Some mods target the Mono version of the game, which is available by opting into the Steam beta branch "alternate"

StansLegalWeapons
Stan's legal weapons is a simple mod that adds a shop interface to the Arms Dealer, so that you don't need to navigate through the endless dialogue menus to buy 1 item at a time.
CHANGELOG
Version 1.0.0
- Shop interface working for both Mono and Il2Cpp
- Purchased items can automatically be added to vehicle
- Purchased items will overflow to docking bay racks