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AI / Agentic AI Interview Questions

Why is a Human Approval Node inserted into sensitive agent workflows?

A Human Approval Node is a deliberate pause point in a graph-based agent workflow that blocks progress until a person reviews and approves the agent's proposed next action.

  • Commonly placed between a draft step and an execution step, such as between drafting an email and actually sending it
  • Protects against irreversible or high-consequence actions being taken purely on the model's own judgment
  • Keeps a human accountable for the specific decisions that matter most, without requiring manual approval for every routine step

This reflects a broader design principle, full autonomy isn't the goal for every workflow, controlled autonomy, with explicit checkpoints at the riskiest points, is often the more practical target.

Where is a Human Approval Node commonly placed?
What broader design principle does this checkpoint reflect?

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