Title: In Which Tony Stark Builds Himself Some Friends (But His Family Was Assigned by Nick Fury) (SERIES)
Author: scifigrl47
Basic plot or premise: Slow-build Steve/Tony among a Team-as-Family storyline, lots of AI fun and other adventures...
Why you're recommending the piece: Well, it's the clear choice for Sentient Household Appliances and other AI Shenanigans, imo.
URL/link: on ao3 (https://archiveofourown.org/series/18228)