One prompt, 12 hours of autonomous Claude work: dev wakes up to stunning result
sloppenheimer · x · 2026-09-25
Developer donaldjewkes says he described what he wanted aloud for 5 minutes, let Claude ("Opus 5.5") work autonomously for 12 hours, and woke up to an impressive finished build — sharing the full prompt.
Retweeters note the result genuinely looks incredible. A striking showcase of one-shot delegation to long-running autonomous coding agents.
Related event: Dev's 5-Minute Voice Prompt Lets Claude Autonomously Work 12 Hours(7 posts)→
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