Examine source code of Pull Tabs

{
  "manifest_version": 3,
  "name": "Pull Tabs",
  "description": "Save open tabs to disk as files or put them in your Pocket.",
  "version": "0.17.1",
  "web_accessible_resources": [
    {
      "resources": [
        "pocket.html",
        "https://getpocket.com/v3/*"
      ],
      "matches": [],
      "extension_ids": []
    }
  ],
  "icons": {
    "16": "img/icon-16.png",
    "32": "img/icon-32.png",
    "48": "img/icon-48.png",
    "128": "img/icon-128.png"
  },
  "host_permissions": [
    "https://getpocket.com/v3/*"
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "permissions": [
    "tabs",
    "downloads",
    "identity",
    "bookmarks",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5110d56d-5344-43e2-9db0-01edc142bcd1}"
    }
  },
  "action": {
    "default_icon": "img/icon.svg",
    "default_popup": "popup.html",
    "default_title": "Pull Tabs"
  }
}