A little toy made to test #TypeSafe Jev.

Built a multi-agent airplane toy where each plane queries Jev for calibrated decisions in about 150ms per roundtrip.
The original post
A little toy made to test #TypeSafe Jev. Visuals by Astra, logic by GLM 5.3. Each airplane only has information about itself and its surroundings and all decisions are made by Jev, calibrated probabilities and all, in ~150ms roundtrip. 6H from idea to visuals.
Engagement when collected
Numbers are a snapshot taken from X when the case was added to the library (schema v1, collected 2026-09-19); they will not match today.
Where this case fits
Filed under coding & developer tools. In the pattern Jev is built for, the model answers a bounded question per step — and ordinary code acts on the answer, because the answer is already a value rather than a paragraph. Other posts in the same family are on the coding & developer tools page.
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Last updated: 2026-09-22 · sources & corrections · every card links to its author's original post