Atag MCP Server: Install & Setup

Install Atag in Claude Code

Claude Code

claude mcp add atag -- npx -y atag-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "atag": {
      "command": "npx",
      "args": [
        "-y",
        "atag-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Atag MCP server do?

ATAG 2.0 (Authoring Tool Accessibility Guidelines) guidance for authoring tool developers

Is the Atag MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Atag run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Atag to Claude Code?

Run: claude mcp add atag -- npx -y atag-mcp

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