Memory MCP Server

MCP server by Model Context Protocol

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Memory MCP Server at a glance

Memory MCP Server is an official MCP server from Model Context Protocol. It gives an AI assistant persistent memory stored as a local knowledge graph of entities and relations.

Connects to
Memory and automation
Hosting
Local · stdio
Sign-in
None
Price
Free
Works with
Claude Desktop, VS Code
Best for
Anyone wanting simple local memory for assistants
Checked
October 3, 2026 on official sources

How to install Memory MCP Server

Add the command below as a new MCP server in your AI app’s settings or MCP config file. Sign-in: None.

Install or connect
npx -y @modelcontextprotocol/server-memory

What Memory MCP Server can do

It saves people, projects and facts as entities with observations and links between them. The data lives in a local JSONL file so the assistant can recall it in later chats.

Tools it exposes include
create_entitiescreate_relationsadd_observationssearch_nodesopen_nodesread_graph

Best for: anyone wanting simple local memory for assistants

Pros

  • No account or API key needed
  • Data stays in a local file
  • Small and easy to inspect

Cons

  • No semantic or vector search
  • Single local file does not sync across devices

Memory MCP Server FAQ

Is Memory MCP Server free?

Yes. It is open source under MIT and runs on your own machine.

How do I connect Memory MCP Server?

Add it to your MCP client config with the command npx -y @modelcontextprotocol/server-memory.

What can Memory MCP Server do?

It creates entities and relations, adds observations, searches nodes and reads back the whole knowledge graph.