LangGraph Tutorial: 5 Proven Steps to Fix a Fragile Agent

Automated excerpt

It takes the state, does something (calls the LLM, runs a tool), and returns an update to the state. Any later call with the same thread id resumes that conversation's state. Sources: LangGraph official quickstart and Graph API docs; Real Python: Build Stateful AI Agents with LangGraph; Hostinger LangGraph tutorial (approval + streaming patterns).

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