Observed arrival · 2026-10-24
Nocturnal keeps coding agents working with the lid shut
A free, open-source app that keeps a laptop awake while AI agents work with the lid closed, then lets it sleep when they finish.
- For
- People running coding agents on laptops
- Worth noticing
- Heat and battery guards are described as limits agents and phone controls cannot override.
Field notes
The page says Nocturnal watches Claude Code's working, approval-waiting, and finished states, and can also keep selected apps awake for a chosen duration or indefinitely. With the lid closed, it can pause idle apps, freeze simulators, enable Low Power Mode, and apply battery and heat limits; opening the lid is meant to restore prior settings. A browser-based phone control page pairs by QR code and uses revocable keys for each phone. Windows and Linux downloads are labeled beta.
Observed signals
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Editorial observations of this landing page, not a rating.
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