Mercury402: Treasury/FRED financial data over x402 for Gemini CLI

io.github.dudman1/mercury402-mcp

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

client:Gemini CLI transport:streamable-http runtime:npm tools:2

Install Mercury402: Treasury/FRED financial data over x402 in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json

{
  "mcpServers": {
    "mercury402-mcp": {
      "httpUrl": "https://mcp.mercury402.com/mcp"
    }
  }
}

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs