My base is in a cave and this becomes a problem, every time after their visit, I have to change part of the floor and walls. Lighting is kept at a level from 7 to 11.
In half an hour of play, five or six mobs arrived (and these are the ones I noticed). Once two appeared at the same time. This is a little more than my builder soul can bear)
(Sorry for my English, this message is written with the help of a translator)