promptgarten ๐ŸŒฑ
๐ŸŒ ES

Add-ons & integrations ยท Browser

Claude in Chrome

โœ“ Official

Anthropic's official browser extension: Claude reads, clicks, and navigates web pages alongside you โ€” available to all paid plans since December 2025.

Claude in Chrome is Anthropic's official browser extension (Chrome Web Store, also runs in Microsoft Edge, not in Brave, Arc, or under WSL). It lets Claude perform real browser actions: navigate, click, fill out forms, read console and network logs, take screenshots, and record interactions as a GIF. Because the extension shares your browser's login state, Claude also gets access to pages you're already logged into โ€” Gmail, Notion, Google Docs โ€” with no dedicated API connection at all. Actions run visibly in real time in an actual Chrome window; on login screens or captchas, Claude pauses and hands control back to you.

It can be used standalone via claude.ai or embedded in Claude Code: there you start it with the --chrome flag or the /chrome command in a running session; in the background, Claude Code sets up a native messaging host configuration for this, through which Chrome and the CLI communicate locally. In plan mode, purely read-only calls (reading a page, checking the console, taking a screenshot) run without asking, while state-changing actions like clicks, input, or navigation must be confirmed first. Available in beta for all paid plans since December 2025. Because manipulated web pages can try to trick Claude via prompt injection, website permissions should be granted deliberately and sensitive actions like payments should be avoided.

๐Ÿ”ง SETUP

  1. Install Chrome or Microsoft Edge (other Chromium browsers such as Brave or Arc are not supported, nor is WSL)
  2. Install the "Claude" extension from the Chrome Web Store (chromewebstore.google.com/detail/claude/fcoeoabgfenejglbffodgkkbkcdhcgfn), version 1.0.36 or higher
  3. Sign in with your Claude account and set website permissions in the extension settings to control which pages Claude may visit/click/type on
  4. To use it with Claude Code (version 2.0.73+): run `claude --chrome`, or run `/chrome` in a running session and confirm the connection
  5. Optional: with `/chrome` โ†’ choose "Enabled by default" so Chrome doesn't have to be re-enabled with a flag every session

โœ… WHEN TO USE IT?

Live debugging without switching context

"Open localhost:3000, try submitting the form with invalid data, and check whether the error messages appear correctly" โ€” Claude tests directly in the real browser and reports what it sees.

Extracting data from logged-in pages

"Go to the product list and extract name, price, and availability of each item as CSV" โ€” also works on pages you're already logged into, with no dedicated API connection at all.

โ›” WHEN NOT TO?

Beta with prompt injection risk

Manipulated web pages can try to trick Claude via hidden instructions; the extension is still officially labeled as beta.

Better: Grant access only to trusted domains, avoid sensitive actions like payments or password changes, and review proposed actions before approving them.

Not available everywhere

Per the docs, it only works with Chrome and Edge, not with Brave, Arc, or other Chromium browsers, and not under WSL.

Better: Work on a supported browser, or use Computer Use instead for native desktop apps.

SOURCES