What is the key difference between Darwin RAG and Gctrl?

Darwin RAG belongs to the Knowledge & Memory category with local stdio execution, while Gctrl belongs to the Knowledge & Memory category with local stdio execution.

How do I install Darwin RAG or Gctrl 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 Darwin RAG and Gctrl free or paid?

Darwin RAG operates under a Free / Open Source model (No auth required). Gctrl operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Darwin RAG lists 0 tools with 0 views and 0 GitHub stars. Gctrl lists 0 tools with 0 views and 4 GitHub stars.

Can I use both Darwin RAG and Gctrl 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 Darwin RAG or Gctrl 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 Darwin RAG and Gctrl free to use, or do they require API keys?

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

Yes! MCP clients support multi-server orchestration. You can include both darwin-rag and gctrl 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, Darwin RAG has a Quality Score of 25 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Gctrl holds a Quality Score of 40 /100 ( Fair ) with 0 views, 0 installs, and 4 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Darwin RAG vs Gctrl

In-depth architectural comparison of the Darwin RAG and Gctrl 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

Darwin RAG

Knowledge & Memory · Local stdio

Quality: 25/100 (Emerging) | Auth: No auth required

Gctrl

Knowledge & Memory · Local stdio

Quality: 40/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Darwin RAG if you need specialized Knowledge & Memory tools running via a local process. Choose Gctrl if your workspace requires Knowledge & Memory integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Darwin RAG 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 Darwin RAG Details

Choose Gctrl 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 Gctrl Details

Feature & Specification Comparison

Specification	D Darwin RAG Knowledge & Memory	G Gctrl Knowledge & Memory
Summary	Local-first RAG engine with MCP server for AI agent integration.	Governed graph-native agent memory: knowledge extraction, fusion, hybrid RAG, scoped access tokens.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

Tools & Capabilities Breakdown

Darwin RAG Tools (0)

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

Gctrl 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).

Darwin RAG Configuration

mcpServers (Claude Desktop / Cursor)

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

Gctrl Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Darwin RAG is categorized under Knowledge & Memory and uses a local stdio subprocess. In contrast, Gctrl belongs to Knowledge & Memory using local stdio subprocess. Select Darwin RAG when you need capabilities focused on knowledge & memory and Gctrl when you require tools for knowledge & memory.

More alternatives to Darwin RAG More alternatives to Gctrl Knowledge & Memory category hub

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