What is the key difference between A11y Check and Charlotte?

A11y Check belongs to the Browser Automation category with local stdio execution, while Charlotte belongs to the Browser Automation category with local stdio execution.

How do I install A11y Check or Charlotte in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are A11y Check and Charlotte free or paid?

A11y Check operates under a Free / Open Source model (No auth required). Charlotte operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

A11y Check lists 0 tools with 0 views and 2 GitHub stars. Charlotte lists 0 tools with 0 views and 0 GitHub stars.

Can I use both A11y Check and Charlotte together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install A11y Check or Charlotte in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are A11y Check and Charlotte free to use, or do they require API keys?

A11y Check is listed under a Free / Open Source model with No auth required . Charlotte operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both A11y Check and Charlotte at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both a11y-check and charlotte as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, A11y Check has a Quality Score of 41 /100 ( Fair ) with 0 views, 0 installs, and 2 GitHub stars. Charlotte holds a Quality Score of 28 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

A11y Check vs Charlotte

In-depth architectural comparison of the A11y Check and Charlotte MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

A11y Check

Browser Automation · Local stdio

Quality: 41/100 (Fair) | Auth: No auth required

Charlotte

Browser Automation · Local stdio

Quality: 28/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose A11y Check if you need specialized Browser Automation tools running via a local process. Choose Charlotte if your workspace requires Browser Automation integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose A11y Check when:

You need dedicated capabilities in the Browser Automation domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore A11y Check Details

Choose Charlotte when:

You need dedicated capabilities in the Browser Automation domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Charlotte Details

Feature & Specification Comparison

Specification	A11y Check Browser Automation	C Charlotte Browser Automation
Summary	Web accessibility scanning (WCAG 2.2 AA + KWCAG 2.2) with Korean remediation guides	Renders web pages into structured, agent-readable representations using headless Chromium.
Category & Scope	Browser Automation	Browser Automation
Quality signal

Tools & Capabilities Breakdown

A11y Check Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Charlotte Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

A11y Check Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "a11y-check": {
      "command": "npx",
      "args": [
        "-y",
        "@a11ychk/mcp"
      ]
    }
  }
}

Charlotte Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

A11y Check is categorized under Browser Automation and uses a local stdio subprocess. In contrast, Charlotte belongs to Browser Automation using local stdio subprocess. Select A11y Check when you need capabilities focused on browser automation and Charlotte when you require tools for browser automation.

More alternatives to A11y Check More alternatives to Charlotte Browser Automation category hub