SendCheck — EVM address verification (x402) for Cursor

org.pennyforge.api/sendcheck

Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.

client:Cursor transport:streamable-http tools:3

Install SendCheck — EVM address verification (x402) in Cursor

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

{
  "mcpServers": {
    "sendcheck": {
      "url": "https://api.pennyforge.org/mcp"
    }
  }
}

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