Add managed long-term memory to LangGraph agents with LangMem

Give LangGraph agents memory management and search tools so they can store, retrieve, and update durable facts across sessions.

Skill by agentskillexchange

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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

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Give LangGraph agents memory management and search tools so they can store, retrieve, and update durable facts across sessions.

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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~/.claude/skills/add-managed-long-term-memory-to-langgraph-agents-with-langmem

What's inside

Skill name: Add managed long-term memory to LangGraph agents with LangMem
Description: Give LangGraph agents memory management and search tools so they can store, retrieve, and update durable facts across sessions.
License: MIT
Instructions: 33 lines in SKILL.md · view on GitHub

Agent Skills spec issues

name: only lowercase letters, digits and single hyphens allowed
name: "Add managed long-term memory to LangGraph agents with LangMem" does not match folder "add-managed-long-term-memory-to-langgraph-agents-with-langmem"

Files (1)

SKILL.md

SKILL.md (first lines)

# Add managed long-term memory to LangGraph agents with LangMem

Give LangGraph agents memory management and search tools so they can store, retrieve, and update durable facts across sessions.

## Prerequisites

Python, langmem, LangGraph or LangChain agent runtime, persistent store such as Postgres for production, LLM provider API key

## Installation

Use the upstream install or setup path that matches your environment:
- pip install -U langmem

Requirements and caveats from upstream:
- python

Basic usage or getting-started notes:
- Configure your environment with an API key for your favorite LLM provider:
- export ANTHROPIC_API_KEY="sk-..." # Or another supported LLM provider
- Here's how to create an agent that actively manages its own long-term memory in just a few lines:

- Source: https://github.com/langchain-ai/langmem
- Extracted from upstream docs: https://raw.githubusercontent.com/langchain-ai/langmem/HEAD/README.md

## Documentation

- https://langchain-ai.github.io/langmem/

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/add-managed-long-term-memory-to-langgraph-agents-with-langmem/)

From agentskillexchange/skills, MIT.

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Stars: 58
Forks: 96
Open issues: 4
Last commit (this folder): Jul 10, 2026 (3 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License: MIT
Repository: github.com/agentskillexchange/skills
Website: agentskillexchange.com
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: GitHub github-graphql

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Add managed long-term memory to LangGraph agents with LangMem skill. Agent Mart. https://agentmart.dev/skills/agentskillexchange-add-managed-long-term-memory-to-langgraph-agents-with-langmem (last updated 2026-10-24)