MyPet was not designed with the EULA in mind but with some changes to the configuration, MyPet should be EULA compliant. This depends mainly on the MyPet features you want to use on your server.
In this article players that paid for anything on a server with real money are referred as Donators.
I can not be held responsible for the things written on this page. Everything was written with best intentions in mind but may contain flaws. If you think there are things missing or not correct please contact me on the Spigot Forums.