PennyRail Transaction Router for Cursor

io.github.clay-swartz/pennyrail

Find and quote agent capabilities, then pay only the selected x402 execution URL.

client:Cursor transport:streamable-http

Install PennyRail Transaction Router in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "pennyrail": {
      "url": "https://pennyrail.vercel.app/api/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs