Mek is craftable.
Take a look at this short video guide on how to tame a Mek.
No Food
Found throughout the ARKs, the Mek is a tamable, carnivore creature in ARK: Survival Ascended. Classified under the DMG group.
Stamina sits at 1000 base, providing exceptional endurance. With 100% base Melee Damage, the Mek has respectable melee power. At 5,500 base HP, the Mek is one of the toughest creatures in the game. Weight capacity starts at 1250, giving it massive inventory space.
As a tame, the Mek pulls double duty as both a capable resource harvester and pack animal. It can be cloned at a Cloning Chamber for 0 Element plus 0 Element per level.