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A11y MCP Server

@priyankark

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基本情報

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その他

トランスポート

stdio

作者

priyankark

投稿者

Priyankar Kumar

A11y MCP Server について

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!

#a11y#axe-core#accessibility#tests

A11y MCP Server の設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "a11y": {
      "command": "npx",
      "args": [
        "a11y-mcp"
      ],
      "disabled": false,
      "autoApprove": []
    }
  }
}

A11y MCP Server のツール

ツール一覧はまだありません

この掲載には表示できるツール一覧がまだありません。サーバーにツールがないという意味ではありません。対応機能はプロジェクトのドキュメントをご確認ください。

上のボタンで一時的なサンドボックスでこのサーバーを実行し、ツール一覧を取得できます。

概要

What is A11y Mcp?

A11y Mcp is an MCP server that performs accessibility audits on webpages using axe-core. It enables AI assistants like Cline, Cursor, and GitHub Copilot to detect and fix accessibility issues in an agentic workflow.

How to use A11y Mcp?

Install globally with npm install -g a11y-mcp or run directly with npx a11y-mcp. Add it to your MCP settings configuration as a JSON object under mcpServers. Then ask your AI assistant to audit a URL using available tools like audit_webpage and get_summary.

Key features of A11y Mcp

  • Perform detailed accessibility audits on any webpage
  • Get a summary of accessibility issues
  • Filter audits by specific WCAG criteria
  • Include HTML snippets in results for debugging
  • Works with Cline, Cursor, and GitHub Copilot
  • Uses axe-core for reliable compliance checks

Use cases of A11y Mcp

  • Audit a live website for WCAG 2.1 AA compliance
  • Get a quick summary of issues on any public page
  • Integrate accessibility checks into a local development server
  • Let an AI agent fix detected issues in an automated loop
  • Filter audits to focus on specific accessibility tags

よくある質問

1

What tools does A11y Mcp provide?

It provides `audit_webpage` for full audits and `get_summary` for a summary of issues. Both require a `url` parameter; `audit_webpage` also accepts optional `includeHtml` and `tags` parameters.

2

How do I configure A11y Mcp with Cline?

Add a JSON entry under `mcpServers` in your MCP settings file: `{ "a11y": { "command": "npx", "args": ["a11y-mcp"], "disabled": false, "autoApprove": [] } }`.

3

Can I audit a local development server?

Yes, the `url` parameter accepts any valid URL, such as `http://localhost:3000`, making it suitable for local testing.

4

What is the license of A11y Mcp?

A11y Mcp is licensed under the MPL 2.0 license.

5

Does A11y Mcp require any external dependencies?

It uses axe-core for audits and runs via Node.js, so you need Node.js installed to use it with `npx` or after global installation.

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