Chrome extensions using the debugger API
The debugger protocol sits below the normal permission model. It can observe and modify essentially anything in the browser, including keystrokes as they are typed.
10
Extensions
3%
Share of tracked
273K
Combined installs
Holding a permission is not wrongdoing. A password manager needs access to every site; a screen recorder needs the tab. What matters is whether the access matches what the extension is for. These lists let you make that judgement yourself, which the store’s one-line warning does not.
Extensions holding chrome debugger
- Thunderbit: AI Web Scraper & Web Automation Agent10 permissions100K
- Browser MCP - Automate your browser using VS Code, Cursor, Claude, and more6 permissions · not updated in 16 months100K
- ScribbleVet Browser Companion21 permissions20K
- Browserflow - Web Scraping & Web Automation10 permissions20K
- Core Web Vitals Visualizer1 permissions10K
- Core Web Vitals Test6 permissions · not updated in 18 months8K
- Gaya18 permissions4K
- Write It - Auto Typer for Google Docs, Slides and Microsoft Word10 permissions4K
- vREST - REST API Testing Tool5 permissions4K
- GoLess: Browser Automation and Web Scraping10 permissions · not updated in 31 months3K
Other permissions
Chrome extensions that can read every website you visitChrome extensions that can read your browsing historyChrome extensions that can read your cookiesChrome extensions that talk to programs on your computerChrome extensions that can read your clipboardChrome extensions that can control your network proxyChrome extensions that can disable your other extensions
Permissions are read from each extension’s published manifest, as of 2026-09-16. Counts cover the 295 extensions tracked so far, not the whole store.