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Mem0 tutorial: remember each user's preferences in your AI app

Add and search memories scoped by user id so your assistant personalizes replies.

Credentials. Your LLM key and any Mem0 API key are used for extraction and storage.

Who it is forA developer building a chat assistant that should remember each user.

The problemUsers must repeat preferences every session.

The outcomePer-user memories retrieved when relevant.

What you need first

  • Python or Node.js
  • Docker to self-host the server
  • An LLM provider key for memory extraction

Steps

  1. Install with pip install mem0ai or npm install mem0ai
  2. Add a memory with a user id, for example alice
  3. Search memories for that user before replying
  4. Include results in the prompt

Prompt for your agent

Using mem0, store <preference> for user <id> and search "What does <id> prefer?". Confirm results only include that user's memories.

Caveat. The README's benchmark numbers come from the project's own runs.

Use this in your AI agent

Ask your agent

Using the Deduped MCP, get the setup steps for mem0ai/mem0 and "Remember each user's preferences in your app"

Add Deduped to Claude Code once

claude mcp add --transport http deduped https://dedupedai.com/mcp

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