How to Run a Shortcut With a Keyboard Shortcut on Mac

The fastest way to run an automation is the way that doesn't interrupt anything: a hotkey. Every shortcut in the Shortcuts app can have its own global keyboard shortcut — press it in Safari, Finder, or a full-screen game, and the automation fires. Setup takes about twenty seconds; picking a combo that doesn't fight with the rest of macOS is the part worth thinking about.

Assign the hotkey

1. Open the Shortcuts app and double-click the shortcut you want to trigger.
2. Click the ⓘ button in the top-right to open the details panel (make sure the Details tab is selected).
3. Click Add Keyboard Shortcut.
4. Press the combination you want — say Ctrl+Option+Cmd+R. It appears in the field immediately.
5. Close the editor. Done — there's no save button; the hotkey is live.

Test it from another app right away. The combo works system-wide: you don't need the Shortcuts app open, and the shortcut runs quietly in the background (anything it needs to show you appears as a small notification-style panel).

Pick a combo that won't collide

macOS and your apps already claim a lot of keyboard real estate, and a Shortcuts hotkey silently loses most fights. Two rules keep you safe:

• Use three modifiers: Ctrl+Option+Cmd plus a letter is almost never taken by anything. It's awkward to describe and easy to press — all three sit together under your thumb and fingers.
• Make the letter mnemonic: Ctrl+Option+Cmd+M for a meeting setup, +R for resize. You'll actually remember them.

Avoid Cmd+letter and Shift+Cmd+letter — those namespaces are dense with app shortcuts (Shift+Cmd+R alone means something different in Safari, Mail, and Xcode).

When the hotkey doesn't fire

Work down this list — one of these is almost always it:

• Something else owns the combo. Check System Settings → Keyboard → Keyboard Shortcuts and scan the categories (Mission Control, Screenshots, Services, App Shortcuts) for the same keys. System shortcuts win; either untick theirs or pick a new combo for yours.
• The frontmost app grabbed it first. App-local shortcuts beat global ones while that app is focused. If your hotkey works everywhere except one app, check that app's own shortcut list.
• The shortcut needs permissions. The first run may ask for access to files, apps, or your screen — if you dismissed that dialog, the shortcut dies silently afterwards. Run it once manually from the Shortcuts app and grant what it asks.
• Focus is in a text field with the same keys mapped — rare, but some editors (and anything with Vim emulation) swallow exotic combos.

Change or remove the hotkey

Back in the shortcut's details panel, click the recorded combo and press a new one to replace it, or press Delete to clear it entirely — that's the undo. The shortcut itself is untouched either way; it just goes back to being run from the app, menu bar, or Spotlight.

No free keys left?

If every combo you try is taken, consider freeing some up: this guide to shortcut conflicts shows how to audit what's claimed where, and turning off system shortcuts you never use (Keyboard → Keyboard Shortcuts) reclaims prime combinations for your own automations.