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A prompt is not an expert framework until it can say when not to act

This story is from 2026-08-31. It is preserved in the archive; the latest stories are on the live feed.

“Act like an expert” is not an expert prompt. It is a request for the model to fill in the missing method from its own priors. A reusable domain instruction needs a stricter shape: Use when: the situations this method actually covers Do not use when: the regimes or inputs that make it invalid Requi…

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  1. 2026-08-31 13:48 · r/PromptEngineering
    A prompt is not an expert framework until it can say when not to act

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