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Monster Paws

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

Monster Paws — Demo video

Monster Paws is a free website where you sponsor a real shelter animal. Your donation goes to the animal's shelter through Every.org, and we keep $0. As our thank-you, we try to paint the animal in watercolor from its listing photos, with the shelter's permission, and email you the paintings with a page you can share. Shelters have no budget to stand out, and their photos are messy: two cats on a chair, a litter, a hand in the frame. To paint the right animal, you first have to find it. During the hackathon we built that detection on SAM 3.1, a painting job that runs on a home GPU, the painting email, the share page and outreach to over 70 shelters. The first shelter said yes on November 4, and real donations now go from payment to a delivered painting with no one touching them. The browse pages, the painting workflow and our local detector came first, and the README's table separates old from new, commit by commit.

Team