USDC & RPC Reference (free) for Cursor

app.netlify.x402-preflight-grokbot/usdc-rpc-reference

Free read-only data: verified USDC addresses and EIP-712 domains, measured RPC eth_getLogs limits.

client:Cursor transport:streamable-http tools:3

Install USDC & RPC Reference (free) in Cursor

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

{
  "mcpServers": {
    "usdc-rpc-reference": {
      "url": "https://x402-preflight-grokbot.netlify.app/mcp"
    }
  }
}

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