It is required for anything else to work, regardless of what combination of other modules you desire. But, in any case, you must install the core module simply called MC Command Center. You can choose to install all of them or simply the ones you need. MC Command Center is so big, it has been divided in multiple modules for your convenience.
If there’s anything you’d like to tweak from the way The Sims 4 behaves – the MC Command Center mod can do it. It comes with multiple options that tackle different functionalities: adjusting household bills, pregnancy behavior, time settings and many story progression mechanics. It’s purpose is to expand the functionalities and story progression within The Sims 4. MC Command Center (or Master Controller Command Center, MCCC) is probably the greatest mod for The Sims 4.