fuji-mak / Capsomnia
A tiny macOS app that turns Caps Lock into a physical keep-awake switch for closed-lid MacBook work.
Why this job: works in the areas we cover, but does not say which job it does
What it does
- Prevent all-caps typing (optional). when Capsomnia is on, Caps Lock no longer forces uppercase input. Shift still types uppercase letters.
- Caps Lock on. keeps AI agents and other work from being interrupted when the MacBook lid is closed. Remote operation through tools such as Codex Mobile remains possible. The Caps Lock light physically shows the current state.
- Custom toggle shortcut. turn Capsomnia on or off with another key combination even if Caps Lock is assigned elsewhere. The green Caps Lock light continues to show the current state.
- Auto-off timer (optional). choose a preset from 15 minutes to 8 hours or a custom duration from 1 minute to 24 hours. When time expires, Capsomnia turns off and releases sleep prevention. It immediately sleeps the Mac only if the lid is clo
- Caps Lock off. restores normal sleep behavior.
Get started
No single install command. Read the steps in the README (opens in new tab)
- Maintenance
- Active
- Last commit 3 days ago
- Stars
- 449
- +5 this week
- Licence
- MIT
- Allows business use
- Downloads for
- None listed
- No release files
- Latest version
- v4.3.3
- Released 4 days ago
- Built with
- Swift
- 91% of the code
Is it looked after?
- Contributors
- 7
- Last 90 days
- Issues
- 100% closed
- 0 still open
- Pull requests
- 129 merged
- 6 waiting
- Releases
- 30
- 30+ in the last year
- No contributing guide
- Security policy (opens in new tab)
- No code of conduct
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More: languages, topics and project record
Languages
- Swift 91%
- Shell 4%
- JavaScript 4%
- Python <1%
Topics
- ai-agents
- appkit
- caps-lock
- developer-tools
- macbook
- macos
- menu-bar
- pmset
- sleep
- swift
Project record
- JobOther AI tools
- StatusListed
- Commits356
- Forks44
- Watching1
- Stars in 28 days+28
- CreatedJun 28, 2026
- First seen by usNov 7, 2026
- CheckedNov 9, 2026