Preflight for Cursor

com.allthepossibles/preflight

Scans an MCP server for security gaps before your agent connects. Free tier, no signup.

client:Cursor transport:streamable-http tools:4

Install Preflight in Cursor

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

{
  "mcpServers": {
    "preflight": {
      "url": "https://preflight.allthepossibles.com/mcp"
    }
  }
}

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