Catch the accessibility failures that ship in almost every AI-built UI. Use after building any interactive component.
Installation
Installer avec Codex ou Claude Copiez ce prompt, collez-le dans Codex, Claude ou un autre assistant, puis laissez-le vérifier la page du skill et l'installer pour vous.
Contrast - text ≥ 4.5:1 (3:1 for large). Don't encode meaning in color alone.
Semantics - real <button>/<a>, not a clickable <div>. Headings in order.
Focus - visible focus ring. Never outline: none without a replacement.
Output: each failure with the element + the fix. Test it with Tab only, no mouse.