is there anyway to use this in multiplayer?
Good God... it's people like you that forces game devs to go full dictator with all the hotfixes and security measures. Just do us all a favor and stop playing Stellaris if you're so keen on multi.
Is there any way to know if people are using this multiplayer? Since it can bypass the ironman/multiplayer restriction?
Do *NOT* use this, or any other trainer, in a Multiplayer game.