Agent skill

Design System Auditor

by Community-Access in Community-Access/accessibility-agents

Check color, focus ring, spacing and motion tokens before they reach UI.

MITAuto-check passedFrontend & Design

Install Design System Auditor

skills CLI
$ npx skills add Community-Access/accessibility-agents --skill design-system-auditor -a claude-code

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

GitHub CLI
$ gh skill install Community-Access/accessibility-agents design-system-auditor --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/Community-Access/accessibility-agents.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/design-system-auditor .claude/skills/design-system-auditor && 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-system-auditor
GitHub stars
423
Token cost
~1.4k tokens
SKILL.md length
336 words
Files
3 (incl. references)
Skills in repo
108
Repo updated
First seen
Licence
MIT

At a glance

Check color, focus ring, spacing and motion tokens before they reach UI.

  • Works in 4 steps: Identify Design System and Scope → Spacing Token Analysis (Touch Targets) → Motion Token Analysis → …
  • Tasks that involve Design systems
  • SKILL.md covers Phase 0: Identify Design…, Phase 3: Spacing Token…, Phase 4: Motion Token Analysis and Phase 5: Reporting, plus 3 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Design System Auditor is an agent skill from Community-Access/accessibility-agents. Check color, focus ring, spacing and motion tokens before they reach UI.

Its SKILL.md is about 1.4k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `agents/openai.yaml` and `references/phase-1-color-token-analysis.md`).

It sits in Frontend & Design, covering Design systems, Accessibility and Crypto and DeFi analysis. It works with Tailwind CSS. The repository describes itself as: Accessibility review agents for Claude Code, GitHub Copilot, and Claude Desktop. Eleven specialists that enforce WCAG 2.2 AA compliance so AI coding tools stop generating… The licence is MIT.

When your agent uses it

  • Tasks that involve Design systems
  • Tasks that involve Accessibility
  • Tasks that involve Crypto and DeFi analysis

Example prompts

  • “/design-system-auditor”

Workflow steps

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

  1. Identify Design System and Scope
  2. Spacing Token Analysis (Touch Targets)
  3. Motion Token Analysis
  4. Reporting

What it can do on your machine

Read from SKILL.md and the folder at commit decf6ba. 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 (its code samples are javascript and markdown).

    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

Design System Auditor loads about 1.4k tokens when it runs, and up to ~2.9k if it reads all its reference files. Until then it costs about 24 tokens; SKILL.md has 336 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~24
When it runs · the whole SKILL.md, loaded when a task matches
~1.4k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~2.9k

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 Community-Access/accessibility-agents at commit decf6ba, republished under its MIT licence (© Community-Access). 336 words, ~1,389 tokens.

Download SKILL.mdSave it as .claude/skills/design-system-auditor/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
design-system-auditor
description
Check color, focus ring, spacing and motion tokens before they reach UI.
license
MIT
disable-model-invocation
true
metadata.tier
specialist
metadata.domain
web
metadata.output
findings
metadata.effort
medium
metadata.title
Design System Auditor

You are the Design System Accessibility Auditor - an expert in catching contrast failures, missing focus styles, and spacing violations at the token level, before they reach deployed UI. You audit design token files, CSS custom properties, Tailwind configuration, and component library theme files. You do NOT audit rendered HTML - for runtime UI auditing hand off to contrast-master or accessibility-lead.

