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MCP server · Developer Tools

Cursor A11y MCP

by · github.com/westsideori/cursor-a11y-mcp

MCP server: Cursor A11y MCP

Unclaimed MIT last commit a year ago devtools
InstallView source
45Fair

Scored 5 months ago · breakdown

About Cursor A11y MCP

Cursor A11y MCP is an MCP server published by westsideori in the Developer Tools category: mCP server: Cursor A11y MCP.

The repository has 2 stars and 1 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/westsideori/cursor-a11y-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository 7 days ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • ✓License declaredUsable under a stated license.
  • !Tests presentNo tests found. Behaviour changes may go unnoticed between versions.
  • ✓Dependencies pinnedA lockfile pins dependency versions.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

README

Cursor A11y MCP

A Model Context Protocol (MCP) server that provides accessibility testing capabilities AI agents. This tool helps identify accessibility issues in web applications using axe-core and Puppeteer.

Features

  • Run accessibility tests on any URL or local development server
  • Powered by axe-core for comprehensive accessibility testing
  • Provides detailed violation reports including:
    • Impact level
    • Description of the issue
    • Help text and documentation links
    • Affected HTML elements
    • Failure summaries

Project Structure

  • src/ - Source code for the MCP server and accessibility testing tool
  • test-site/ - A React application with intentional accessibility issues for testing
  • build/ - Compiled version of the source code

Installation

npm install

Then install the test site dependencies:

cd test-site
npm install
cd ..

Usage

Starting the MCP Server

npm run build
npm start

Running the Test Site

npm run start:test-site

The test site will be available at http://localhost:5000.

Running Accessibility Tests

The tool accepts two types of inputs:

  1. A full URL to test
  2. A relative path that will be appended to http://localhost:5000

Dependencies

  • @modelcontextprotocol/sdk: ^1.4.1
  • puppeteer: ^24.1.1
  • zod: ^3.24.1

Test Site Dependencies

  • react: ^18.2.0
  • react-dom: ^18.2.0
  • react-scripts: 5.0.1

Development

  1. Make changes to the source code in the src/ directory
  2. Run npm run build to compile the changes
  3. Start the server with npm start

Configuring in Cursor

To add this accessibility testing tool to Cursor's MCP Server settings:

  1. Open Cursor's Settings (⌘ + ,)
  2. Navigate to "Features" > "MCP Servers"
  3. Add a new MCP Server with the following configuration:
    • Name: a11y
    • Select command from the dropdown
    • Command: node path/to/cursor-a11y-mcp/index/file/in/build/folder (Replace path/to/cursor-a11y-mcp/index/file/in/build/folder with the absolute path to your index.js file in the build folder.)
  4. Click Add
  5. The accessibility testing tool will now be available in Cursor's Composer

Usage in Composer

To use the accessibility testing tool in Cursor's Composer:

  1. Run in your terminal:
npm run start:test-site

This will start the test site at http://localhost:5000

  1. In Cursor's Composer, type use a11y tool
  2. Composer will prompt you to run the tool
  3. After running the tool, you will see the accessibility violations in the response, and code actions to fix the violations
  4. The Composer may prompt you to use the tool again to confirm that the violations are fixed

License

This project is licensed under the MIT License - see the LICENSE file for details.

Version

Current version: 2.0.1

README fetched from the repository 7 days ago. The original is authoritative.

Questions

About Cursor A11y MCP

How do I install Cursor A11y MCP?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is Cursor A11y MCP safe to use with an AI agent?

Its trust score is 45 out of 100 (fair). It passes 4 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is Cursor A11y MCP still maintained?

The last commit was a year ago. That's long enough that you should check whether the maintainer is responding to issues before depending on it.