MCP Catalog vs Open MCP Registry

In-depth architectural comparison of the MCP Catalog and Open MCP Registry 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.

Which MCP Server Should You Choose?

M

Choose MCP Catalog 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 MCP Catalog Details

Choose Open MCP Registry 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 Open MCP Registry Details

Feature & Specification Comparison

Specification	M MCP Catalog Developer Tools	Open MCP Registry Developer Tools
Summary	Search MCP servers in the public mcp-catalog.ru directory.	Search and discover MCP servers from the MCP Registry.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

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).

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

{
  "mcpServers": {
    "open-mcp-registry": {
      "command": "npx",
      "args": [
        "-y",
        "open-mcp-registry"
      ]
    }
  }
}

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