# Accessibility (agent skill)

> Accessibility is an agent skill (a SKILL.md file) from addyosmani/web-quality-skills. Audit and improve web accessibility following WCAG 2.2 guidelines. It works with Claude Code, Codex, Cursor, Gemini CLI and OpenCode and has 2,898 GitHub stars across a repository of 3 listed skills.

Audit and improve web accessibility following WCAG 2.2 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible". Comprehensive accessibility guidelines based on WCAG 2.2 and Lighthouse accessibility audits. Goal: make content usable by everyone, including people with disabilities.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/addyosmani/web-quality-skills |
| Skill path | skills/accessibility/SKILL.md |
| Skill name | accessibility |
| GitHub stars | 2,898 |
| Installs on skills.sh | 59,025 |
| License | MIT |
| Skills in repo | 3 |
| Plugin marketplace | addy-web-quality-skills |
| Official | no |
| Works with | Claude Code, Codex, Cursor, Gemini CLI, OpenCode |
| Category | Design & frontend |
| Last commit | Aug 24, 2026 |

## When it triggers

- Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible".
- "improve accessibility"
- "a11y audit"
- "WCAG compliance"
- "screen reader support"
- "keyboard navigation"
- "make accessible"

## Add this skill

### Claude Code

```sh
/plugin marketplace add addyosmani/web-quality-skills
/plugin install web-quality-skills@addy-web-quality-skills
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/addyosmani/web-quality-skills.git
cp -r web-quality-skills/skills/accessibility .agents/skills/accessibility   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/addyosmani/web-quality-skills.git
cp -r web-quality-skills/skills/accessibility .cursor/skills/accessibility   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

skills.sh listing: https://www.skills.sh/addyosmani/web-quality-skills/accessibility

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Canonical page: https://appsgit.com/skills/addyosmani-accessibility
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