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Accessibility

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 2,990 GitHub stars across a repository of 3 listed skills.

github.com/addyosmani/web-quality-skills/skills/accessibility (opens in a new tab)

Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error

View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

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

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

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

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

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

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

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

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.

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"

More skills in addyosmani/web-quality-skills

3 skills are listed from this repository.

Similar skills

More design & frontend skills

All Design & frontend

FAQ

Accessibility FAQ

Still curious? Email info@appsgit.com.

How do I install the Accessibility skill?

In Claude Code, run /plugin marketplace add addyosmani/web-quality-skills and then /plugin install web-quality-skills@addy-web-quality-skills. For Codex or Cursor, copy the accessibility folder into .agents/skills/ or .cursor/skills/.

Is the Accessibility skill free?

Yes. The repository is open source under the MIT license.

Is Accessibility maintained?

The repository's most recent commit was on Aug 24, 2026. appsgit only lists skills from repositories with a commit in the last six months.