delef / ClamDown
Keep coding agents working on a MacBook with the lid closed. Free menu bar app: no sleep, fan control by CPU temperature, screen lock, battery and heat cut-offs.
Why this job: says: coding agents; topics: claude-code, codex




What it does
- One switch in the menu bar. Filled icon. on. Outline icon: off. "Turn On For" starts a timed session. The icon style is a setting.
- While on, closing the lid does not sleep the Mac. Running processes and network connections carry on.
- While on, closing the lid locks the screen (setting, on by default), so the Mac does not open without a password.
- While on with the lid closed, it drives the fans from the CPU temperature (setting, on by default). macOS keeps a closed MacBook's fans near their lowest speed even when the chip is hot; ClamDown raises them along a curve: lowest speed up t
- On battery, it switches on Low Power Mode for the battery profile (setting, on by default) and puts your previous value back when it switches off.
Get started
No single install command. Read the steps in the README (opens in new tab)
- Maintenance
- Active
- Last commit yesterday
- Stars
- 10
- On GitHub
- Licence
- Apache-2.0
- Allows business use
- Downloads for
- Mac
- From the latest release
- Latest version
- v0.1.2
- Released yesterday
- Built with
- Swift
- 80% of the code
Is it looked after?
- Contributors
- 1
- Last 90 days
- Issues
- None
- No issues filed
- Pull requests
- 0 merged
- 0 waiting
- Releases
- 3
- 3 in the last year
- No contributing guide
- No security policy
- No code of conduct
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More: download files, languages, topics and project record
Languages
- Swift 80%
- HTML 6%
- CSS 6%
- Shell 4%
Topics
- apple-silicon
- clamshell
- fan-control
- macos
- menubar-app
- pmset
- swift
- swiftui
- ai-agents
- claude-code
- closed-lid
- codex
Project record
- JobCoding agents
- StatusNew to our list
- Commits70
- Forks0
- Watching0
- CreatedNov 10, 2026
- First seen by usNov 13, 2026
- CheckedNov 14, 2026
