The DEV community took on the Sanity Challenge: ship an AI agent that queries real content, or vibe-code something strange with Sanity behind it. Here is what came in. This is a preliminary report: judging is still underway.
45% of all entries landed in the final 72 hours. Dates in Pacific time.
A wine collection that keeps its history: what you owned on any past date, and what you used to think a bottle's drinking window was.
Started as a dream journal and became a 3D library you walk through, where real DEV articles are books on the shelves.
Paste a stack trace and an AI agent names the "demon" and proposes a fix. A human approves or rejects it from Sanity Studio.
Describe your situation in English or Kannada and it tells you which Indian government welfare schemes you qualify for, using eligibility rules stored in Sanity.
Answers car repair questions from service bulletins and federal investigations, checks every quote against its source, and shows where the record contradicts itself.
A geophysics graduate modeled Niger Delta borehole surveys in Sanity, and the agent found 10 internal inconsistencies across 3 published studies.
Judging is still underway. These projects stood out on our first pass.