How do I connect A11y MCP Server to Claude?

The listing records `claude mcp add a11y-accessibility -- npx -y a11y-mcp-server` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code, Cursor as compatible clients.

Is A11y MCP Server free?

The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can A11y MCP Server do?

A11y MCP Server documents 6 tools to the agent, including check_aria_attributes, check_color_contrast, check_orientation_lock. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

A11ymcp

Claimed

by ronantakizawa

MCP Server for Web Accessibility Testing (10k+ Downloads, #20 on ProductHunt)

Install

$claude mcp add a11y-accessibility -- npx -y a11y-mcp-server

Set up this server

Compare servers My Stack

This server needs project-specific setup. Follow the project instructions; no reusable public launch command is available yet.

Project instructions

a11ya11y-testingaccessibility-testingmcp

Show this listing on your README and website

Get verified and your listing links back to your site with a do-follow link. The badge is optional while first-100 launch spots remain.

Get the embed code

Security profile

Scan pending. This listing joins the next weekly run and the profile appears here. How the security profile works

6 of 6 tools

Documented tools (6)

From project documentation. A server handshake does not verify each tool’s description or behavior.

check_aria_attributes

Check if ARIA attributes are used correctly in HTML.

check_color_contrast

Check if a foreground and background color combination meets WCAG contrast requirements.

check_orientation_lock

Check if content forces a specific orientation.

get_rules

Get information about available accessibility rules with optional filtering. Returns an array of rule objects, each containing ruleId, description, help, helpUrl, and tags.

test_accessibility

Tests a URL for accessibility issues.

test_html_string

Tests an HTML string for accessibility issues.

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about A11y MCP Server

How do I connect A11y MCP Server to Claude?: The listing records `claude mcp add a11y-accessibility -- npx -y a11y-mcp-server` as its setup step. Run it, then follow the repository's instructions for the client configuration; the listing names Claude Desktop, Claude Code, Cursor as compatible clients.
Is A11y MCP Server free?: The listed licence is MIT. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can A11y MCP Server do?: A11y MCP Server documents 6 tools to the agent, including check_aria_attributes, check_color_contrast, check_orientation_lock. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.