As stated in the Boards of the game Monster Hunter World itself. Link
CheatHappens will no Longer support or make Trainers for this game.
So please do not ask for any CoSMOS script or trainers anymore. it will not happen.
All topics found asking about this will be removed on sight.
* Updated game trainers and cheats daily
* Get notified when new cheats are added
* Request which games get new trainers
* Priority support with any problem