Web Quality Audit
addyosmani/web-quality-skills
Run an evidence-led web quality audit covering performance, accessibility, SEO, best practices, and agentic browsing.
A skill your agent uses when a task changes any screen, form, dialog, menu or control - Lighthouse/axe scan of the changed screens, a keyboard walk, and the thresholds that fail a task
Install Accessibility Check
$ npx skills add makifbaysal/tasktrooper --skill accessibility-check -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install makifbaysal/tasktrooper accessibility-check --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/makifbaysal/tasktrooper.git skills-src && mkdir -p .claude/skills && cp -r skills-src/catalog/agents/qa-agent/skills/accessibility-check .claude/skills/accessibility-check && rm -rf skills-srcUse ~/.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/
Install the "accessibility-check" agent skill from https://github.com/makifbaysal/tasktrooper/tree/main/catalog/agents/qa-agent/skills/accessibility-check into .claude/skills/accessibility-check/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "accessibility-check", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/makifbaysal/tasktrooper/tree/main/catalog/agents/qa-agent/skills/accessibility-checkType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add makifbaysal/tasktrooper --skill accessibility-check -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install makifbaysal/tasktrooper accessibility-check --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/makifbaysal/tasktrooper.git skills-src && mkdir -p .agents/skills && cp -r skills-src/catalog/agents/qa-agent/skills/accessibility-check .agents/skills/accessibility-check && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "accessibility-check" agent skill from https://github.com/makifbaysal/tasktrooper/tree/main/catalog/agents/qa-agent/skills/accessibility-check into .agents/skills/accessibility-check/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "accessibility-check", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add makifbaysal/tasktrooper --skill accessibility-check -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install makifbaysal/tasktrooper accessibility-check --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/makifbaysal/tasktrooper.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/catalog/agents/qa-agent/skills/accessibility-check .cursor/skills/accessibility-check && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "accessibility-check" agent skill from https://github.com/makifbaysal/tasktrooper/tree/main/catalog/agents/qa-agent/skills/accessibility-check into .cursor/skills/accessibility-check/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "accessibility-check", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/makifbaysal/tasktrooper.git --path catalog/agents/qa-agent/skills/accessibility-check--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add makifbaysal/tasktrooper --skill accessibility-check -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install makifbaysal/tasktrooper accessibility-check --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/makifbaysal/tasktrooper.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/catalog/agents/qa-agent/skills/accessibility-check .gemini/skills/accessibility-check && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "accessibility-check" agent skill from https://github.com/makifbaysal/tasktrooper/tree/main/catalog/agents/qa-agent/skills/accessibility-check into .gemini/skills/accessibility-check/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "accessibility-check", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install makifbaysal/tasktrooper accessibility-checkInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add makifbaysal/tasktrooper --skill accessibility-check -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/makifbaysal/tasktrooper.git skills-src && mkdir -p .github/skills && cp -r skills-src/catalog/agents/qa-agent/skills/accessibility-check .github/skills/accessibility-check && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "accessibility-check" agent skill from https://github.com/makifbaysal/tasktrooper/tree/main/catalog/agents/qa-agent/skills/accessibility-check into .github/skills/accessibility-check/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "accessibility-check", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add makifbaysal/tasktrooper --skill accessibility-check -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install makifbaysal/tasktrooper accessibility-check --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/makifbaysal/tasktrooper.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/catalog/agents/qa-agent/skills/accessibility-check .opencode/skills/accessibility-check && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "accessibility-check" agent skill from https://github.com/makifbaysal/tasktrooper/tree/main/catalog/agents/qa-agent/skills/accessibility-check into .opencode/skills/accessibility-check/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "accessibility-check", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
accessibility-check- GitHub stars
- 112
- Token cost
- ~1.1k tokens
- SKILL.md length
- 274 words
- Files
- 1
- Skills in repo
- 12
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
A skill your agent uses when a task changes any screen, form, dialog, menu or control - Lighthouse/axe scan of the changed screens, a keyboard walk, and the thresholds that fail a task
- A task changes any screen
- SKILL.md covers Thresholds, Scan (public pages), Full axe (pages behind login,… and Keyboard walk (playwright-cli), plus 2 more sections
- Calls node, npx and jq
- Control - Lighthouse/axe scan of the changed screens
What it does
Accessibility Check is an agent skill from makifbaysal/tasktrooper. Use when a task changes any screen, form, dialog, menu or control - Lighthouse/axe scan of the changed screens, a keyboard walk, and the thresholds that fail a task
Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Frontend & Design, covering Accessibility and Web performance. It works with Playwright. The repository describes itself as: Local-first agent platform: board + role agents + agent CLI runs (Claude Code, Cursor, Antigravity, OpenCode) or local and API models (Ollama, LM Studio), all on your own Mac. The licence is Apache-2.0.
