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Agent skill

Design QA

by plugin87 in plugin87/ux-ui-agent-skills

Set up or run design QA gates — token + hardcoded-value lint, automated a11y (axe), contrast, visual regression across variants/states/themes/RTL, and the manual a11y checklist.

MITAuto-check passedFrontend & Design

Install Design QA

skills CLI
$ npx skills add plugin87/ux-ui-agent-skills --skill design-qa -a claude-code

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

GitHub CLI
$ gh skill install plugin87/ux-ui-agent-skills design-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/plugin87/ux-ui-agent-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/design-qa .claude/skills/design-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
design-qa
GitHub stars
1.5k
Token cost
~635 tokens
SKILL.md length
263 words
Files
1
Skills in repo
23
Repo updated
First seen
Licence
MIT

At a glance

Set up or run design QA gates — token + hardcoded-value lint, automated a11y (axe), contrast, visual regression across variants/states/themes/RTL, and the manual a11y checklist.

  • Works in 5 steps: Read… → Wire the fast gates first (every… → Add automated a11y (axe-core / Pa11y)… → …
  • The user wants CI quality gates
  • SKILL.md covers Steps and Verification (definition of…
  • Calls python3, npx and node

What it does

Design QA is an agent skill from plugin87/ux-ui-agent-skills. Set up or run design QA gates — token + hardcoded-value lint, automated a11y (axe), contrast, visual regression across variants/states/themes/RTL, and the manual a11y checklist. Use when the user wants CI quality gates, to prevent design regressions, or to QA a component/screen before shipping.

Its SKILL.md is about 640 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 Visual regression testing. It works with Python. The repository describes itself as: Turn Claude into a senior design architect: DTCG tokens, 52 components, WCAG 2.2 AA-AAA, 138 design systems, any-framework code, and 50 objective gates that fail the build… The licence is MIT.

When your agent uses it

  • The user wants CI quality gates
  • Prevent design regressions
  • QA a component/screen before shipping

Example prompts

  • “/design-qa”

Requirements

  • Python 3
  • Node.js

Workflow steps

5 steps, taken from the first numbered list in SKILL.md.

  1. Read ${CLAUDE_SKILL_DIR}/../../../workflows/design-qa.md (the QA pyramid: token/lint gates → automated a11y → visual regression → manual…
  2. Wire the fast gates first (every commit/PR): python3 ${CLAUDE_SKILL_DIR}/../../../scripts/validate_tokens.py, python3…
  3. Add automated a11y (axe-core / Pa11y) over each component's states (error/loading/disabled/expanded/selected), zero serious/critical to…
  4. Add visual regression snapshots across variants × sizes × states × light/dark + key breakpoints + RTL; freeze animations + deterministic…
  5. Sign off the manual a11y checklist per release (keyboard, screen reader, 400% reflow, 200% text-spacing, reduced-motion, forced-colors…

What it can do on your machine

Read from SKILL.md and the folder at commit 14f8d44. 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:

    • python3
    • npx
    • node

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

  • Network

    No URLs in SKILL.md. Its commands use npx, 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

Design QA loads about 635 tokens when it runs. Until then it costs about 76 tokens; SKILL.md has 263 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~76
When it runs · the whole SKILL.md, loaded when a task matches
~635

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 plugin87/ux-ui-agent-skills at commit 14f8d44, republished under its MIT licence (© plugin87). 263 words, ~635 tokens.

Download SKILL.mdSave it as .claude/skills/design-qa/SKILL.md (or your agent's skills folder).
name
design-qa
description
Set up or run design QA gates — token + hardcoded-value lint, automated a11y (axe), contrast, visual regression across variants/states/themes/RTL, and the manual a11y checklist. Use when the user wants CI quality gates, to prevent design regressions, or to QA a component/screen before shipping.

Skill: Design QA

Step 0 — is the kit here? This skill reads files from the kit. Check once: ls ${CLAUDE_SKILL_DIR}/../../../tokens >/dev/null 2>&1 && echo KIT_OK || echo KIT_MISSING On KIT_MISSING only the skill folders were installed, which is what npx skills add does. Say so plainly, point the user at npx ux-ui-agent-skills init or the plugin install, and stop. Do not guess the contents of a file you could not open.

Stand up the automated + manual gates that stop quality from regressing.

