Memory (Knowledge Graph) vs Chroma MCP Server

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	Chroma MCP Server Official Chroma server: create collections and run vector, full-text, and metadata search. Verified 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	600
Last commit	5 months ago	1 month ago
Verified
Actively maintained
Install	`npx -y @modelcontextprotocol/server-memory`	`uvx chroma-mcp --client-type persistent --data-dir /absolute/path/to/data`
Repo	Open	Open

Verdict

Pick Memory (Knowledge Graph) if you prefer the more popular, battle-tested option, and you want zero-setup with no API key.

Pick Chroma MCP Server 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 Chroma MCP Server

Install / run

uvx chroma-mcp --client-type persistent --data-dir /absolute/path/to/data

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

{
  "mcpServers": {
    "chroma-mcp-server": {
      "command": "uvx",
      "args": [
        "chroma-mcp",
        "--client-type",
        "persistent",
        "--data-dir",
        "/absolute/path/to/data"
      ]
    }
  }
}

Requires `uv` (the Python package runner). Install it from https://docs.astral.sh/uv/ if `uvx` is not found.

FAQ

Memory (Knowledge Graph) or Chroma MCP Server — which is better?

Pick Memory (Knowledge Graph) if you prefer the more popular, battle-tested option, and you want zero-setup with no API key. Pick Chroma MCP Server if you need the broadest set of tools.

Can I use both Memory (Knowledge Graph) and Chroma MCP Server?

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 Chroma MCP Server 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 Chroma MCP Server →More comparisons →