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Software & DevOpsAny

Debug frontend UI bugs with a browser agent

A frontend developer pairs Claude in Chrome with Claude Code to open the app, click through it, read the DOM, check console errors and network requests, and fix UI bugs.

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Time saved
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Use case overview

A frontend developer pairs Claude in Chrome with Claude Code to open the app, click through it, read the DOM, check console errors and network requests, and fix UI bugs.

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Reported experience

  1. What they did

    The author uses the Claude in Chrome extension, which sits in the browser sidebar. It can navigate pages, click buttons, read DOM elements, check console errors and monitor network requests. Paired with Claude Code in the terminal, the loop is: write code, have Claude open it in Chrome, test it and spot problems.

  2. How it went

    The readable part of the article is only the introduction. It says the author no longer has to switch tabs or reproduce errors by hand, but gives no specific bugs, numbers or failures.

  3. Worth knowing

    The article is member-only and cuts off early. Claude in Chrome needs a paid plan (Pro, Team or Enterprise), and a reader comment raises concerns about what browser traffic it can see.

Example prompts

Try with Claude Code
Open my app at [URL] in Chrome and reproduce this UI bug: [description]. Inspect the DOM, console errors and network requests to find the cause, then fix it in the code in [repo path]. Reload and confirm the bug is gone and nothing nearby has broken. Summarize the root cause and the change. Don't commit until I've reviewed the diff.

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