So nothing I do on the PTB transfers over to the live servers, right?

JnnsMu

If I use add-ons on the PTB, they won't get lost on the live servers just as the progress I make won't, correct? I'm just making this post to be sure.

RepliCant

Yes, nothing from ptb transfers over.

will_i_am_14_85

Yes, so feel free to use those Skeleton keys and Engineers toolboxes to your hearts content.