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Agent skill

Browser QA

by c0x12c in c0x12c/ai-toolkit

Run real browser QA with Playwright. An agent skill from c0x12c/ai-toolkit.

No licenceAuto-check passedTesting & QA

Install Browser QA

skills CLI
$ npx skills add c0x12c/ai-toolkit --skill browser-qa -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install c0x12c/ai-toolkit browser-qa --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/c0x12c/ai-toolkit.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/browser-qa .claude/skills/browser-qa && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
browser-qa
GitHub stars
106
Token cost
~865 tokens
SKILL.md length
432 words
Files
2
Skills in repo
33
Repo updated
First seen
Licence
None found

At a glance

Run real browser QA with Playwright. An agent skill from c0x12c/ai-toolkit.

  • Works in 5 steps: Page Health → Layout & Responsive → Interactive Elements → …
  • Testing a frontend feature
  • SKILL.md covers When to Use, What This Skill Does, QA Check Categories and Playwright Patterns & Report…, plus 2 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Browser QA is an agent skill from c0x12c/ai-toolkit. Run real browser QA with Playwright. Use when testing a frontend feature, verifying UI before PR, smoke testing after deploy, or investigating reported visual bugs.

Its SKILL.md is about 870 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `playwright-snippets.md`).

It sits in Testing & QA, covering Browser testing. It works with Playwright.

When your agent uses it

  • Testing a frontend feature
  • Verifying UI before PR
  • Smoke testing after deploy
  • Investigating reported visual bugs

Example prompts

  • “/browser-qa”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Page Health
  2. Layout & Responsive
  3. Interactive Elements
  4. Navigation Flow
  5. Data Display

What it can do on your machine

Read from SKILL.md and the folder at commit 96b2c9d. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Browser QA loads about 865 tokens when it runs. Until then it costs about 44 tokens; SKILL.md has 432 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~44
When it runs · the whole SKILL.md, loaded when a task matches
~865

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 432 words (~865 tokens).

“Test web apps with a real browser. Find bugs users would find.”

— opening of SKILL.md by c0x12c
name
browser-qa

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file in .codex/skills/browser-qa of c0x12c/ai-toolkit.

  • SKILL.md
  • playwright-snippets.md

Open the folder on GitHubat commit 96b2c9d

Compare with similar skills

Browser QA next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Browser QA compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Browser QA this skillc0x12c/ai-toolkit106—~865Automated safety check: PassNone
Web Application Testinganthropics/skills180k51 repos~966Automated safety check: PassApache-2.0
Playwright CLIsanity-io/sanity6.4k18 repos~1.9kAutomated safety check: PassMIT
Write and Verify Playwright Testsappsmithorg/appsmith41k—~2.9kAutomated safety check: NotesApache-2.0
playwright-cli Browser Automationgithub/gh-aw5.4k23 repos~2.8kAutomated safety check: PassMIT
Cucumber and Playwright E2E Testslanggenius/dify158k—~682Automated safety check: PassCustom licence

Similar skills

  • Web Application Testing

    anthropics/skills

    Official

    Tests local web applications with Python Playwright scripts, checking frontend behavior, capturing screenshots and reading browser console logs.

    180k GitHub starsUsed in 51 repos~966 tokens
    Testing & QAAuto-check passed

  • Playwright CLI

    sanity-io/sanity

    Official

    Automates browser interactions for web testing, form filling, screenshots, and data extraction.

    6.4k GitHub starsUsed in 18 repos~1.9k tokens
    Testing & QAAuto-check passed

  • Write and Verify Playwright Tests

    appsmithorg/appsmith

    Writes a Playwright end-to-end test from a prompt, runs it against a live Appsmith deployment and retries with fixes up to three times until it passes.

    41k GitHub stars~2.9k tokensUpdated today
    Testing & QAAuto-check: notes

  • playwright-cli Browser Automation

    github/gh-aw

    Official

    Drives a real browser from the command line with playwright-cli to open pages, interact, mock requests, save state and work with Playwright tests.

    5.4k GitHub starsUsed in 23 repos~2.8k tokens
    Testing & QAAuto-check passed

  • Cucumber and Playwright E2E Tests

    langgenius/dify

    Guides changes and reviews of the Cucumber and Playwright end-to-end suite under `e2e/`: feature files, step definitions, support code, tags, locators and assertions.

    158k GitHub stars~682 tokensUpdated today
    Testing & QAAuto-check passed

  • E2E Testing

    langflow-ai/langflow

    Write and review Playwright E2E tests for Langflow. An agent skill from langflow-ai/langflow.

    155k GitHub stars~3.3k tokensUpdated today
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Works with

Categories

Questions about Browser QA

What does Browser QA do?

Run real browser QA with Playwright. An agent skill from c0x12c/ai-toolkit. Browser QA is an agent skill from c0x12c/ai-toolkit. Run real browser QA with Playwright.

When should I use Browser QA?

Browser QA fits situations like: testing a frontend feature; verifying UI before PR; smoke testing after deploy; investigating reported visual bugs.

How do I install Browser QA in Claude Code?

Run `npx skills add c0x12c/ai-toolkit --skill browser-qa -a claude-code`. Or copy the skill folder (.codex/skills/browser-qa in c0x12c/ai-toolkit) into .claude/skills/browser-qa in your project. Claude Code loads it when a task matches its description.

How do I install Browser QA in Codex?

Run `npx skills add c0x12c/ai-toolkit --skill browser-qa -a codex`. Or copy the skill folder (.codex/skills/browser-qa in c0x12c/ai-toolkit) into .agents/skills/browser-qa in your project. Codex loads it when a task matches its description.

Can I use Browser QA in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add c0x12c/ai-toolkit --skill browser-qa -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/browser-qa, .gemini/skills/browser-qa, .github/skills/browser-qa and .opencode/skills/browser-qa in your project.

What does Browser QA need to run?

SKILL.md names no scripts, command-line tools or credentials: Browser QA is instructions for the agent only.

Does Browser QA access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Browser QA safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Browser QA use?

No licence was found for Browser QA or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Browser QA use?

About 865 tokens (SKILL.md is roughly 3.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Browser QA?

Skills that share tags, products or a category with Browser QA: Web Application Testing (anthropics/skills, 180k stars), Playwright CLI (sanity-io/sanity, 6.4k stars), Write and Verify Playwright Tests (appsmithorg/appsmith, 41k stars) and playwright-cli Browser Automation (github/gh-aw, 5.4k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Browser QA?

c0x12c (a GitHub organization) maintains it in c0x12c/ai-toolkit, which has 106 GitHub stars. The repository holds 33 skills in this directory. The repository was last updated on June 18, 2026.

Source: c0x12c/ai-toolkit on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.