Ok. Well I don't think you'll really find any mod menus for the newest TU.
Can u mod bo1Ok. Well I don't think you'll really find any mod menus for the newest TU.
If there even are any, they're probably private.
Tools really are the way you'd like to go.
Or you may be able to find off-host menus, but I don't think that's what you're looking for, and these off-host menus are usually found within e.g. stealth servers.
If you go to old TUs, you'll be able to find at least some mod menus.
If you go far enough back in the BO3 Modding section, I'm positive you'll find at least some mod menus for some older TUs.
(Perhaps try to utilize the search function, in case you didn't already?)