WCAG Checker — Accessibility Verification Checklist + Tools

A domain knowledge skill that enhances the a11y-auditor agent's accessibility verification capabilities.

Target Agents

• a11y-auditor — Uses this skill's checklist and formulas to verify per-component accessibility
• component-developer — Checks accessibility requirements proactively during development

WCAG 2.1 AA Mandatory Criteria Checklist

1. Perceivable