User left Astra working overnight and it ran autonomously for 17+ hours on an app

LinusEkenstam · x · 2026-09-11

Linus Ekenstam shared that after co-writing an extensive PRD with Astra, he asked it to keep building an app overnight — and the agent has now been autonomously working for over 17 hours. He says the output far exceeded expectations, joking the app "better be freaking amazing."

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