There is no single mod simply called "Stop Stealing Exclusive" on CurseForge. However, there are three god-tier mods that achieve this goal. When searching for that keyword, the community is usually referring to the combined functionality of or Lot51's "PlumBros" .
Stops Kleptomaniac NPCs from ruining your carefully decorated lots while you aren't looking. Provides an "Autonomy Selector". sims 4 stop stealing mod exclusive