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Guides

Practical fixes for things the Mac doesn't do on its own, each with the free way first. Written while building Halo.

• Best Dynamic Island apps for Mac in 2026
  Seven notch apps compared on price, screens without a notch, notifications and AI agents.
• Know when Cursor's agent is done
  A sound with Cursor's own hooks, or every agent in the notch.
• Dictate into any app on a Mac
  macOS's Dictation, and hold-a-key dictation on your Mac or with Whisper.
• Notifications in the notch
  Tame macOS banners, or show them in the notch instead of the corner.
• Know when Claude Code is done
  Three ways to hear or see when Claude Code finishes or needs you.
• External monitor brightness on a Mac
  Why the keys don't work on your monitor, and how to fix it over DDC.