Mercury402: Treasury/FRED financial data over x402 for Windsurf

io.github.dudman1/mercury402-mcp

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

client:Windsurf transport:streamable-http runtime:npm tools:2

Install Mercury402: Treasury/FRED financial data over x402 in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

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

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs