6DuckLearn MCP vs Nautilus Compass

In-depth architectural comparison of the 6DuckLearn MCP and Nautilus Compass 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 6DuckLearn MCP when:

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

Explore 6DuckLearn MCP Details

Choose Nautilus Compass when:

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

Explore Nautilus Compass Details

Feature & Specification Comparison

Specification	6DuckLearn MCP Knowledge & Memory	Nautilus Compass Knowledge & Memory
Summary	Connect agents to 6DuckLearn memory, approvals, and runtime control.	Drift-aware cross-agent memory · MCP/A2A · LongMemEval-S 56.6% · 1/15 Zep cost
Category & Scope	Knowledge & Memory	Knowledge & Memory

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": {
    "6ducklearn-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "github"
      ]
    }
  }
}

{
  "mcpServers": {
    "nautilus-compass": {
      "command": "uvx",
      "args": [
        "nautilus-compass"
      ]
    }
  }
}

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