Aria Validate MCP Server

🚀 ARIA Validate MCP Server

This is a Model Context Protocol (MCP) server for validating ARIA (Accessible Rich Internet Applications). It uses the aria-query library to verify the validity of ARIA and role attributes.

This MCP server allows you to ask questions like:

• Can the aria-labelledby attribute be used with the navigation role?
• What are the valid values for aria-hidden?
• List all ARIA landmarks.

🚀 Quick Start

✨ Features

• Validate the validity of ARIA attributes and role attributes.
• Answer various questions related to ARIA.

📦 Installation

Prerequisites

• Node.js version 24.x or higher.
• Deno version 2.x or higher.

Configuration in MCP Clients

Add the following to the configuration file of MCP clients such as Claude Desktop:

{
  "mcpServers": {
    "aria-validate-mcp": {
      "command": "deno",
      "args": [
        "run",
        "--allow-read",
        "/path/to/aria-validate-mcp-server/index.ts"
      ]
    }
  }
}

💻 Usage Examples

Basic Usage

To start using the server, you can follow the installation steps above and then ask relevant ARIA-related questions through the MCP client.

🔧 Technical Details

Development

# Run in development mode (with file monitoring)
deno task dev
# Run tests
deno test
# Format code
deno fmt
# Run the linter
deno lint

📄 License

Please refer to LICENSE.

Acknowledgments

The logo of this OSS was created by Gemini 2.5 Flash Image (Nano Banana), and sample documentation was proposed by Claude 4.5 Sonnet. We are very grateful.