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Daari

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

Demo video · www.loom.com/…

Maps apps know a crash happened. They don’t know if the tow truck is there, when it will clear, or whether you should take the next exit. Daari Sentinel answers that. Road cameras (dashcams and roadside cameras) report what they see: SAM 3.1 finds the vehicles and responders, Muse Spark confirms it’s a real incident and rejects false alarms, and a Muse Wonder agent tracks the incident across reports, estimating when it clears, with cited evidence and a guard that rejects unsupported claims. Drivers whose route crosses it get a clear choice before they reach it: stay, reroute, or wait it out, plus the last exit to decide by. Results: 19/19 incidents detected, 0 false alarms on normal traffic, and the clear-time estimate narrows 72 → 36 → 10 min as more cameras pass. A cheap quick check (median $0.0002) keeps normal traffic off the map, about $0.33 per hour of driving. In the simulation, one camera report alerted 11 drivers on different trips and saved about 3.2 driver-hours. Faces and plates are blurred everywhere.

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