LangGraph brings the clarity of graph-based state machines to agentic workflows. Each node is a function receiving state and returning state updates. Edges define conditional branching. The result is an explicit, debuggable execution model that survives reloads, supports human-in-the-loop interrupts, and enables visualisation of agent reasoning paths.
The 5-Mode Loop
4 of 5 modes available
Read · See · Animate · Test · Build
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Master the theory
Before this, understand: planning loops