Examine source code of Endpoint Security Checker

{
  "manifest_version": 2,
  "name": "Endpoint Security Checker",
  "version": "1.1",
  "description": "A Mozilla extension to analyze and check security vulnerabilities in API endpoints.",
  "permissions": [
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "storage",
    "notifications"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icons/logo_64.png"
  },
  "icons": {
    "64": "icons/logo_64.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{ba616729-0c80-4f31-830a-a95fd364d160}"
    }
  }
}