MCP Server Docker vs OnlyHarness Registry

In-depth architectural comparison of the MCP Server Docker and OnlyHarness 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?

Choose MCP Server Docker 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).
• You have access to required keys: DOCKER_HOST.
• Primary tools included: Natural-language container composition prompt, Container lifecycle management, Image build, pull, push, and removal.

Explore MCP Server Docker Details

Choose OnlyHarness 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 OnlyHarness Registry Details

Feature & Specification Comparison

Specification	MCP Server Docker ckreiling Developer Tools	OnlyHarness Registry Developer Tools
Summary	Integrate with Docker to manage containers, images, volumes, and networks.	Search, inspect, pull and publish reusable AI-agent harnesses from onlyharness.com.
Category & Scope	Developer Tools

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": {
    "ckreiling-mcp-server-docker": {
      "command": "uvx",
      "args": [
        "mcp-server-docker"
      ],
      "env": {
        "DOCKER_HOST": "YOUR_DOCKER_HOST_HERE"
      }
    }
  }
}

{
  "mcpServers": {
    "onlyharness-registry": {
      "command": "npx",
      "args": [
        "-y",
        "onlyharness@latest"
      ]
    }
  }
}

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