Examine source code of MagnetGrab

{
  "name": "MagnetGrab",
  "version": "2.1",
  "manifest_version": 3,
  "description": "Build and grab magnet links from torrent hashes and existing magnet URIs",
  "permissions": [
    "contextMenus",
    "scripting",
    "clipboardWrite",
    "notifications",
    "storage",
    "alarms"
  ],
  "background": {
    "scripts": [
      "script.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "magnetgrab@extension",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}