Examine source code of Pinterest Stats Viewer

{
  "manifest_version": 2,
  "name": "Pinterest Stats Viewer",
  "version": "1.0",
  "description": "View save counts, comments, and reaction stats for any Pinterest pin with a convenient eye button.",
  "browser_specific_settings": {
    "gecko": {
      "id": "pinterest-stats-viewer@example.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "*://*.pinterest.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.pinterest.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "48": "icon-48.png",
    "96": "icon-96.png"
  }
}