Graphiti MCP vs MCP Rubber Duck

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

	Graphiti MCP Temporal knowledge-graph memory for agents: add episodes and search facts over FalkorDB or Neo4j, from Zep. Unverified HTTP (remote) API key Python	MCP Rubber Duck Bridge to query multiple LLMs and CLI coding agents as AI "ducks" for diverse perspectives. Unverified stdio (local) API key TypeScript
Category	AI, Data & Knowledge	AI, Data & Knowledge
Language	Python	TypeScript
Transport	HTTP (remote)	stdio (local)
Auth	API key	API key
GitHub stars	28k	168
Last commit	1 month ago	1 month ago
Verified
Actively maintained
Install	`git clone https://github.com/getzep/graphiti.git && cd graphiti/mcp_server && docker compose up`	`npm install -g mcp-rubber-duck`
Repo	Open	Open

Verdict

Pick Graphiti MCP if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Pick MCP Rubber Duck if you want a local (stdio) server that keeps data on your machine.

Add Graphiti MCP

Install / run

git clone https://github.com/getzep/graphiti.git && cd graphiti/mcp_server && docker compose up

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

{
  "mcpServers": {
    "graphiti-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "http://localhost:8000/mcp/"
      ]
    }
  }
}

Claude Desktop connects to remote servers through the `mcp-remote` proxy (installed on first run via npx). Restart Claude Desktop after saving.

Add MCP Rubber Duck

Install / run

npm install -g mcp-rubber-duck

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

{
  "mcpServers": {
    "mcp-rubber-duck": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-rubber-duck"
      ],
      "env": {
        "MCP_SERVER": "true",
        "OPENAI_API_KEY": "sk-your-key-here",
        "DEFAULT_PROVIDER": "openai"
      }
    }
  }
}

FAQ

Graphiti MCP or MCP Rubber Duck — which is better?

Pick Graphiti MCP if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option. Pick MCP Rubber Duck if you want a local (stdio) server that keeps data on your machine.

Can I use both Graphiti MCP and MCP Rubber Duck?

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 Graphiti MCP and MCP Rubber Duck work with Claude, Cursor and Windsurf?

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

View Graphiti MCP →View MCP Rubber Duck →More comparisons →