Check A11y is a production-ready Claude Code skill (quality score 70/100) in the accessibility sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/check-a11y/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when users ask to check accessibility, audit WCAG compliance, verify ARIA usage, check color contrast, audit keyboard navigation, or analyze screen reader compatibility. Detects ARIA issues, focus problems, contrast issues, and semantic HTML violations.
The Check A11y skill is built for product managers, product designers, and cross-functional teams planning, shipping, and measuring product features. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.
mkdir -p ~/.claude/skills/check-a11y curl -L https://claudskills.com/skills/check-a11y/SKILL.md \ -o ~/.claude/skills/check-a11y/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/check-a11y/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/check-a11y/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\check-a11y\SKILL.md on Windows. See the full install guide for step-by-step instructions.
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
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