MMO starter template ...

[EtienneAndlau]

@Doctor Ergot

Lazy and time poor developers starting MMO project? Well, good luck

You can always start by digesting exi’s network compendium. It’s quite minimalistic description of multiplayer game development.
Multiplayer Network Compendium | An Unreal Engine Blog by Cedric Neukirchen

They could call it the LTPDMMO template