When your agent uses it
- A task changes any screen
- Control - Lighthouse/axe scan of the changed screens
- A keyboard walk
- The thresholds that fail a task
Example prompts
- “/accessibility-check”
Requirements
- Node.js
What it can do on your machine
Read from SKILL.md and the folder at commit c4496d5. 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
Shell commands in SKILL.md call:
nodenpxjqnpm
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use npx and npm, which can reach the network depending on how they are called.
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
Accessibility Check loads about 1.1k tokens when it runs. Until then it costs about 46 tokens; SKILL.md has 274 words of instructions outside code blocks.
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
The full file from makifbaysal/tasktrooper at commit c4496d5, republished under its Apache-2.0 licence (© makifbaysal). 274 words, ~1,082 tokens.
Download SKILL.mdSave it as
.claude/skills/accessibility-check/SKILL.md (or your agent's skills folder).- name
- accessibility-check
- description
- Use when a task changes any screen, form, dialog, menu or control - Lighthouse/axe scan of the changed screens, a keyboard walk, and the thresholds that fail a task
- category
- qa
- source
- wshobson/agents (MIT), microsoft/playwright-cli (Apache-2.0), adapted
Accessibility Check
Thresholds
The same bar the frontend developer builds to (accessibility-basics, ui-quality-floor, responsive-mobile-first) — QA and developer share one bar, not a separate QA opinion:
- labels on every control,
aria-labelon icon-only buttons; - visible focus on every interactive element;
- contrast ≥4.5:1 body text / ≥3:1 large text;
- touch targets ≥44px phone / ≥24px desktop;
<input>font ≥16px on phone;- exactly one
<h1>,langset on<html>, nouser-scalable=no; - a dialog traps focus while open,
Escapecloses it, focus returns to the trigger; - submitting with errors moves focus to the first invalid field, which carries
aria-invalid.
Scan (public pages)
QA=${TMPDIR:-/tmp}/tt-<task-key>/qa; mkdir -p "$QA"; node -v # lighthouse@13 needs Node >=22, else lighthouse@12
CHROME_PATH="$CHROME_BIN" npx -y lighthouse@13 "http://localhost:5173/settings" \
--only-categories=accessibility,best-practices --form-factor=mobile \
--screenEmulation.mobile --screenEmulation.width=360 --screenEmulation.height=800 --screenEmulation.deviceScaleFactor=2 \
--chrome-flags="--headless=new" --output=json --output-path="$QA/lh-settings-360.json" --quiet
jq -r '.audits|to_entries[]|select(.value.score==0)|"\(.key)\t\(.value.title)"' "$QA/lh-settings-360.json" # no jq: node -e 'for (const [k,v] of Object.entries(require(process.argv[1]).audits)) if (v.score===0) console.log(k+"\t"+v.title)' "$QA/lh-settings-360.json"Run with run_terminal timeout_seconds: 300. errors-in-console in the output doubles as the console check for page load.
Full axe (pages behind login, or when Lighthouse flags something)
Install playwright-core + @axe-core/playwright into $QA, never the workspace:
cd "$QA" && [ -d node_modules/@axe-core/playwright ] || npm i --no-audit --no-fund --silent playwright-core@1.63 @axe-core/playwright@4.13
cat > axe.cjs <<'EOF'
const { chromium } = require('playwright-core');
const { AxeBuilder } = require('@axe-core/playwright');
(async () => {
const [url, width = '360'] = process.argv.slice(2);
const browser = await chromium.launch({ executablePath: process.env.CHROME_BIN });
const page = await browser.newPage({ viewport: { width: Number(width), height: 800 } });
await page.goto(url);
const { violations } = await new AxeBuilder({ page })
.withTags(['wcag2a', 'wcag2aa', 'wcag21a', 'wcag21aa', 'wcag22aa']).analyze();
for (const v of violations) console.log(`${v.impact}\t${v.id}\t${v.nodes.length}\t${v.nodes[0].target.join(' ')}`);
console.log(`violations=${violations.length}`);
await browser.close();
})();
EOF
node axe.cjs http://localhost:5173/settings 360For a page behind login, add page.fill/page.click lines before the scan.
Keyboard walk (playwright-cli)
cd "$QA"; PW="npx -y @playwright/cli@0.1"; $PW --help | head -5
$PW open --browser=chrome http://localhost:5173/settings
$PW press Tab; $PW --raw eval "(() => { const a = document.activeElement; return a.tagName + '|' + (a.getAttribute('aria-label') || a.textContent.trim().slice(0, 40)) + '|outline=' + getComputedStyle(a).outlineStyle })()"Repeat Tab through every changed control; order must follow visual order, with no outline=none and no box-shadow silently replacing it. Open the dialog, press Escape, eval activeElement = the trigger.
