What is the key difference between Registry and Skillproof?

Registry belongs to the Developer Tools category with cloud HTTP/SSE execution, while Skillproof belongs to the Developer Tools category with local stdio execution.

How do I install Registry or Skillproof 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 Registry and Skillproof free or paid?

Registry operates under a Free / Open Source model (No auth required). Skillproof operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Registry lists 0 tools with 0 views and 0 GitHub stars. Skillproof lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Registry and Skillproof 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 Registry or Skillproof 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 Registry and Skillproof free to use, or do they require API keys?

Registry is listed under a Free / Open Source model with No auth required . Skillproof 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 Registry and Skillproof at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both registry-3 and skillproof 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, Registry has a Quality Score of 30 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Skillproof holds a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Registry vs Skillproof

In-depth architectural comparison of the Registry and Skillproof 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

Registry

Developer Tools · Remote HTTP/SSE

Quality: 30/100 (Emerging) | Auth: No auth required

Skillproof

Developer Tools · Local stdio

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

Verdict Summary: Choose Registry if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Skillproof if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Registry when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Registry Details

Choose Skillproof when:

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

Explore Skillproof Details

Feature & Specification Comparison

Specification	R Registry Developer Tools	S Skillproof Developer Tools
Summary	Check any MCP server's identity, risk grade and tool classifications before installing it.	Check whether a Claude Code skill was tested and whether it works before installing it.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Registry Tools (0)

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

Skillproof 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).

Registry Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "registry-3": {
      "url": "https://policylayer.com/registry/mcp"
    }
  }
}

Skillproof Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Registry is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport. In contrast, Skillproof belongs to Developer Tools using local stdio subprocess. Select Registry when you need capabilities focused on developer tools and Skillproof when you require tools for developer tools.

More alternatives to Registry More alternatives to Skillproof Developer Tools category hub