I use that with my mate desktop (I love it) and its been long adapted to even Ubuntu-mate desktop as main menu and this aur package works better than Ubuntu-mate's adaptation (this one has a better button combination to handle brisk-menu), so please if you make it available to pcr.

https://aur.archlinux.org/brisk-menu.git
https://github.com/solus-project/brisk-menu