a11y-ally

Audit web accessibility with axe-core, pa11y, and Lighthouse.

Updated Jun 15, 2026
One-click install
npx skills add https://github.com/CENKSSS/valocase-backend --skill a11y-ally-cenksss
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: a11y-ally
Source: https://github.com/CENKSSS/valocase-backend/tree/main/.claude/skills/a11y-ally
Command: npx skills add https://github.com/CENKSSS/valocase-backend --skill a11y-ally-cenksss

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires playwright, playwright-extra, puppeteer-extra-plugin-stealth, @axe-core/playwright, pa11y, lighthouse, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill automates comprehensive WCAG accessibility audits using multiple tools and provides context-aware remediation, making it easy to improve accessibility for users with disabilities.

Core Features & Use Cases

  • Multi-tool Accessibility Audit: Integrates axe-core, pa11y, and Lighthouse for comprehensive accessibility scanning.
  • Context-aware Remediation: Uses Claude's intelligence to analyze and suggest specific remediation for each issue.
  • Use Case: Run an accessibility audit on a website and automatically generate context-specific fixes for each violation.

Quick Start

Run an accessibility audit on the website 'https://example.com' and apply the suggested fixes.

Frequently Asked Questions about a11y-ally

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I run an automated WCAG accessibility audit on a website?

You can run an automated WCAG accessibility audit by executing a scan with axe-core, pa11y, and Lighthouse. This Skill automates the entire process, including parallel audits and site crawling, to identify compliance violations across your web pages.

How do I automate context-aware remediation for accessibility violations?

Automating context-aware remediation involves scanning your site with axe-core and pa11y, then applying intelligent analysis to generate specific fixes for each violation. This Skill automatically suggests targeted code corrections based on the detected accessibility issues.

Do I need Playwright and Lighthouse installed to run accessibility audits?

Yes, you need Playwright, axe-core, pa11y, and Lighthouse installed as dependencies to execute the audits. The Skill relies on these libraries to perform automated browser testing, crawl sites, and validate WCAG compliance effectively.

Can I audit video accessibility on my website using axe-core and pa11y?

Yes, you can audit video accessibility alongside standard WCAG checks. The Skill specifically handles video accessibility compliance by scanning your pages with axe-core and pa11y to detect missing captions, transcripts, and other media-related violations.

What is the best way to crawl an entire website for WCAG compliance issues?

The best way to crawl an entire website for WCAG compliance is using an automated tool that combines site crawling with parallel auditing. This Skill integrates Lighthouse and axe-core to scan multiple pages simultaneously, identifying accessibility violations across the whole domain.

Why use multiple tools like axe-core, pa11y, and Lighthouse together for an accessibility audit?

Using axe-core, pa11y, and Lighthouse together provides a comprehensive accessibility audit that catches more WCAG violations than relying on a single tool. This multi-tool approach ensures deeper scanning coverage and more accurate remediation suggestions.