Belay
An open-source macOS utility that keeps system hardware awake while local AI coding agents run and restores normal sleep when finished.
Open productWhat it does
About Belay
Belay is a free, open-source macOS utility that prevents systems from sleeping while local AI coding agents execute background tasks, then enables standard sleep settings as soon as the agents finish. It includes built-in detection for Claude Code and Codex, along with one-click presets for tools such as Gemini CLI, Copilot CLI, OpenCode, Cline, Aider, and Pi. Users can also designate custom folders to monitor additional agent workflows. Belay operates strictly on-device without telemetry or accounts, keeping all prompts and code private.
- Availability:
- launched
- Access:
- free
- Format:
- software
- Platform:
- macos
Pricing at launch: Free and open-source software.
Core capabilities
Agent Detection and Tool Presets
Detects active runs of Claude Code and Codex out of the box, and provides one-click presets for Gemini CLI, Copilot CLI, OpenCode, Cline, Aider, and Pi.
Directory Activity Monitoring
Allows users to specify local directories for Belay to watch for file and process activity from other agents or custom scripts.
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