Wcag Audit Patterns Agent Skill

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.

627 tokens

context cost

SKILL.md, read when the skill is used

files

plus reference files

copies elsewhere

how many repositories repackaged it

38 452

stars on the repo

on the repository, not the skill itself

Install

one command, takes just this skill from the repository

npx skills add https://github.com/wshobson/agents --skill wcag-audit-patterns

The instruction itself

10 sections, as written by the author

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

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How to use it

Copy the folder

Take wshobson/wcag-audit-patterns from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

The agent identifies a skill by the name field in its header. Two skills with the same name cannot sit side by side — one of them will be ignored.