Verdict and recording
- A critical or serious violation whose target is inside a changed screen → fail the task (qa-criterion-verdicts rubric).
- A violation outside the changed screen → a pre-existing-defect note (in_qa), not a fail.
- Moderate/minor → a note, not a fail.
- Record as a test case with
category: visualand a title prefixa11y:— the category enum has no accessibility value of its own.
Red Flags
- Quoting the Lighthouse score instead of the failing audits by name.
- Scanning a page you did not change and failing the task for what it finds there.
- "Keyboard OK" written with no Tab walk actually run.
© makifbaysal, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in catalog/agents/qa-agent/skills/accessibility-check of makifbaysal/tasktrooper.
Open the folder on GitHubat commit c4496d5
Compare with similar skills
Accessibility Check 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.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Accessibility Check this skillmakifbaysal/tasktrooper | 112 | — | ~1.1k | Automated safety check: Pass | Apache-2.0 | |
| Web Quality Auditaddyosmani/web-quality-skills | 2.9k | — | ~2.6k | Automated safety check: Pass | MIT | |
| Web Quality Auditmidudev/100cosas.dev | 114 | 3 repos | ~1.7k | Automated safety check: Pass | MIT | |
| Ibm A11y Route Scanlangflow-ai/langflow | 155k | — | ~1.6k | Automated safety check: Pass | MIT | |
| Ibm A11y Testing Guidelangflow-ai/langflow | 155k | — | ~4.6k | Automated safety check: Pass | MIT | |
| Control UIcursor/plugins | 11k | 2 repos | ~1.2k | Automated safety check: Pass | None |
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midudev/100cosas.dev
Comprehensive web quality audit covering performance, accessibility, SEO, and best practices.
Ibm A11y Route Scan
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Batch-scan Langflow frontend routes for accessibility issues using the Python IBM Equal Access scanner (scripts/a11y/a11yscan.py) and produce JSON/Markdown/HTML reports.
Ibm A11y Testing Guide
langflow-ai/langflow
Reference guide for writing and running Langflow frontend accessibility tests with axe (Jest) and IBM Equal Access (Playwright page.runA11yScan).
- Official
Control UI
cursor/plugins
Build or adapt a local browser/CDP harness to drive and inspect a web, IDE, or Electron UI.
- Official
Scout UI Testing
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Works with
Categories
Questions about Accessibility Check
What does Accessibility Check do?
A skill your agent uses when a task changes any screen, form, dialog, menu or control - Lighthouse/axe scan of the changed screens, a keyboard walk, and the thresholds that fail a task. Accessibility Check is an agent skill from makifbaysal/tasktrooper.
When should I use Accessibility Check?
Accessibility Check fits situations like: A task changes any screen; control - Lighthouse/axe scan of the changed screens; A keyboard walk; the thresholds that fail a task.
How do I install Accessibility Check in Claude Code?
Run `npx skills add makifbaysal/tasktrooper --skill accessibility-check -a claude-code`. Or copy the skill folder (catalog/agents/qa-agent/skills/accessibility-check in makifbaysal/tasktrooper) into .claude/skills/accessibility-check in your project. Claude Code loads it when a task matches its description.
How do I install Accessibility Check in Codex?
Run `npx skills add makifbaysal/tasktrooper --skill accessibility-check -a codex`. Or copy the skill folder (catalog/agents/qa-agent/skills/accessibility-check in makifbaysal/tasktrooper) into .agents/skills/accessibility-check in your project. Codex loads it when a task matches its description.
Can I use Accessibility Check 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 makifbaysal/tasktrooper --skill accessibility-check -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/accessibility-check, .gemini/skills/accessibility-check, .github/skills/accessibility-check and .opencode/skills/accessibility-check in your project.
What does Accessibility Check need to run?
Going by SKILL.md and its folder, Accessibility Check needs the command-line tools its instructions call (node, npx, jq and npm). Our summary lists: Node.js.
Does Accessibility Check access the network?
SKILL.md contains no URLs. Its commands use npx and npm, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Accessibility Check 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 Accessibility Check use?
Accessibility Check is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Accessibility Check use?
About 1.1k tokens (SKILL.md is roughly 4.3k 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 Accessibility Check?
Skills that share tags, products or a category with Accessibility Check: Web Quality Audit (addyosmani/web-quality-skills, 2.9k stars), Web Quality Audit (midudev/100cosas.dev, 114 stars), Ibm A11y Route Scan (langflow-ai/langflow, 155k stars) and Ibm A11y Testing Guide (langflow-ai/langflow, 155k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Accessibility Check?
makifbaysal (a GitHub user) maintains it in makifbaysal/tasktrooper, which has 112 GitHub stars. The repository holds 12 skills in this directory. The repository was last updated on October 10, 2026.
Source: makifbaysal/tasktrooper on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.