Compose a graph
drag a node from the left to begin
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Each lesson assembles a real graph step by step, with narration explaining the why behind every node.
Build a basic retrieval-augmented pipeline. Learn why we fetch documents before asking the LLM anything.
Extend RAG with a planner-critic loop. Watch the agent revise its own work until the critic approves.
Add an approval gate before tool execution. Pause, inspect, approve or reject — the agent waits for you.