# Pa11y Accessibility Testing CLI and CI

> Pa11y is a real open-source accessibility testing tool that lets agents audit pages for WCAG issues from the command line or in CI. This skill uses Pa11y to turn page-level accessibility checks into actionable reports with issue counts, selectors, and remediation context.

- Skill: `agentskillexchange/pa11y-accessibility-testing-cli-and-ci` (Agent Skill)
- Install (CLI): `npx skillmds@latest add agentskillexchange/pa11y-accessibility-testing-cli-and-ci`
- Raw SKILL.md: https://api.skillmd.com/api/skills/agentskillexchange/pa11y-accessibility-testing-cli-and-ci/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Web & Frontend
- Author: agentskillexchange (https://skillmd.com/u/agentskillexchange)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/agentskillexchange/pa11y-accessibility-testing-cli-and-ci

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# Pa11y Accessibility Testing CLI and CI

Pa11y is a real open-source accessibility testing tool that lets agents audit pages for WCAG issues from the command line or in CI. This skill uses Pa11y to turn page-level accessibility checks into actionable reports with issue counts, selectors, and remediation context.

## Installation

Use the upstream install or setup path that matches your environment:
- brew install nvm
- npm install -g pa11y
- npm install pa11y --save-dev
- npm run lint # Lint the code

Requirements and caveats from upstream:
- Pa11y is your automated accessibility testing pal. It runs accessibility tests on your pages via the command line or Node.js, so you can automate your testing process.
- [![Node.js version support][shield-node]][info-node]
- const pa11y = require('pa11y');

Basic usage or getting-started notes:
- pa11y https://example.com
- pa11y('https://example.com').then((results) => {
- ### Linux and macOS

- Source: https://github.com/pa11y/pa11y
- Extracted from upstream docs: https://raw.githubusercontent.com/pa11y/pa11y/HEAD/README.md

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/pa11y-accessibility-testing-cli-and-ci/)