You didn't install them into their own folders did you? Because they don't work that way. They integrate completely with the main mod. ie: There should be only 1 folder for all of MCM (
Cheats Mod
)
Also, the Inventory Editor addon has a bug in recent game versions that already has a fix linked (use
Ricordi's fix linked in the description for the addon)
While everything should still work fine after that, keep in mind that the version of the mod released here is behind on A LOT of changes, including the mentioned InvEdit fix.