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a11y-audit

Audit a UI or design against WCAG 2.2 AA/AAA and ARIA patterns, returning criterion-referenced findings with severity and specific fixes. Use when the user wants an accessibility check, contrast verification, keyboard/screen-reader review, or wants to confirm a component meets POUR.

View source Repository: ux-ui-agent-skills

Install in Claude Code

Copy

git clone --depth 1 https://github.com/plugin87/ux-ui-agent-skills /tmp/a11y-audit && cp -r /tmp/a11y-audit/.claude/skills/a11y-audit ~/.claude/skills/a11y-audit

Then start a new Claude Code session; the skill loads automatically.

Definition

SKILL.md

# Skill: Accessibility Audit

Evaluate against WCAG 2.2 and the project's ARIA patterns.

## Steps
1. Read `accessibility/wcag-checklist.md` (POUR-organized, P0/P1/P2) and `accessibility/aria-patterns.md`.
2. Check the mandatory P0 set per component: keyboard navigable, focus visible (≥3:1), screen-reader name/role/state, contrast (4.5:1 text / 3:1 UI), target size ≥24×24, no color-only signaling.
3. Verify WCAG 2.2 additions: Focus Not Obscured (2.4.11), Target Size (2.5.8), Accessible Authentication (3.3.8).
4. **Contrast — measure, don't eyeball.** For rendered HTML, RUN the real-render gates and report their actual output (CLAUDE.md → Verification Protocol): `node scripts/measure_render.mjs <file> [--dark]` (every text element) AND `node scripts/verify_states.mjs <file> [--dark]` (every interactive element in default/hover/focus — catches hover-state failures). For loose color pairs, `python3 scripts/contrast.py "<fg>" "<bg>"`. Never state a ratio you did not measure.
5. Check reduced-motion handling (`taste/motion-choreography.md`).

## Output
A findings table: WCAG criterion (e.g. 1.4.3) · severity (P0/P1/P2) · what fails · specific fix. Confirm passes explicitly. Accessibility may never be traded for aesthetics.

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