What is the key difference between A11y Scorer and API Contract Validator?

A11y Scorer belongs to the Cloud Platforms category with local stdio execution, while API Contract Validator belongs to the Cloud Platforms category with local stdio execution.

How do I install A11y Scorer or API Contract Validator 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 Scorer and API Contract Validator free or paid?

A11y Scorer operates under a Free / Open Source model (No auth required). API Contract Validator operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

A11y Scorer lists 0 tools with 0 views and 0 GitHub stars. API Contract Validator lists 0 tools with 0 views and 0 GitHub stars.

Can I use both A11y Scorer and API Contract Validator 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

A11y Scorer vs API Contract Validator

In-depth architectural comparison of the A11y Scorer and API Contract Validator 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 Scorer

Cloud Platforms · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

API Contract Validator

Cloud Platforms · Local stdio

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

Verdict Summary: Choose A11y Scorer if you need specialized Cloud Platforms tools running via a local process. Choose API Contract Validator if your workspace requires Cloud Platforms 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 Scorer when:

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

Explore A11y Scorer Details

Choose API Contract Validator when:

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

Explore API Contract Validator Details

Feature & Specification Comparison

Specification	A11y Scorer Cloud Platforms	API Contract Validator Cloud Platforms
Summary	Cloudflare Workers MCP server: a11y-scorer	Cloudflare Workers MCP server: api-contract-validator
Category & Scope	Cloud Platforms	Cloud Platforms
Quality signal

Tools & Capabilities Breakdown

A11y Scorer Tools (0)

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

API Contract Validator 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 Scorer Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "a11y-scorer": {
      "command": "npx",
      "args": [
        "-y",
        "a11y-scorer"
      ]
    }
  }
}

API Contract Validator Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "api-contract-validator": {
      "command": "npx",
      "args": [
        "-y",
        "api-contract-validator"
      ]
    }
  }
}

Frequently Asked Questions

A11y Scorer is categorized under Cloud Platforms and uses a local stdio subprocess. In contrast, API Contract Validator belongs to Cloud Platforms using local stdio subprocess. Select A11y Scorer when you need capabilities focused on cloud platforms and API Contract Validator when you require tools for cloud platforms.

More alternatives to A11y Scorer More alternatives to API Contract Validator Cloud Platforms category hub