Jev (TypeSafe System One) finance & trading projects — surveyed 2026-09-20

A survey of GitHub and community awesome-lists conducted on 2026-09-20 catalogued finance and trading projects built on Jev, TypeSafe AI's System One decision model released five days earlier. The reference implementation, jarrodwatts/jev-trader, makes one AI trade decision per Monad block (~300 ms) by reading the Kuru MON-USDC order book and posting post-only limit orders, and has been ported to Hyperliquid with five isolated sleeves and live fills. An IRS tax-document page classifier built on Jev reported 100% strict accuracy across 261 forms at roughly $0.001 per page, 34× cheaper and 6× faster than the team's prior LLM pipeline, while the survey noted a consistent pattern that "Jev judges, code executes.

Jev TypeSafe System One — Finance & Trading Projects Projects using Jev, TypeSafe AI's System One decision model released 2026-09-15 , in investment, trading, and financial-data contexts. Surveyed 2026-09-20 via GitHub API and community awesome-lists. Reference project jarrodwatts/jev-trader ★1.3k, 2026-09-16 — One AI trade decision every Monad block ~300 ms . Jev reads the Kuru MON-USDC order book and answers buy or sell; the bot posts a post-only limit order one tick inside the touch, earning the spread. Bun/TypeScript, dry-run mode, SSE dashboard. The template most projects below derive from. jev-trader ported to Hyperliquid. Five isolated sleeves BTC/ETH/SOL/DOGE/BNB , five wallets, real fills. Jev answers long/short then open/close/hold via Choice. Live desk Open-source AI Trading OS crypto, stocks, forex . Added Jev post-release as a "pre-trade decision gate" in front of the LLM gate. Largest Jev integration by stars Hong Kong stock direction forecasting. AKShare fetches target + HSI + HSTECH; Jev answers up/flat/down as Choice; standalone HTML reports. Careful treatment of probability calibration IRS tax-document page classifier: 261 forms, 100% strict accuracy on their corpus, ~$0.001/page 34× cheaper, 6× faster than their prior LLM pipeline Empty / placeholder repos maxlibin/moomoo-jev-trader Moomoo dashboard, intended , Pastorkid/jevTradingBoth, hifizz/jev-finance-benchmark — created but no content yet. Observed patterns "Jev judges, code executes" is universal. Every project gives Jev only typed judgments Choice/Noul/Score over compact state; thresholds, risk vetoes, and order placement stay in deterministic code. The buberlo redesign makes this separation most explicit.