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WellArtDev

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

WellArtDev — Demo video

GoBareng is a group safety app for hikers and touring riders in Indonesia. Every year, groups lose each other on the trail. There is no headcount, often no signal, and when something goes wrong, help arrives too late. With GoBareng, a leader can set up a trip in under a minute. For hiking, that means mountain routes and checkpoints. For touring, a destination picked on the map. After that, the whole group can be watched live on one map. One tap sends an SOS to nearby users within 2 km, in the app and on WhatsApp. It works with or without a trip, by text, voice, or photo. Leaders can see checkpoints, check ins, and the full headcount at a glance, with an AI leader assistant that sums it all up. If a member goes quiet for 10 minutes, the leader gets an alert. Offline, messages wait in a queue and send automatically once signal returns, with SOS going first. It is built with Meta Muse Spark through the Meta Model API. That covers SOS voice transcription and reason classification, SOS photo descriptions, leader assistant narration, member Q and A grounded in trip data, and post trip reports. Honest status: about 85 to 90 percent complete, not 100 percent. A live voice SOS end to end test is still pending, and some mountain catalog photos are still missing.

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