Try BetterTouchTool[https://www.boastr.net/ https://www.boastr.net/]. I'm using it to customise my TouchBar for each app I use, and it's great. Touchbar version

Try BetterTouchTool[https://www.boastr.net/ https://www.boastr.net/]. I'm using it to customise my TouchBar for each app I use, and it's great. Touchbar version is an alpha - but I've found it mostly stable.