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How to test a web app flow in a live Firefox session with Alphacode

Have AlphaCode walk through a login or form flow in Firefox and report reproducible problems.

Authorization notice. Alphacode is dual-use. Only use it on software, sites and systems you own or have explicit permission to test.

Credentials. Browser automation can act inside an existing authenticated session, so review the requested actions before letting the agent submit forms or change account settings.

Who it is forA QA tester or web developer who needs to check a JavaScript-heavy page or an authenticated flow that scripted tests do not cover well.

The problemManual checks of dynamic pages and logged-in flows are slow and easy to skip, and simple HTTP tools cannot see what the page renders.

The outcomeA walkthrough of the flow in a real browser, with screenshots and a list of reproducible problems.

What you need first

  • A terminal on macOS, Linux, or Windows (use Windows Terminal or PowerShell on Windows)
  • A project folder or repository you want the agent to work in
  • Internet access to run the installer
  • Optional: API keys for Claude, GPT, Gemini, or other providers, which may incur charges
  • For browser tasks: Firefox with the AlphaCode Browser Agent extension installed
  • For desktop tasks: a working platform accessibility backend (UI Automation, Accessibility API, or AT-SPI2)

Steps

  1. Install the AlphaCode Browser Agent extension from Firefox Add-ons at https://addons.mozilla.org/en-US/firefox/addon/alphacode-browser-agent/.
  2. Run alphacode browser setup.
  3. Run alphacode browser status and confirm the browser bridge responds.
  4. Run alphacode and describe the flow to test, such as logging in, opening the dashboard, and checking form validation.
  5. Review the reported results and screenshots, and confirm any problem by repeating it yourself.

Prompt for your agent

Use the dragonked2/alphacode repo with its Firefox browser automation to test the login flow at <application URL>. Report each step, capture a screenshot of any failure, and list only problems you could reproduce. Verify the report by repeating one failing step manually.

Caveat. The README says browser automation acts inside a real browser session and that page content should be treated as untrusted input.

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