Steps

  1. Read ${CLAUDE_SKILL_DIR}/../../../workflows/design-qa.md (the QA pyramid: token/lint gates → automated a11y → visual regression → manual a11y).
  2. Wire the fast gates first (every commit/PR): python3 ${CLAUDE_SKILL_DIR}/../../../scripts/validate_tokens.py, python3 ${CLAUDE_SKILL_DIR}/../../../scripts/validate_contrast.py (batch WCAG over the token pairs), and python3 ${CLAUDE_SKILL_DIR}/../../../scripts/lint_hardcodes.py <src> (no raw hex/px/timing in component code). The repo's .github/workflows/ci.yml runs these.
  3. Add automated a11y (axe-core / Pa11y) over each component's states (error/loading/disabled/expanded/selected), zero serious/critical to merge. Run the real-render contrast gate node ${CLAUDE_SKILL_DIR}/../../../scripts/measure_render.mjs <file.html> (and --dark) — it opens the page in headless Chromium, disables transitions, and measures the true computed-style + alpha-composited contrast of every text element (catches what static token checks miss).
  4. Add visual regression snapshots across variants × sizes × states × light/dark + key breakpoints + RTL; freeze animations + deterministic data.
  5. Sign off the manual a11y checklist per release (keyboard, screen reader, 400% reflow, 200% text-spacing, reduced-motion, forced-colors — ${CLAUDE_SKILL_DIR}/../../../accessibility/*).

Verification (definition of done)

  • An unreviewed PR cannot introduce an unresolved token alias, a contrast failure, a raw hex/px, or an axe violation — a gate blocks each.
  • Snapshots cover dark mode + RTL + the semantic-changing states, not just the happy path.
  • Manual a11y checklist signed off for the release.

© plugin87, MIT. 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 .claude/skills/design-qa of plugin87/ux-ui-agent-skills.

Open the folder on GitHubat commit 14f8d44

Compare with similar skills

Design 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.

Design QA compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Design QA this skillplugin87/ux-ui-agent-skills1.5k—~635Automated safety check: PassMIT
Vrtmarigold-ui/marigold146—~787Automated safety check: PassMIT
Control UIcursor/plugins10k2 repos~1.2kAutomated safety check: PassNone
Browser QAaffaan-m/ECC274k2 repos~1kAutomated safety check: PassMIT
Visual QAdylanfeltus/skills179—~2.4kAutomated safety check: PassMIT
UI UX Auditchmonitor/chmonitor298—~2kAutomated safety check: NotesGPL-3.0

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Works with

Categories

Questions about Design QA

What does Design QA do?

Set up or run design QA gates — token + hardcoded-value lint, automated a11y (axe), contrast, visual regression across variants/states/themes/RTL, and the manual a11y checklist. Design QA is an agent skill from plugin87/ux-ui-agent-skills. Set up or run design QA gates — token + hardcoded-value lint, automated a11y (axe), contrast, visual regression across variants/states/themes/RTL, and the manual a11y checklist.

When should I use Design QA?

Design QA fits situations like: the user wants CI quality gates; prevent design regressions; QA a component/screen before shipping.

How do I install Design QA in Claude Code?

Run `npx skills add plugin87/ux-ui-agent-skills --skill design-qa -a claude-code`. Or copy the skill folder (.claude/skills/design-qa in plugin87/ux-ui-agent-skills) into .claude/skills/design-qa in your project. Claude Code loads it when a task matches its description.

How do I install Design QA in Codex?

Run `npx skills add plugin87/ux-ui-agent-skills --skill design-qa -a codex`. Or copy the skill folder (.claude/skills/design-qa in plugin87/ux-ui-agent-skills) into .agents/skills/design-qa in your project. Codex loads it when a task matches its description.

Can I use Design 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 plugin87/ux-ui-agent-skills --skill design-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/design-qa, .gemini/skills/design-qa, .github/skills/design-qa and .opencode/skills/design-qa in your project.

What does Design QA need to run?

Going by SKILL.md and its folder, Design QA needs the command-line tools its instructions call (python3, npx and node). Our summary lists: Python 3; Node.js.

Does Design QA access the network?

SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Design 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 Design QA use?

Design QA is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Design QA use?

About 635 tokens (SKILL.md is roughly 2.5k 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 Design QA?

Skills that share tags, products or a category with Design QA: Vrt (marigold-ui/marigold, 146 stars), Control UI (cursor/plugins, 10k stars), Browser QA (affaan-m/ECC, 274k stars) and Visual QA (dylanfeltus/skills, 179 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Design QA?

plugin87 (a GitHub user) maintains it in plugin87/ux-ui-agent-skills, which has 1,543 GitHub stars. The repository holds 23 skills in this directory. The repository was last updated on October 7, 2026.

Source: plugin87/ux-ui-agent-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.