Examine source code of Browser Control MCP

{
  "manifest_version": 2,
  "name": "Browser Control MCP",
  "version": "1.5.0",
  "description": "An extension that allows a local MCP server to perform actions on the browser.",
  "permissions": [
    "tabs",
    "tabGroups",
    "history",
    "storage"
  ],
  "optional_permissions": [
    "*://*/*",
    "find"
  ],
  "background": {
    "scripts": [
      "dist/background.js"
    ]
  },
  "options_ui": {
    "page": "options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6ba257e0-fbce-4d50-8471-25de7f024c1e}"
    }
  }
}