Accessibility

by addyosmani

Accessibility is a Frontend skill for Claude Code, published by addyosmani in web-quality-skills.

2.6K stars239 forkson addyosmani/web-quality-skillsAdded 2026/08/18+1% in starsRepository updated 2026/06/14

View source on GitHub Download repo ZIP

accessibilityagent-skillsclaude-skillscore-web-vitalslighthouseskillstestingweb-performance

Install in seconds

Install Accessibility

Copy Accessibility into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/addyosmani/web-quality-skills/tree/main/skills/accessibility ~/.claude/skills/accessibility

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/addyosmani/web-quality-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/accessibility/SKILL.md in addyosmani/web-quality-skills
Installs to: ~/.claude/skills/accessibility
Collection: One of 6 skills cataloged from this repository
Category: Frontend — 567 skills

What Accessibility does

Accessibility audits and improves web accessibility following WCAG 2.2 guidelines. Use when asked to improve accessibility, perform an a11y audit, ensure WCAG compliance, check screen reader support, keyboard navigation, or make a site accessible.

Accessibility is cataloged under Frontend on DirSkills. Accessibility comes from a repository tagged accessibility, agent-skills, claude-skills, core-web-vitals and lighthouse.

Documentation

README

Excerpt

Comprehensive accessibility guidelines based on WCAG 2.2 and Lighthouse accessibility audits. Goal: make content usable by everyone, including people with disabilities.

WCAG Principles: POUR

Principle	Description
Perceivable	Content can be perceived through different senses
Operable	Interface can be operated by all users
Understandable	Content and interface are understandable
Robust	Content works with assistive technologies

Conformance levels

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Accessibility

What else does addyosmani publish alongside Accessibility?
Accessibility is one of 6 skills that DirSkills catalogs from addyosmani/web-quality-skills, the repository it ships in. Its siblings there include Core Web Vitals, SEO and Web Best Practices. Each one is a separate skill with its own page in this directory, installs the same way Accessibility does, and is maintained by addyosmani in that same repository. The rest of the collection is listed on the addyosmani/web-quality-skills page.
How does Accessibility compare to other Frontend skills?
Accessibility ranks #190 by stars among the 567 Frontend skills in this catalog. The most-starred ones next to it are Angular Developer, Android Clean Architecture and Accessibility. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Accessibility against them. Open each page to compare what they document and how they install.