Ss A11y
Audit a component or page for accessibility issues and fix them
- Type
- Skill
- Repository
- bitjaru/styleseed
- GitHub stars
- 966
- License
- MIT
- Repo last updated
- Sep 26, 2026
- Source file
- skills/ss-a11y/SKILL.md
What Ss A11y is
Ss A11y is a skill published in the bitjaru/styleseed repository on GitHub, which has about 966 stars. The repository describes itself as: “Open-source design-method engine for Claude Code, Codex & Cursor. 23 agent skills for fixed design judgment, multiple grammars, semantic palettes, reference compilation, and evidence-verified UI. MIT.”
A skill is a folder with a SKILL.md file: frontmatter with a name and a description, followed by instructions Claude follows. Claude loads a skill automatically when a task matches its description, and you can also run it directly with a slash and its name.
Skills work in Claude Code and in Claude Cowork, which makes Ss A11y a portable way to give Claude the same method everywhere.
How to install Ss A11y
Claude Code
- Download the ss-a11y folder from the repository.
- Save it as ~/.claude/skills/<skill-name>/SKILL.md for all projects, or .claude/skills/<skill-name>/SKILL.md for one project.
- Claude loads it automatically when a task matches; you can also run it with / and its name.
Claude Cowork
- Zip the skill folder so SKILL.md sits at the top level of the folder.
- Open Customize → Skills, click +, then upload the ZIP.
- Start a task that matches the description, or call it by name with /.
New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.
Inside the source file
An excerpt from skills/ss-a11y/SKILL.md, shared under the repository's MIT license. Read the full file on GitHub.
Registry-first artifact boundary
When .styleseed/project.json and .styleseed/artifacts/index.json exist, resolve the requested artifact ID first, then read only .styleseed/bundles/ .md and .styleseed/manifests/ .json. Never fall back to the global legacy bundle for a registry project. Legacy projects may use .styleseed/effective-rules.md only when no registry exists.
When NOT to use
- For general design system compliance review → use /ss-review
- For Nielsen UX heuristics → use /ss-audit
- For non-StyleSeed code (no data-slot, no semantic tokens) — assumes StyleSeed conventions
- For runtime testing — this is a static code audit, not a screen-reader simulation
Target: $ARGUMENTS
Audit Criteria
WCAG 2.2 AA Compliance
1. Perceivable
- Color contrast: Text must meet 4.5:1 (normal) or 3:1 (large/bold text)
- Check text-muted-foreground (#717182) on bg-background (#FFFFFF) = 4.6:1 (passes)
- Check text-brand on white (verify contrast with your skin's brand color)
- Flag any custom colors that don't meet ratio
- Non-text contrast: UI controls/graphics must meet 3:1
- Text alternatives: All need alt, icons need aria-label when meaningful
- Color independence: Don't convey info by color alone (add icons/text)
2. Operable
- Touch targets: Minimum 44x44px (min-h-11 min-w-11) on touch surfaces
- Flag undersized touch hit areas, not approved pointer-first desktop controls merely for being 36–40px tall
- Pointer-first controls follow the resolved contract; preserve keyboard access and applicable accessibility floors
- Icon buttons need an explicit hit area appropriate to the input mode
- Keyboard navigation: All interactive elements must be keyboard-accessible
- Tab order should be logical
- focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2
- Motion: Animations must respect prefers-reduced-motion
@media (prefers-reduced-motion: reduce) {
*, *::before, *::after {
animation-duration: 0.01ms !important;
transition-duration: 0.01ms !important;
}
}3. Understandable
- Labels: Form inputs must have visible labels or aria-label
- Error messages: Form errors must be programmatically associated (aria-describedby)
- Language: (or appropriate language code for your project)
4. Robust
- Semantic HTML: Use appropriate elements ( , , , )
- ARIA: Use Radix UI components (they handle ARIA automatically)
- Roles: Custom interactive elements need proper role attributes
Design System Token Reference
Output
- Issues found: List with severity (Critical/Major/Minor)
- Auto-fixes: Apply fixes directly where possible
- Manual review needed: Flag items that need human judgment
Before you install
- Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
- Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
- Try it in a test project or a copy of your files before pointing it at real work.
- Pin the version you tested, and review changes before updating.
- Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.
FAQ
What is Ss A11y?
Ss A11y is a skill for Claude Code and Claude Cowork from the bitjaru/styleseed repository on GitHub. Audit a component or page for accessibility issues and fix them
How do I install Ss A11y in Claude Code?
Download the ss-a11y folder from the repository. Save it as ~/.claude/skills/<skill-name>/SKILL.md for all projects, or .claude/skills/<skill-name>/SKILL.md for one project. Claude loads it automatically when a task matches; you can also run it with / and its name.
Can I use Ss A11y in Claude Cowork?
Zip the skill folder so SKILL.md sits at the top level of the folder. Open Customize → Skills, click +, then upload the ZIP. Start a task that matches the description, or call it by name with /.
Is Ss A11y safe to install?
It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.
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