Original mod: https://www.curseforge.com/minecraft/mc-mods/cave-dweller
This mod is discontinued since people keep stealing this mod while passing it off as their own (+ also gating access behind payment)
(Note: You do not need to re-upload the mod if you're only changing textures or sounds, see https://minecraft.wiki/w/Resource_pack)
Ther are some commands when you use /cave_dweller
fast_forward: Increase (or decrease) the current spawn or noise timer (in ticks)get_target: Displays the current spawn target (cave dweller will spawn at its destination and target it)get_timer: Displays the current spawn or noise timer (in seconds), format being: current / target[Base.Targeting."Entity Blacklist"] config entry