402Signal for Cursor

io.github.402signal/402signal

Fail-closed live-endpoint x402 router. POST /route, $0.01 USDC on Base, Solana, Algorand.

client:Cursor transport:streamable-http tools:3

Install 402Signal in Cursor

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

{
  "mcpServers": {
    "402signal": {
      "url": "https://402signal.com/mcp"
    }
  }
}

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