Holdor – Stop your Agents from sleeping
Your Mac stays awake. Sleep is for humans, not agents.
What it does
Holdor is a free, open-source macOS menu bar app that prevents sleep while Claude, Cursor, Windsurf, VS Code, and other AI coding agents are running. Lock your screen, walk away, agents keep working.
Does a similar job
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Agents Never Sleep16d ago · 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!
- AKAdrafinil – keep a lid-closed Mac awake only while agents workJun 2026 · github.com · ▲124
A month ago there was a wave of posts and tweets about engineers walking around cafes and parks with their MacBooks propped half-open, as fully closing the lid forces sleep that stops their AI agents. Some people made snarky comments about using tmux or Amphetamine, and some defended their choice with “but I only need it sometimes, and forgetting to disable Amphetamine and finding my laptop discharged in my bag is worse.” This is a solution to this problem. Unlike caffeinate, it will prevent your MacBook from sleeping even with the lid closed, with no external power or display, using pmset…
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