Toggling your Caps Lock key is now a way to prevent your MacBook from sleeping, even when you close the lid. This is a surprisingly lean solution for anyone who needs their machine to keep running background tasks—like long renders or server deployments—without having to dig through System Settings or install heavy-duty power management software.
The utility is straightforward: it maps the "awake" state to your Caps Lock key. It effectively solves the frustration of a Mac going to sleep the second the lid drops, which usually kills your AI workflow or stops a local LLM agent from completing its run.
If you want to set it up, the process is minimal:
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Download and install the app.
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Grant the necessary accessibility permissions in macOS System Settings.
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Toggle Caps Lock when you need the system to stay active.
For those of us who frequently run headless setups or use the Mac as a temporary server, this is far more intuitive than keeping a window open or messing with caffeinate
in the terminal. It's a small, single-purpose tool that does one thing perfectly.
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All Replies （3） #
N
Works for me, but make sure your charger is plugged in so it doesn't die.
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P
Does this mess with any specific keyboard shortcuts or just the sleep timer?
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D
Just a heads up, this might cause screen burn-in if you leave it on too long.
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