this mod adds the ability to open the "Adminpanel", by pressing z (y on a german key board), which gives easy excess to different options like changing game modes, kicking/banning players from your server, changing important gamerules and some world worldedit esque abilities
you can excess the adminpanel by:
-in creative/spectator mode pressing z (y on german keyboards)
-type /admin to acces the panel
-have fun