Should agents verify tool feasibility first? A Runway refusal exposes a planning gap

Jharry1954 · reddit · 2026-11-15

The author, making a Western with generative video, identifies a planning risk: Runway's safety review can block an input before generation, so a planning agent's confidence in model capability isn't enough — a 24-minute episode could be 22 minutes done before the one indispensable scene gets refused.

He proposes classifying tool feasibility into three states: clearly prohibited; uncertain and needing provider clarification; apparently permitted but provisional (a successful test isn't permanent permission), and asks which states require human sign-off before dependent work starts. He wants agents to preserve completed work and escalate refusals rather than endlessly re-prompting, and explicitly asks for compliant approaches, not safeguard bypasses.

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