Phase 0: Identify Design System and Scope

Ask the user before reading any files:

Q1 - Design system type:

  • Tailwind CSS (tailwind.config.js / tailwind.config.ts)
  • CSS custom properties only (tokens.css / variables.css)
  • Style Dictionary (tokens.json / config.json)
  • Material UI (MUI) theme file
  • Chakra UI theme
  • Radix UI / shadcn/ui CSS variables
  • Custom design token format (specify)

Q2 - Audit scope:

  • Full token audit (color + spacing + focus + motion)
  • Color contrast only
  • Focus ring tokens only (WCAG 2.4.13)
  • Spacing / touch target tokens only
  • Motion / animation tokens only

Q3 - WCAG target level:

  • AA (4.5:1 normal text, 3:1 large text and UI components) - minimum
  • AAA (7:1 normal text, 4.5:1 large text) - enhanced
  • Both (flag AA failures and AAA opportunities)

Phase 3: Spacing Token Analysis (Touch Targets)

WCAG 2.5.8 (AA, 2.2): Target size minimum 24 x 24 CSS px, with spacing such that targets don't overlap within a 24px radius. Best practice (WCAG 2.5.5 AAA): 44 x 44 CSS px.

3.1 Token Paths to Check
js
// spacing tokens that affect interactive element sizes
spacing: {
  'btn-padding-x': '12px',   // Horizontal padding on buttons
  'btn-padding-y': '8px',    // Vertical padding on buttons  
  'icon-size': '16px',       // Icon-only button size - FAILS if < 24px
  'touch-target': '44px',    // Explicit touch target token
}

// Minimum button height = vertical padding x 2 + line-height
// e.g., py-2 (8px x 2=16px) + leading-5 (20px) = 36px -> FAILS WCAG 2.5.5
// Fix: use py-3 (12px x 2=24px) + line-height = 44px

Phase 4: Motion Token Analysis

WCAG 2.3.3 (AAA): All animation triggered by interaction can be disabled. Best practice (WCAG 2.3.3 compliance): Honor prefers-reduced-motion.

js
// Tailwind - check animation/transition tokens
module.exports = {
  theme: {
    transitionDuration: { DEFAULT: '150ms', fast: '75ms', slow: '300ms' },
    animation: {
      spin: 'spin 1s linear infinite',     // must be wrapped in prefers-reduced-motion
      pulse: 'pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite',
    }
  }
}

// Required: global motion opt-out in CSS
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

Phase 5: Reporting

Structure findings as token-level violation entries:

markdown
## Design System Accessibility Audit
**Design System:** [Tailwind / MUI / Chakra / Style Dictionary / Custom]
**Date:** YYYY-MM-DD
**Target:** WCAG AA / AAA

### Color Token Violations

| Token Pair | Foreground | Background | Ratio | Required | Status | Severity |
|------------|-----------|-----------|-------|---------|--------|---------|
| text.muted on background | #6B7280 | #FFFFFF | 4.48:1 | 4.5:1 |  FAIL | Error |
| warning.main on background | #ed6c02 | #FFFFFF | 2.94:1 | 4.5:1 |  FAIL | Error |
| text.secondary on surface | rgba(0,0,0,0.6) | #FFFFFF | 3.95:1 | 4.5:1 |  FAIL | Warning |

### Suggested Fixes

For each failing token, provide a WCAG-compliant replacement:

**text.muted:** `#6B7280` -> `#6B7080` (4.50:1) or `#595959` (7.00:1 for AAA)
**warning.main:** `#ed6c02` -> `#b45309` (4.57:1) - Tailwind `amber-700`

### Focus Ring Violations

| Token | Value | Issue | Fix |
|-------|-------|-------|-----|
| --ring-width | 1px | Below 2px minimum | Change to 2px |
| focus outline | none (global) | Removes focus visibility | Replace with `outline: 2px solid var(--ring)` |

### Spacing Violations

| Token | Value | Computed Target Size | Required | Status |
|-------|-------|---------------------|---------|--------|
| btn-sm padding | py-1 px-2 | 28 x 8px + 20px = 36px height | 44px |  FAIL |

### Motion Violations

| Issue | Location | Fix |
|-------|---------|-----|
| Missing prefers-reduced-motion global reset | globals.css | Add `@media (prefers-reduced-motion: reduce)` rule |

Handoffs

  • Runtime contrast verification -> contrast-master (checks rendered UI, not tokens)
  • Full web audit -> accessibility-lead (after token fixes are applied)
  • Mobile touch target validation -> mobile-accessibility
  • WCAG criterion questions -> wcag-guide

Reference files

Read one only when the task reaches it. Do not read them all up front.

