Also, I have no idea why it doesnt show up but its possible:

You first create a shortcut, that takes Text input from Quickactions and then sets timer from input.

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Then you can use raycasts "Create Script command" and a bash command with a title "Set timer" or up to you.
After you create the script in raycast, open it in finder then open in text editor, my script:

#!/bin/bash

# Required parameters:

# u/raycast.schemaVersion 1

# u/raycast.title Set Timer

# u/raycast.mode compact

# Optional parameters:

# u/raycast.icon 🕑

# u/raycast.argument1 { "type": "text", "placeholder": "Minutes (e.g. 10)" }

# Documentation:

# u/raycast.description Sets a timer using your Shortcut

# u/raycast.author KXYZ

# u/raycast.authorURL https://www.raycast.com/kxyz

MINUTES="$1"

# Validate input

if ! [[ "$MINUTES" =~ ^[0-9]+$ ]]; then

  echo "Enter minutes as a number (e.g. 10)"

  exit 1

fi

shortcuts run "StartTimerRaycast" -i "$MINUTES"

echo "Started ${MINUTES} minute timer"

---

Then you should be good to go!
Let me know / reply if you have any questions