How do I connect A11y MCP Server to Claude?

Run `claude mcp add a11y-mcp -- npx -y a11y-mcp` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is A11y MCP Server free?

The listed licence is MPL-2.0. 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 2 tools to the agent, including audit_webpage, get_summary. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

A11y MCP

Unclaimed

by priyankark

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!

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'a11y-mcp' -- 'npx' '-y' 'a11y-mcp'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

a11ya11y-aia11y-mcpa11y-testingaxe-aiaxe-mcp

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Security profile

Claimed and verified servers get a weekly static scan that shows what the code can reach: external services, environment variables, shell commands, agent configuration folders, plus any dependencies with known advisories. Claim this listing to get one. How the security profile works

Documented tools (2)

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

audit_webpage

Performs a detailed accessibility audit on a webpage.

get_summary

Gets a summary of accessibility issues for a webpage.

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?: Run `claude mcp add a11y-mcp -- npx -y a11y-mcp` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is A11y MCP Server free?: The listed licence is MPL-2.0. 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 2 tools to the agent, including audit_webpage, get_summary. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.