langchain-ai/langgraph

About

Low-level orchestration framework for building stateful agents.

Trusted by companies shaping the future of agents – including Klarna, Replit, Elastic, and more – LangGraph is a low-level orchestration framework for building, managing, and deploying long-running, stateful agents.

If you're looking to quickly build agents, check out Deep Agents — a higher-level package built on LangGraph for agents that can plan, use subagents, and leverage file systems for complex tasks.

For an equivalent JS/TS library, check out LangGraph.js and the JS docs.

LangGraph provides low-level supporting infrastructure for any long-running, stateful workflow or agent:

For developing, debugging, and deploying…

Excerpted from github.com/langchain-ai/langgraph