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Let It Brew keeps your Mac awake while Claude Code, Codex, OpenCode, GitHub Copilot CLI, or Pi works, then lets it sleep when tracked work stops. Free and open source, with closed-lid support, battery limits, and no account required.
Hey everyone, I’m Ruban, the maker of Let It Brew.
I’d tried Caffeine and Amphetamine, but wanted something built around my coding agents. I wanted to close my MacBook while they worked and have it sleep once they were done, without remembering to turn anything off.
So I built Let It Brew. It sits in your menu bar and follows local sessions from Claude Code, Codex, OpenCode, GitHub Copilot CLI, and Pi. When several sessions are running, it keeps your Mac awake until none of the tracked sessions are working.
You can set a battery cutoff, restrict it to connected power, and let the display sleep while agents keep working. Closed-lid support requires approval of a local background service.
It’s free and open source, runs locally, and doesn’t require an account or collect app telemetry. It works on Apple Silicon and Intel Macs running macOS 14 or later.
I’ve been using it for about a month now. If you regularly leave coding agents running, I’d love to hear how it works for you and which agent you’d like me to support next.
Download: https://letitbrew.app
Source: https://github.com/ruban-24/leti...
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About Let It Brew on Product Hunt
“Keep your Mac awake while coding agents work”
Let It Brew was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #96 on the daily leaderboard. Let It Brew keeps your Mac awake while Claude Code, Codex, OpenCode, GitHub Copilot CLI, or Pi works, then lets it sleep when tracked work stops. Free and open source, with closed-lid support, battery limits, and no account required.
Let It Brew was featured in Productivity (663.5k followers), Open Source (69k followers), Developer Tools (521.5k followers) and GitHub (41.4k followers) on Product Hunt. Together, these topics include over 309k products, making this a competitive space to launch in.
Who hunted Let It Brew?
Let It Brew was hunted by Ruban Ruban. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Ruban Ruban