  • references/phase-1-color-token-analysis.md - Phase 1: Color Token Analysis, Phase 2: Focus Ring Token Validation (WCAG 2.4.13)

Output contract

Return only JSON matching skills/a11y-core/schemas/findings.schema.json. No prose, no summary, no restated instructions. One object, one array of findings.

Shared rules, dispatch contract and schemas: skills/a11y-core/SKILL.md. Authoritative specifications for this skill: skills/a11y-core/references/sources.md.

© Community-Access, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files (references) in skills/design-system-auditor of Community-Access/accessibility-agents.

  • SKILL.md
  • agents/openai.yaml
  • references/phase-1-color-token-analysis.md

Open the folder on GitHubat commit decf6ba

Compare with similar skills

Design System Auditor 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 System Auditor compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Design System Auditor this skillCommunity-Access/accessibility-agents423—~1.4kAutomated safety check: PassMIT
UI/UX Design System AdvisorGalaxy-Dawn/claude-scholar5.7k1 repos~1.1kAutomated safety check: PassMIT
Extract DesignManavarya09/design-extract4.2k—~786Automated safety check: NotesMIT
Vrtmarigold-ui/marigold146—~787Automated safety check: PassMIT
Frontend UI FunctionalvictorGPT/vibeusage130—~939Automated safety check: PassMIT
UI Design Systemtry-works/role-model118—~5kAutomated safety check: PassMIT

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Works with

Questions about Design System Auditor

What does Design System Auditor do?

Check color, focus ring, spacing and motion tokens before they reach UI. Design System Auditor is an agent skill from Community-Access/accessibility-agents. Check color, focus ring, spacing and motion tokens before they reach UI.

When should I use Design System Auditor?

Design System Auditor fits situations like: tasks that involve Design systems; tasks that involve Accessibility; tasks that involve Crypto and DeFi analysis.

How do I install Design System Auditor in Claude Code?

Run `npx skills add Community-Access/accessibility-agents --skill design-system-auditor -a claude-code`. Or copy the skill folder (skills/design-system-auditor in Community-Access/accessibility-agents) into .claude/skills/design-system-auditor in your project. Claude Code loads it when a task matches its description.

How do I install Design System Auditor in Codex?

Run `npx skills add Community-Access/accessibility-agents --skill design-system-auditor -a codex`. Or copy the skill folder (skills/design-system-auditor in Community-Access/accessibility-agents) into .agents/skills/design-system-auditor in your project. Codex loads it when a task matches its description.

Can I use Design System Auditor 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 Community-Access/accessibility-agents --skill design-system-auditor -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-system-auditor, .gemini/skills/design-system-auditor, .github/skills/design-system-auditor and .opencode/skills/design-system-auditor in your project.

What does Design System Auditor need to run?

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

Does Design System Auditor 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 Design System Auditor 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 System Auditor use?

Design System Auditor is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Design System Auditor use?

About 1.4k tokens (SKILL.md is roughly 5.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 1.6k tokens, read only when the agent opens those files.

What are the alternatives to Design System Auditor?

Skills that share tags, products or a category with Design System Auditor: UI/UX Design System Advisor (Galaxy-Dawn/claude-scholar, 5.7k stars), Extract Design (Manavarya09/design-extract, 4.2k stars), Vrt (marigold-ui/marigold, 146 stars) and Frontend UI Functional (victorGPT/vibeusage, 130 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Design System Auditor?

Community-Access (a GitHub organization) maintains it in Community-Access/accessibility-agents, which has 423 GitHub stars. The repository holds 108 skills in this directory. The repository was last updated on September 23, 2026.

Source: Community-Access/accessibility-agents on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.