Checkpointer

[Ch 6] Memory Management for Production Agents

A four-layer memory architecture for production AI agents: in-context message management, episodic persistence with MongoDB, semantic memory via RAG with FAISS, and procedural …

[Ch 4] Build Your First Production-Ready Agent

Build a complete, multi-turn AI agent from scratch using LangGraph — with persistent memory via SQLite checkpointer, proper streaming output, structured tool schemas, and …