Applications for Jev — page 14

TypeSafe Jev (System One decision model) as a decision layer for DeepSeek Harness: typed decisions, confidence-gated routing, a cost meter, and an automatic prompt-injection guard over untrusted tool results.

A hundred hands through Git history — reproducible commit analytics powered by Jev.

🎯 A Jev-powered decision engine and visual studio that prices uncertainty and asks the question that matters.

Grep-shaped semantic search for files and records, with a shared programmable query core

Jev-routed multi-model orchestration for Claude Code: cheap work to cheap models, hard work to strong ones, verified.

jeff, a Discord bot that is nothing but Jev decisions from TypeSafe, built with botbox

Code highlighting using Jev

PowerShell decisions with TypeSafe AI's Jev model: https://typesafe.ai/blog/introducing-system-one-models-and-jev

jev

飞书 Jev 回复助手：点一条消息，看懂对方、给出可直接复制的回复。发不发由你。

Watch TypeSafe's Jev play chess against itself, or play against it. FastAPI + python-chess.

Toy projects testing Jev (TypeSafe System One): snake autopilot, Todoist sorter, HN re-ranker, Dangerous Dave autopilot

Jev (TypeSafe's classification-only model) plays Slay the Spire 2 autonomously. Fast, cheap decisions, no text generation

Solo Tetris where TypeSafe's Jev decision model picks every move live through the Vercel AI Gateway.

Drop-in relevance filter for LangChain RAG retrievers powered by TypeSafe Jev.

Interactive 3D Rubik's cube: code solves, TypeSafe's Jev coaches your hand solves

Spring Boot 4 bookstore API using TypeSafe Jev typed judgments via jev-spring-boot-starter

Independent Jev / System One reference with API examples, implementation guidance and reusable prompts for engineers and coding assistants.

An AI companion that replies only with facial expressions. Jev (TypeSafe System One) judges your message and picks 1 of 14 moods; blobatar morphs its face. React + Vite + Bun.

AI text rewriting and document summarization with Jev checks for missing ideas and automatic repair. Local editor and CLI.

Independent JEV-inspired System One-style typed decision research for clinical evidence, biomedical NLP, calibrated probabilities, and sleep signals