Gives the model a persistent memory using a local knowledge graph so it can remember facts about you and your projects across sessions.
Install
Run one of the commands below, then add the client config underneath.
npx -y @modelcontextprotocol/server-memoryClient configuration
Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.
{
"mcpServers": {
"memory": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-memory"
]
}
}
}About this server
Memory (Knowledge Graph) is listed in the Knowledge & Memory category of the MCPNav directory. It is distributed as npm and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the Memory (Knowledge Graph) MCP server?＋
Memory (Knowledge Graph) is an MCP server by modelcontextprotocol. Gives the model a persistent memory using a local knowledge graph so it can remember facts about you and your projects across sessions.
How do I install Memory (Knowledge Graph)?＋
Install it with: npx -y @modelcontextprotocol/server-memory. Then add the JSON config to your client's MCP settings and restart the client.
Is Memory (Knowledge Graph) free to use?＋
The MCP server itself is free to install. The source is public on https://github.com/modelcontextprotocol/servers. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support Memory (Knowledge Graph)?＋
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.