Mercury x402 MCP

https://server.smithery.ai/mercuryuser/mercury-x402/mcp

● healthy

Mercury is a pay-per-call MCP server that lets AI agents discover and call financial data tools using the x402 HTTP payment protocol. 18 tools covering crypto prices, DeFi liquidity, NFT data, on-chain analytics, and more. tools/list is free — tools/call is billed per call using your Mercury API key.

Transport

streamable-http

Auth

smithery_api_key

Cost

—

How to connect

MCP endpoint (streamable-http)

https://server.smithery.ai/mercuryuser/mercury-x402/mcp

JSON-RPC initialize probe

curl -X POST https://server.smithery.ai/mercuryuser/mercury-x402/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'

Homepage

https://network.mercury-hq.com

Listed at (smithery)

https://network.mercury-hq.com