jev-trader
24/7 market-making system around Jev (TypeSafe System One) decisions: deterministic state, calibrated judgments, hard risk vetoes.
50 ★ on GitHub
What it is
A 24/7 market-making trading system built around Jev, TypeSafe AI's System One decision model. Jev returns calibrated, typed decisions in ~70–500 ms — inside a 300 ms block budget. This repo is the system that calls it: state engine, judgment battery, policy engine, A-S pricing, hard risk vetoes, execution, and the…
Where the decision sits
jev-trader calls the hosted decision API rather than running its own weights. That keeps the project small and means its behaviour moves whenever the vendor ships a new model version. It also means an API key and a network round trip sit in the path of every decision.
Models it references: Jev.
How active it is
Created 2026-09-19, last pushed 2026-09-19, 50 stars and 9 forks when we read it on 2026-11-02. Everything in this category is weeks old at most, so a stale push date means something different here than it would on a mature project. Check the repository before you depend on it.
Find out what your data actually supports
We turn your historical decisions into a frozen test set, then tell you which model, which threshold, and how much of it you can safely automate.