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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/wshobson/agents --skill wcag-audit-patterns- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads wcag-audit-patterns automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
Security audits
Independent scans of the skill's instructions and bundled files.
SKILL.md
The instructions your agent reads when the skill is triggered.
WCAG Audit Patterns
Comprehensive guide to auditing web content against WCAG 2.2 guidelines with actionable remediation strategies.
When to Use This Skill
- Conducting accessibility audits
- Fixing WCAG violations
- Implementing accessible components
- Preparing for accessibility lawsuits
- Meeting ADA/Section 508 requirements
- Achieving VPAT compliance
Core Concepts
1. WCAG Conformance Levels
| Level | Description | Required For |
|---|---|---|
| A | Minimum accessibility | Legal baseline |
| AA | Standard conformance | Most regulations |
| AAA | Enhanced accessibility | Specialized needs |
2. POUR Principles
Perceivable: Can users perceive the content?
Operable: Can users operate the interface?
Understandable: Can users understand the content?
Robust: Does it work with assistive tech?
3. Common Violations by Impact
Critical (Blockers):
├── Missing alt text for functional images
├── No keyboard access to interactive elements
├── Missing form labels
└── Auto-playing media without controls
Serious:
├── Insufficient color contrast
├── Missing skip links
├── Inaccessible custom widgets
└── Missing page titles
Moderate:
├── Missing language attribute
├── Unclear link text
├── Missing landmarks
└── Improper heading hierarchy
Detailed patterns and worked examples
Detailed pattern documentation lives in references/details.md. Read that file when the navigation tier above is insufficient.
Best Practices
Do's
- Start early - Accessibility from design phase
- Test with real users - Disabled users provide best feedback
- Automate what you can - 30-50% issues detectable
- Use semantic HTML - Reduces ARIA needs
- Document patterns - Build accessible component library
Don'ts
- Don't rely only on automated testing - Manual testing required
- Don't use ARIA as first solution - Native HTML first
- Don't hide focus outlines - Keyboard users need them
- Don't disable zoom - Users need to resize
- Don't use color alone - Multiple indicators needed
FAQ
What does the wcag-audit-patterns skill do?
Conduct WCAG 2.2 accessibility audits with automated testing, manual verification, and remediation guidance. Use when auditing websites for accessibility, fixing WCAG violations, or implementing accessible design patterns.
How do I install wcag-audit-patterns?
Run npx skills add https://github.com/wshobson/agents --skill wcag-audit-patterns in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/wcag-audit-patterns/ (personal) or .claude/skills/wcag-audit-patterns/ (project).
Which AI agents can use wcag-audit-patterns?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is wcag-audit-patterns safe to install?
Security partners have reviewed it: Gen Agent Trust Hub passed; Socket passed; Snyk passed; Runlayer passed; ZeroLeaks passed. As with any skill, read the SKILL.md and bundled scripts before installing.
Who maintains wcag-audit-patterns?
It is published by wshobson in wshobson/agents. It has 12,595 recorded installs.
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