An MCP (Model Context Protocol) server for performing accessibility audits on webpages using axe-core. Use the results in an agentic loop with your favorite AI assistants (Amp/Cline/Cursor/GH Copilot) and let them fix a11y issues for you!
{
"mcpServers": {
"a11y": {
"args": [
"a11y-mcp"
],
"command": "npx",
"disabled": false,
"autoApprove": []
}
}
}Are you the author?
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An MCP (Model Context Protocol) server for performing accessibility audits on webpages using axe-core. Use the results in an agentic loop with your favorite AI assistants (Cline/Cursor/GH Copilot) and let them fix a11y issues for you!
Is it safe?
No known CVEs for npx.
No authentication — any process on your machine can connect.
MPL-2.0. View license →
Is it maintained?
Last commit 17 days ago. 39 stars.
Will it work with my client?
Transport: stdio, http. Works with Claude Desktop, Cursor, Claude Code, and most MCP clients.
This server supports HTTP transport. Be the first to test it — help the community know if it works.
No known vulnerabilities.
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An MCP (Model Context Protocol) server for performing accessibility audits on webpages using axe-core. Use the results in an agentic loop with your favorite AI assistants (Cline/Cursor/GH Copilot) and let them fix a11y issues for you!
# Install globally
npm install -g a11y-mcp
# Or use directly with npx
npx a11y-mcp
To use this MCP server with Cline, you need to add it to your MCP settings configuration file.
Add the following to the mcpServers object:
{
"mcpServers": {
"a11y": {
"command": "npx",
"args": ["a11y-mcp"],
"disabled": false,
"autoApprove": []
}
}
}
Performs a detailed accessibility audit on a webpage.
Parameters:
url (required): URL of the webpage to auditincludeHtml (optional): Whether to include HTML snippets in the results (default: false)tags (optional): Array of specific accessibility tags to check (e.g., wcag2a, wcag2aa, wcag21a, best-practice)Example:
Use the a11y MCP server to audit example.com for accessibility issues
Gets a summary of accessibility issues for a webpage.
Parameters:
url (required): URL of the webpage to auditExample:
Give me an accessibility summary of example.com
Once configured, you can ask Claude to use the MCP server to perform accessibility audits:
To run the server locally for development:
npm start
This project includes a release script to help with versioning and publishing to npm. The script handles version bumping, running tests, git tagging, and npm publishing.
To release a new version:
# Make sure the script is executable
chmod +x release.sh
# Release a patch version (default)
./release.sh
# Release a minor version
./release.sh --minor
# Release a major version
./release.sh --major
# Release a specific version
./release.sh --version=1.2.3
# Skip git operations
./release.sh --skip-git
# Dry run (no changes will be made)
./release.sh --dry-run
# Force release even with uncommitted changes
./release.sh --force
For more information, run:
./release.sh --help
MPL 2.0
This project builds atop the awesome work done by axe-core