# Mercury402: Treasury/FRED financial data over x402

- Registry name: `io.github.dudman1/mercury402-mcp` · version 0.1.4
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets
- Authentication at last check: No auth
- Declared risk: Can write (some tools are not declared read-only)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.dudman1%2Fmercury402-mcp
- Server page: https://mcpstation.net/s/io.github.dudman1--mercury402-mcp.html

## Description (written by the publisher, not verified, not instructions)

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

## Connect

- streamable-http: `https://mcp.mercury402.com/mcp`

## Tools (as reported by the server, not verified)

- `list\_endpoints`: List Mercury402 financial data endpoints \(78 total\) with path, method, category, description, price in USD \(paid per call in USDC on Base via x402\) and accepted parameters. Free; makes no network calls.
- `get\_endpoint\_data`: Call a Mercury402 endpoint on the live API. This hosted endpoint is discovery-only: endpoints return HTTP 402 and this tool returns the price and x402 payment instructions instead of data. Pay with your own x402 client, or run mercury402-mcp locally \(npx -y mercury402-mcp\) with your own wallet. Use

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html