What is the key difference between MCP Accessibility Scanner and A11ymcp?

MCP Accessibility Scanner belongs to the Browser Automation category with local stdio execution, while A11ymcp belongs to the Browser Automation category with local stdio execution.

How do I install MCP Accessibility Scanner or A11ymcp 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 MCP Accessibility Scanner and A11ymcp free or paid?

MCP Accessibility Scanner operates under a Free / Open Source model (No auth required). A11ymcp operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

MCP Accessibility Scanner lists 42 tools with 0 views and 56 GitHub stars. A11ymcp lists 6 tools with 1 views and 91 GitHub stars.

Can I use both MCP Accessibility Scanner and A11ymcp 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.

Side-by-Side Model Context Protocol Comparison

MCP Accessibility Scanner vs A11ymcp

In-depth architectural comparison of the MCP Accessibility Scanner and A11ymcp 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

MCP Accessibility Scanner

Browser Automation · Local stdio

Quality: 61/100 (Good) | Auth: No auth required

A11ymcp

Browser Automation · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Verdict Summary: Choose MCP Accessibility Scanner if you need specialized Browser Automation tools running via a local process. Choose A11ymcp 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 MCP Accessibility Scanner 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).
Primary tools included: scan_page, audit_site, scan_page_matrix.

Explore MCP Accessibility Scanner Details

Choose A11ymcp 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).
Primary tools included: Accessibility testing of URLs and HTML strings, Supports WCAG 2.0, 2.1, and 2.2 compliance levels, Customizable viewport dimensions for testing.

Feature & Specification Comparison

Specification	MCP Accessibility Scanner Browser Automation	A11ymcp ronantakizawa Browser Automation
Summary	MCP server for automated web accessibility scanning with Playwright and Axe-core.	Web accessibility testing MCP server that analyzes URLs and HTML for WCAG 2.0/2.1/2.2 compliance using axe-core. Tools for color contrast, ARIA validation, and orientation lock detection.
Category & Scope	Browser Automation

Tools & Capabilities Breakdown

MCP Accessibility Scanner Tools (42)

scan_page

Performs a comprehensive accessibility scan on the current page using Axe-core.

audit_site

Crawls and scans multiple internal pages, then aggregates violations across the site.

scan_page_matrix

Runs Axe scans on the same page across viewport/media/zoom variants and compares deltas against baseline.

audit_keyboard

Audits real keyboard focus behavior by pressing Tab (and optional Shift+Tab) with practical heuristics.

audit_screen_reader

Audits what a screen reader actually announces, using the browser's own accessibility tree (`page.ariaSnapshot`) plus element geometry. No screen reader is installed or driven; this is a static reading of the exposed tree.

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).

MCP Accessibility Scanner Configuration

mcpServers (Claude Desktop / Cursor)

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

A11ymcp Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "ronantakizawa-a11ymcp": {
      "command": "npx",
      "args": [
        "-y",
        "a11y-mcp-server"
      ]
    }
  }
}

Frequently Asked Questions

MCP Accessibility Scanner is categorized under Browser Automation and uses a local stdio subprocess. In contrast, A11ymcp belongs to Browser Automation using local stdio subprocess. Select MCP Accessibility Scanner when you need capabilities focused on browser automation and A11ymcp when you require tools for browser automation.

More alternatives to MCP Accessibility Scanner More alternatives to A11ymcp Browser Automation category hub