Marm MCP Server vs Nb MCP Server

In-depth architectural comparison of the Marm MCP Server and Nb MCP Server 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 Marm MCP Server 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 Marm MCP Server Details

Choose Nb MCP Server 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 Nb MCP Server Details

Feature & Specification Comparison

Specification	Marm MCP Server Knowledge & Memory	Nb MCP Server Knowledge & Memory
Summary	Universal MCP Server with advanced AI memory capabilities and semantic search.	MCP server wrapping the nb CLI for LLM-friendly note-taking
Category & Scope	Knowledge & Memory	Knowledge & Memory
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": {
    "marm-mcp-server-2": {
      "command": "uvx",
      "args": [
        "marm-mcp-server"
      ]
    }
  }
}

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

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