Memory (Knowledge Graph) vs Owlex

A side-by-side comparison of two AI, Data & Knowledge servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Memory (Knowledge Graph) Official MCP server providing persistent, file-backed knowledge-graph memory across sessions. Verified stdio (local) No auth TypeScript	Owlex Get a second opinion in Claude Code: query Codex, Gemini, OpenCode and more, with structured multi-model deliberation. Unverified stdio (local) API key Python
Category	AI, Data & Knowledge	AI, Data & Knowledge
Language	TypeScript	Python
Transport	stdio (local)	stdio (local)
Auth	None	API key
GitHub stars	74k	123
Last commit	6 months ago	4 months ago
Verified
Actively maintained
Install	`npx -y @modelcontextprotocol/server-memory`	`uv tool install git+https://github.com/agentic-mcp-tools/owlex.git`
Repo	Open	Open

Verdict

Pick Memory (Knowledge Graph) if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Pick Owlex if you need the broadest set of tools.

Add Memory (Knowledge Graph)

Install / run

npx -y @modelcontextprotocol/server-memory

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "memory-knowledge-graph": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-memory"
      ],
      "env": {
        "MEMORY_FILE_PATH": "/absolute/path/to/memory.jsonl"
      }
    }
  }
}

Add Owlex

Install / run

uv tool install git+https://github.com/agentic-mcp-tools/owlex.git

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "owlex": {
      "command": "owlex-server",
      "args": []
    }
  }
}

FAQ

Memory (Knowledge Graph) or Owlex — which is better?

Pick Memory (Knowledge Graph) if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option. Pick Owlex if you need the broadest set of tools.

Can I use both Memory (Knowledge Graph) and Owlex?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Memory (Knowledge Graph) and Owlex work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Memory (Knowledge Graph) →View Owlex →More comparisons →