Mercury402: Treasury/FRED financial data over x402 for Claude Code

io.github.dudman1/mercury402-mcp

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

client:Claude Code transport:streamable-http runtime:npm tools:2

Install Mercury402: Treasury/FRED financial data over x402 in Claude Code

run in your project directory

claude mcp add --transport http mercury402-mcp https://mcp.mercury402.com/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs