LangCanvas

Simple branchone decision, two paths Retry / repair looptry → evaluate → retry or end ReAct agentThought → Act → Observe loop Tool-calling agentLLM chooses tools until done Plan-and-executeplan steps, then run them RAG pipelineretrieve → generate / fallback Supervisor + 2 workersroute work to specialist agents Map-reducesplit → workers → merge Human-in-the-loopapprove or revise before continue Guardrailscheck input and output