Accessibility Checker Skill

Purpose

This skill provides comprehensive accessibility validation against WCAG 2.1 Level AA standards, combining automated testing with manual verification procedures.

When to Use

• Accessibility audits for new features
• WCAG 2.1 Level AA compliance checks
• Pre-release accessibility validation
• Accessibility regression testing
• Legal compliance verification (ADA, Section 508)

WCAG 2.1 Level AA Validation Workflow

1. Automated Accessibility Scanning

Using Axe-core with Playwright: