Version 3 of NPC Implicit Actions by Eric Eve begins here.
"A basic extension of the Implicit Actions extension into actions carried out by NPCs. This extension automatically includes Implicit Actions."

• Book 1 - Includes
• Book 2 - Before Rules Causing Implicit Actions
• Book 3 - NPC Knowledge of Keys
• Book 4 - NPC Bolting and Unbolting
• Book 5 - Implicit Taking