Examples of various mod features from Vanilla Mod. image - Auto Build Mini Mod (and Generator) for Crusader Kings II

Generates mini mods to automatically build buildings in either your directly held demesne (e.g. county seats), baron vassals in your counties (e.g. county barons) or vassal barons (any direct vassal of yours whose primary title is a barony.) It honors build times, build costs, potentials, prequesitits, and technology requirements. It also benefits from local construction technology bonuses, though not from minister construction bonuses.