Examine source code of DesCaptcha

{
  "manifest_version": 3,
  "name": "Auto-Solve reCAPTCHA",
  "version": "1.0.1",
  "description": "Bypass reCAPTCHA audio challenges automatically using Wit.ai.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.google.com/recaptcha/*",
    "*://*.recaptcha.net/*",
    "https://api.wit.ai/*"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.google.com/recaptcha/api2/bframe*",
        "*://*.recaptcha.net/recaptcha/api2/bframe*",
        "*://*.google.com/recaptcha/api2/anchor*",
        "*://*.recaptcha.net/recaptcha/api2/anchor*",
        "*://*.google.com/recaptcha/enterprise/bframe*",
        "*://*.recaptcha.net/recaptcha/enterprise/bframe*",
        "*://*.google.com/recaptcha/enterprise/anchor*",
        "*://*.recaptcha.net/recaptcha/enterprise/anchor*"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "recaptcha-auto-solver@boemi",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}