Mercury x402 MCP
Mercury is a pay-per-call MCP server that lets AI agents discover and call financial data tools using the x402 HTTP payment protocol.
Community: Submitted by a user or imported; check the owner before granting accessRequires local installNo sign-inGlobalFreeRead-only
This server only runs on your computer. It cannot be added to Claude or ChatGPT web. See the project docs for installation.
What it can do
What data it sees
Do you need an account
No: the server works without sign-in
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.
Requires a local install: run the server on your machine, then point your client at it.
Tools not fetched yet: the server requires sign-in; the list appears after a manual check.