The Secret to Agent Design: Lowering the Cost of Undo, Not Adding Features
hubtyper · reddit · 2026-08-06
A developer shared a counterintuitive lesson in agent design: the best feature they ever added wasn't a new capability, but a simple 'undo' button. Previously, the high cost and irreversibility of modifying intents paralyzed the team from iterating. Once changes became reversible and cheap, experimentation and A/B testing flourished overnight. The author argues that agent design is secretly about minimizing the cost of undoing things rather than just doing them.
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