LangGraph

Build stateful, multi-step AI workflows with LangGraph. Graph-based agent orchestration, human-in-the-loop, persistence, and streaming.

FundamentalsTopics 1–9

·What Is LangGraph?
·Nodes and Edges
·State Schema
·Building a StateGraph
·Entry Points and END
·Conditional Edges
·Compiling a Graph
·Streaming Graph Output
·Checkpointing Basics

Start Fundamentals →

IntermediateTopics 10–18

·Human-in-the-Loop
·Interrupt and Resume
·Parallel Nodes
·Subgraphs
·Tool Calling Agents
·Dynamic Graph Construction
·Multi-Agent Handoffs
·Persistence Backends
·MessageGraph

Start Intermediate →

AdvancedTopics 19–27

·ReAct Agent from Scratch
·Plan-and-Execute Agents
·Multi-Agent Collaboration
·Supervisor Pattern
·Hierarchical Agent Networks
·Long-Term Memory
·Time Travel & State Replay
·Map-Reduce Patterns
·Custom State Reducers

Start Advanced →

ProductionTopics 28–35

·LangGraph Platform
·Testing Graphs
·Error Handling & Resilience
·Monitoring & Observability
·Scaling Multi-Agent Systems
·Cost-Aware Routing
·Deployment Patterns
·Production Best Practices

Start Production →