mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments for Windsurf

io.github.timwal78/mcp-x402

85+ pay-per-call MCP tools: trading, federal grants/contracts, SEC, FTD. x402 USDC/RLUSD. No keys.

client:Windsurf transport:streamable-http tools:3

Install mcp-x402 — MCP server for agents with autonomous USDC/RLUSD payments in Windsurf

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

{
  "mcpServers": {
    "mcp-x402": {
      "serverUrl": "https://mcp-x402.onrender.com/mcp"
    }
  }
}

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