Building Human-In-The-Loop Agentic Workflows

Towards Data Science / 3/25/2026

💬 OpinionDeveloper Stack & InfrastructureTools & Practical Usage

Key Points

  • The article explains how to design human-in-the-loop (HITL) agentic workflows using LangGraph, emphasizing when and where human review should intervene in an automated process.
  • It outlines a practical setup approach for incorporating human approvals, validations, or edits into multi-step agent runs so outputs can be verified before final action.
  • The post focuses on workflow orchestration patterns in LangGraph, showing how control flow can be shaped by HITL checkpoints.
  • It highlights the benefit of improving reliability and safety for agent outputs by combining model-driven steps with human oversight at critical decision points.

Understanding how to set up human-in-the-loop (HITL) agentic workflows in LangGraph

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