Langchain checkpoint memory. . LangChain also provides a way to build applications that have memory using LangGraph's persistence. This tutorial covers deprecated types, migration to LangGraph persistence, simple checkpointers, custom implementations, persistent chat history, and optimization techniques for smarter LLM agents. An in-memory checkpoint saver enables an agent to store previous interactions, allowing the agent to engage in Jul 15, 2025 · LangGraph's checkpointing system provides persistent state management for graph executions, enabling human-in-the-loop workflows, memory across conversations, time travel debugging, and fault tolerance. But first, let's add checkpointing to enable multi-turn conversations. Plus, learn about LangGraph Cloud in open beta. The system captures complete execution state snapshots at each step and persists them with metadata and configuration. This tutorial covers how to add an in-memory checkpoint saver to an agent. Aug 7, 2024 · LangGraph v0. 2 includes new checkpointer libraries for increased customization — including a SQLite checkpointer for local workflows and an optimized Postgres checkpointer to take your app to production.