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Mercury402: Treasury/FRED financial data over x402

Treasury/FRED financial data over x402: pay-per-call US yields, macro and forex in USDC on Base

Endpoint
Answering
Works in
20 of 21 clients
Tools
2
Last checked
Nov 1, 2026

Does Mercury402: Treasury/FRED financial data over x402 work in your MCP client?

Registry name io.github.dudman1/mercury402-mcp, endpoint https://mcp.mercury402.com/mcp.

  • Claude Codeworks
  • Claude Desktopworks
  • Claude.aiworks
  • Claude API MCP connectorworks
  • ChatGPTworks
  • OpenAI Responses APIworks
  • Codexworks
  • Gemini CLIworks
  • Cursorworks
  • VS Code (GitHub Copilot)works
  • Windsurf (Devin Desktop)works
  • Zedworks
  • JetBrains AI Assistantworks
  • Junieunknownno source confirms Junie supports Streamable HTTP
  • Clineworks
  • Continueworks
  • Gooseworks
  • Lovableworks
  • Replit Agentworks
  • Bolt.newworks
  • v0works

How clients sign in

No credentials: it answered lurq's probe without any.

Tools

list_endpointsget_endpoint_data

Get the setup for your client from your agent

This page is a daily snapshot. lurq's connect_check answers for the client you are wiring this server into, with the exact steps and the config to paste in that client's own format, and lurq mcp-pin tells you when the server changes. One command connects Claude Code, Cursor, VS Code and other agents:

npx lurqrun

Free to start. How connect_check works

From lurq's credential-free probe of this server's endpoint on Nov 1, 2026, and each client's own documentation. This page refreshes every 168 hours. How the probe works, and how maintainers opt out. Source repository.