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Accessibility Review

anthropics/knowledge-work-pluginsOfficial

This runs a WCAG 2.1 AA audit on designs or live pages when you say "audit accessibility" or "check a11y". It checks the usual suspects: color contrast ratios, keyboard navigation, touch target sizes, screen reader behavior, and semantic structure. The output is a detailed markdown table broken down by WCAG's four principles, with severity ratings and specific fix recommendations. It's honest about its limits too, noting that automated scans only catch about 30% of real accessibility issues. If you've got design tools or project trackers connected, it can pull color values directly from Figma or create tickets for each finding. Best used as a first pass before you do the real work with VoiceOver or NVDA.

skills.sh installs: 4.3K
GitHub stars: 35.3K
last updated: Aug 21, 2026

Install

$ npx -y skills add anthropics/knowledge-work-plugins --skill accessibility-review --agent claude-code

Installs into .claude/skills of the current project.

Files

/accessibility-review

If you see unfamiliar placeholders or need to check which tools are connected, see CONNECTORS.md.

Audit a design or page for WCAG 2.1 AA accessibility compliance.

Usage

/accessibility-review $ARGUMENTS

Audit for accessibility: @$1

WCAG 2.1 AA Quick Reference

Perceivable

1.1.1 Non-text content has alt text
1.3.1 Info and structure conveyed semantically
1.4.3 Contrast ratio >= 4.5:1 (normal text), >= 3:1 (large text)
1.4.11 Non-text contrast >= 3:1 (UI components, graphics)

Operable

2.1.1 All functionality available via keyboard
2.4.3 Logical focus order
2.4.7 Visible focus indicator
2.5.5 Touch target >= 44x44 CSS pixels

Understandable

3.2.1 Predictable on focus (no unexpected changes)
3.3.1 Error identification (describe the error)
3.3.2 Labels or instructions for inputs

Robust

4.1.2 Name, role, value for all UI components

Common Issues

SKILL.md on GitHub

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Details

Repository: github.com/anthropics/knowledge-work-plugins
Categories: Git & Pull Requests, Code Review & Quality, Design & UI/UX, CLI & Terminal
First seen: Apr 16, 2026

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