esp-idf/tools/requirements.json

{
    "version": 1,
    "features": [
        {
            "name": "core",
            "description": "Core packages necessary for ESP-IDF",
            "optional": false,
            "requirement_path": "tools/requirements/requirements.core.txt"
        },
        {
            "name": "gdbgui",
            "description": "Packages for supporting debugging from web browser",
            "optional": true,
            "requirement_path": "tools/requirements/requirements.gdbgui.txt"
        }
    ]
}