langgraph - Build stateful agent graphs
Build stateful agent graphs with checkpoints and conditional flows
Tags
Updated: 2026-03-19Capabilities
Typical Inputs
Typical Outputs
What this skill does
- create StateGraph objects
- write node functions
- add edges
- add conditional edges
- compile graphs
- add checkpointer
- stream outputs
- compose subgraphs
- invoke graphs
- route state
Inputs
- TypedDict state definition
- initial state data
- node function
- routing function
- checkpointer
- subgraph
- LLM model
Outputs
- updated state dictionary
- streamed updates
- graph execution result
- intermediate states
Requirements
- Python runtime
- langgraph library
- langchain library
- LLM access