The right-click action does not work on a linked Mac

Bugs or Unexpected Behavior
1

Describe the bug
Due to my motor disability, I use the two-finger tap function on the trackpad through BetterTouchTool, which triggers the right-click action. This function works much better than the one built into macOS because it does not require such precision when clicking with fingers very close together.
Unfortunately, when I connect my MacBook Pro to a Mac mini, if I tap with two fingers on the MacBook's trackpad while controlling the Mac mini, the cursor jumps back from the Mac mini's screen to the MacBook's screen and triggers the right-click there, instead of on the Mac mini. The same happens in reverse when using the Magic Trackpad connected to the Mac mini to control the MacBook: after two-finger tapping on the trackpad, the cursor returns to the Mac mini’s screen.

Affected input device (e.g. MacBook Trackpad, Magic Mouse/Trackpad, Touch Bar, etc.):
MacBook Trackpad, Magic Trackpad

Screenshots
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Device information:

  • Type of Mac: MacBook Pro, Mac mini
  • macOS version: Tahoe 26.3 (25D125) (both)
  • BetterTouchTool version: 6.194 (2026021112) (both)

Additional information (e.g. crash logs, related issues, etc.):

2

Unfortunately Apple still doesn't have an API to programmatically send events while using Universal Control (Support for Apple's Universal Control )

The only solution would be to create a separate network connection between two instances of BTT (one running in the Macbook Pro one on the Mac Mini). However this is currently not supported, it is on my To-Explore list - maybe it will come at some point but it is a complex feature.

3

Maybe you could create a variable to check if this function is currently being used? Because then maybe I could solve it through BTT Weberver