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A11y MCP: web accessibility testing

Web and design teams that want their AI assistant to check pages for accessibility issues.

Use it nowWant it running at your company?
  • Recommendedour rating
  • 92gitHub stars
  • MITlicence
  • 7 months agolast update

Use it now

Open inClaudeChatGPTGeminiPerplexity
claude mcp add a11y-accessibility -- npx -y a11y-mcp-server
Install in CursorInstall in VS CodeOpen the original ↗

Third party software. By copying, downloading or installing it you accept the Academy legal notice: you are responsible for reviewing its code and permissions before use.

README.md

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What it does

An MCP server that gives AI assistants access to accessibility testing. It uses axe-core and Puppeteer to test public URLs and HTML for WCAG 2.0, 2.1 and 2.2 compliance, including color contrast, ARIA validation and orientation lock detection. It is not an official Deque Labs server.

Use cases

  1. 01Test a live page for WCAG issues
  2. 02Check color contrast in a design or HTML snippet
  3. 03Validate ARIA usage before a release

Questions about
A11y MCP: web accessibility testing.

What is A11y MCP: web accessibility testing used for?

Web and design teams that want their AI assistant to check pages for accessibility issues. An MCP server that gives AI assistants access to accessibility testing. It uses axe-core and Puppeteer to test public URLs and HTML for WCAG 2.0, 2.1 and 2.2 compliance, including color contrast, ARIA validation and orientation lock detection. It is not an official Deque Labs server.

How do I install A11y MCP: web accessibility testing?

Run this in your terminal: claude mcp add a11y-accessibility -- npx -y a11y-mcp-server

Is A11y MCP: web accessibility testing open source?

Yes. The code is on GitHub (ronantakizawa/a11ymcp) under the MIT licence.

Is A11y MCP: web accessibility testing safe to use?

It passed our automatic scan for credential theft, hidden instructions and risky install commands. Third party open source software. Sabemos AI does not maintain it. Check the code and permissions before you connect it to company data.

Related resources

Read the guide: Private AI on your company documents ↗

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