Game Plan

using the new model JEV to play the game tetris

Playable board games driven by Jev decisions.

Village NPCs that judge you each tick, deciding what to do and how they feel, instead of chatting.

Official agent skill for Claude Code, Codex, and compatible agents: primitives, patterns, and how to structure evaluations.

Input moderation for Mastra agents on TypeSafe Jev — one file

Using Jev to test how well it predicts financial markets(just like most llms as of september 2026, it doesnt do that good)

Compare GPT generated language with JEV structured Noul decisions on the same input.

Typed decisions from a System One model. An uncertain answer is a different type from a confident one — and the compiler makes you handle it.

An input that becomes what you mean: one text box that morphs into the right UI as you type. Powered by TypeSafe Jev, works offline.