Belay

macOS menu-bar app that keeps your Mac awake exactly while Claude Code or Codex agents work.

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Belay is a macOS menu-bar app that automatically keeps the Mac awake only while local AI coding agents such as Claude Code, Codex, or Cline are actively working, letting it sleep normally again once a run finishes. It ships as a free direct download, Homebrew cask, and Mac App Store build, and a direct build adds extra features like closed-lid hold and precise per-agent detection, aimed at developers who run long unattended agent tasks.

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