1. Habit
  2. Skills
  3. agent-browser skill
vercel-labs · 1.2M installs

agent-browser skill
Runs by itself, every night.

Your web app tested every night.

Install the agent-browser skill and make it a habit: follow https://gethabit.dev/skills/vercel-labs/agent-browser.md

  1. 1Copy
  2. 2Paste into Claude Code, Codex or Cursor
  3. 3It runs by itself

1.2M installs44K starsApache-2.0 licenceSource on GitHub ↗

agent-browser

by vercel-labs · 1.2M installs

The skill

Lets your agent use a web browser to click, type and look at pages.

Only when you ask.

Fewer bugs

Your web app tested every night. Bugs found early, so fewer reach your users.

↻ Runs by itselfevery night

How the habit works.
You don't have to.

Three questionsWhen does it start? How does it check its work? What does it remember?

01

It starts by itself

nightly app check. Runs in Claude Code routine.

  • ↻ nightly app check
  • 0 2 * * *

02

It checks its work

guide loaded, screenshots saved. If a check fails, it tells you.

  • ✓agent-browser skills get core exits without error
  • ✓at least one screenshot file exists for this run
  • ✓the board has an entry for this run

03

It remembers

open QA findings. The next run reads it first: bugs found on earlier nights that are still open.

loops/browser-qa-loop/board.md

One run, step by step.
Then it stops.

Stop ruleStops after 20 pages or 10 findings per run, whichever comes first.

  1. 01

    Load the guide

    Your agent runs agent-browser skills get core to get the workflow for the installed version.

  2. 02

    Load QA skill

    It runs agent-browser skills get dogfood for exploratory testing and bug hunts.

  3. 03

    Recheck old bugs

    It opens the pages behind open findings on the board first.

  4. 04

    Explore the app

    It navigates pages, fills forms, clicks buttons and takes screenshots.

  5. 05

    Log findings

    It adds new bugs with screenshots to the board and closes fixed ones.

What it may do.
Nothing more.

Safe by defaultIt writes only in its own folder and asks you before anything goes out.

Is it for you?
Use it when it fits.

Quick checkRead both lists. If the left one sounds like you, the agent-browser skill helps.

Use it when

  • ✓ You test a web app
  • ✓ You fill forms or scrape pages
  • ✓ You automate an Electron app

Skip it when

  • – You only need to fetch a static page
  • – You cannot install a CLI

Questions

agent-browser skill, answered.

Why load the guide every run?

The SKILL.md is only a stub. The CLI serves the guide that matches the installed version, so it never goes stale.

Does it need Playwright?

No. agent-browser drives Chrome or Chromium over CDP without Playwright or Puppeteer.

How do I install it?

Run npm i -g agent-browser and then agent-browser install.

How do I install the agent-browser skill?

Copy the prompt at the top into your agent. It installs the skill from vercel-labs/agent-browser and sets up the habit. Or run npx skills add vercel-labs/agent-browser --skill agent-browser.

Is the agent-browser skill free?

Yes. It is published under Apache-2.0. Habit is free too.

agent-browser. Now as a habit.

Install the agent-browser skill and make it a habit: follow https://gethabit.dev/skills/vercel-labs/agent-browser.md

  • Free
  • No account
  • Undo in one line

All vercel-labs skills →More code skills →

Works in

  • Claude Code
  • Codex
  • Cursor
  • ChatGPT
  • Claude app

Made by vercel-labs, published under Apache-2.0. Habit links to the original and never changes it. Is this your skill?

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