Clamshell
Close your MacBook. Keep the work running.
Clamshell launched on August 15, 2026 with 92 votes, #438 of 23,274 launches that month and more than 95% of that year's launches.
What it does
Closing my MacBook used to kill whatever I had left running: a build, a download, sometimes an agent halfway through a task. I made Clamshell to fix that. The lid shuts, the screen goes dark, and the work carries on. No monitor, sudo, or admin setup.
Clamshell is a Mac menu bar app that keeps an Apple Silicon MacBook awake with the lid closed, no external display or sudo. 7-day free trial, then $9.99.
Clamshell keeps the work running while the screen goes dark. One Option-close gesture, no sudo or privileged helper. No need to stay plugged in. It survives power transitions without dropping the session. The built-in display stays black while your agents work. Your Mac locks when you open the lid. A clean wake every time. No relaunch, no hang, no black-screen guessingfrom clamshell.dev
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Agents Never SleepAug 2026 · agentsneversleep.app · ▲90Got tired of reaching for the terminal to caffeinate my mac and tweaking system settings Now got a new friend in my menubar Enjoy!
- FOFigure out when you closed your MacBook lid2015 · sleep.gordn.org · ▲45
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