Hearth_MoveIn
Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

Renters lose deposits every year over damage that was already there when they moved in. The landlord has the paperwork; the renter has nothing. Hearth is four AI agents that build the renter's case, from signing the lease to getting the deposit back: Lease checker: flags risky clauses with exact quotes, explains them in the renter's language (e.g. Telugu, Hindi), sets deadline reminders and drafts a landlord email. Move-in report: finds damage in room photos, outlines it with SAM 3.1, and verifies every outline. Move-out check: compares each defect with the move-in photo and marks it already there, worse, new or unclear. Deduction dispute: checks the landlord's deduction list line by line against the photos and lease, disputes what it can prove, asks for proof of the rest, and drafts the reply. Every claim is backed by evidence, enforced in code rather than in the prompt: lease quotes are matched word for word, outlines are kept only after a second check, and a charge can only be disputed with a verified finding or lease clause. An "Agent steps" view shows every decision the agents made.