by Amit Shekhar · 2 July 2026
How does LangGraph work?
How LangGraph works. We will also see why we need it, what graphs, state, nodes, and edges are, how tools work and who actually calls them, how memory and human-in-the-loop fit in through a complete example, and when to use it in the real world.
Read on Outcome School ↗then come back to lock it in
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Ten seconds, a guess, then read — a wrong guess still makes the answer stick.
What this article covers
The article lives on outcomeschool.com. Read it there, then come back: the tutor in the margin has read it and will answer questions, and the questions below check what stayed.