialize probe
curl -X POST https://server.smithery.ai/rplryan/x402-discovery/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'
Homepage
https://x402-discovery-api.onrender.com/smithery
Listed at (smithery)
https://x402-discovery-api.onrender.com/smithery