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JEV

Open-source directory

Every project here really calls Jev in its source · refreshed daily

788projects
182runnable here
765code receipts

ALL 788 PROJECTSEvery project

src/typesafe_mario/policy.py
questions: {
  next_action: boolean,
  danger: score,
}
▶ runnable
@fhshaik★ 287

typesafe-mario

A TypeSafe/Jev agent that plays Super Mario Bros. from structured emulator state.

Games & simulationPython
tactics.py
questions: {
  risk: score,
}
▶ runnable
@RomanSlack★ 79

jev-drone

Camera-only autonomous drone in MuJoCo with a small judgment model (TypeSafe Jev) in the loop at 2.5Hz

Games & simulationPython
demo01/questions.mjs
questions: {
  team: choice,
  human_requested: boolean,
  refund_requested: boolean,
  // +3
}
▶ runnable
@kavehmz★ 10

typesafe-playground

Interactive experiments with TypeSafe Jev, from support routing to 3D driving simulations with real AI decisions and visible sensor inputs.

Games & simulationJavaScript
public/js/brain.js
questions: {
  lane_action: choice,
  speed_action: choice,
  hazard: score,
  // +1
}
▶ runnable
@vinilana★ 10

live-jev

2D autonomous car simulation in the browser, driven by TypeSafe's Jev decision model

Games & simulationJavaScript
server/pilot.ts
questions: {
  throttle: choice,
  yaw: choice,
  pitch: choice,
  // +3
}
▶ runnable
@arielweinberger★ 4

jev-autopilot

This demo uses Jev from TypeSafe AI to autonomously fly a drone in a random city from point A to point B, avoiding obstacles along the way. A trip costs $0.01.

Games & simulationTypeScript
public/world.mjs
questions: {
  line: choice,
  pace: choice,
  overtake: boolean,
  // +1
}
▶ runnable
@bchaney★ 1

jev_speedway

Uses jev to control race cars on a virtual track

Games & simulationJavaScript
test/helpers.mjs
questions: {
  next_move: choice,
}
▶ runnable
@kspviswa★ 1

chakravyuha-jev

Chakravyuha — a polar ring-maze where every move is a Jev (TypeSafe System One) decision. A fun experiment: the model picks each move, the walk grades it green or red, and the history page asks whether its confidence score can be trusted. BYOK, no build step.

Games & simulationJavaScript
backend/train-judge.ts
questions: {
  intent: choice,
  connection: choice,
  supported: boolean,
}
▶ runnable
@solhosty★ 1

last-train-jev

A small detective escape room built with TypeSafe Jev, React, and Express.

Games & simulationTypeScript
quackd/doctor.py
"jev (TypeSafe stepper)": ("typesafe_sdk", "quackd[jev]"),
@rokbenko★ 214

quackd

One CLI for all your robots. Connect them, command them, and let them work together, each with an LLM for a brain, Jev for cheaper steps. Microduck, Open Duck Mini, LeRobot, XLeRobot, AlohaMini, ToddlerBot or any ROS base. Claude, OpenAI, Gemini, Grok, or local via Ollama or vLLM. Simulator, .duck safety contracts, MCP, memory between runs, flocks.

Games & simulationPython
server/jev.js
const res = await fetch("https://api.typesafe.ai/v1/systemone", {
@standardagents★ 99

jevpilot

A playable Three.js driving simulator with Jev-powered autopilot

Games & simulationJavaScript
server/index.ts
import { TypeSafeClient, choice } from "@typesafe-ai/sdk";
@sorrycc★ 18

typesafe-snake

Snake auto-played by TypeSafe's Jev model: one System One choice per tick, legal moves and facts generated in code

Games & simulationTypeScript
tsai_sc/typesafe.py
API_URL = "https://api.typesafe.ai/v1/systemone"
@phyous★ 17

tsai-sc

TypeSafe Jev controls original StarCraft shareware through keyboard and mouse with recorded action probabilities.

Games & simulationPython
src/jev_libero/client.py
"typesafe": ("https://api.typesafe.ai/v1/systemone", "jev-latest", "TYPESAFE"),
@Dimweaker★ 10

jev-libero

Fine-grained robot control with Jev, physics previews, and configurable LIBERO tasks.

Games & simulationPython
apps/server/src/jev.ts
TypeSafeClient,
@AbdelStark★ 6

heist-one

Observable browser stealth game: Jev makes typed guard judgments while deterministic code owns the world.

Games & simulationTypeScript
server/src/jev.ts
import { choice, noul, TypeSafeClient, type EntryType } from "@typesafe-ai/sdk";
@emrickgarrett★ 5

OneVOneJev

1v1 Jev quickscope arena — Three.js + TypeSafe System One

Games & simulationTypeScript
lib/typesafe.mjs
export const TYPESAFE_BASE = process.env.TYPESAFE_API_BASE || "https://api.typesafe.ai";
@trungdq88★ 5

jev-tetris

Jev play Tetris in real-time against other AI models

Games & simulationJavaScript
server/typesafe.ts
try{const response=await fetch('https://api.typesafe.ai/v1/systemone',{method:'POST',signal:controller.signal,headers:{'content-type':'application/json','author
@lukaske★ 4

jev-doom-agent

A browser-native Doom agent experiment with structured spatial state, composable AI controls, live decision telemetry, and a Chocolate Doom WebAssembly runtime.

Games & simulationTypeScript
emulator.py
reply = requests.post("https://api.typesafe.ai/v1/systemone", json=request,
@anxkhn★ 3

JevPlaysPokemon

Jev plays Generation 3 Pokémon via Showdown and a real FireRed ROM.

Games & simulationHTML
server/jev.js
const res = await fetch("https://api.typesafe.ai/v1/systemone", {
@atarikcaliskan★ 3

jevball

22 Jev models, one ball: a 3D football match where every player is its own Jev (TypeSafe AI System One) decision. Watch, or take over the number 9.

Games & simulationJavaScript
jev_plays_pokemon/agent.py
from typesafe_sdk import Choice, Noul, RetryPolicy, TypeSafeClient
@milanboers★ 3

jev-plays-pokemon

Playing Pokemon Red using TypeSafe Jev

Games & simulationPython
brain/jev_vs/jev_client.py
from typesafe_sdk import AsyncTypeSafeClient, Choice, RetryPolicy
@oldmoldycake★ 3

jev_vampire_survivors

TypeSafe's Jev model plays Vampire Survivors on Steam: BepInEx plugin + Python brain + live decision dashboard. Native Linux only.

Games & simulationPython
jev_robotics/common.py
endpoint = "https://api.typesafe.ai/v1/systemone"
@TarunTomar122★ 3

jev-askable-arm

Zero-shot English goals on a sim Franka. Jev chains hardcoded primitives.

Games & simulationPython
lib/jev.mjs
export const MODEL = 'typesafe/jev-1.13';
@vtrivedy★ 3

jev-plays-games

Chess, Connect Four, and a decision model. Play Jev or watch Jev play itself.

Games & simulationJavaScript
scripts/verify-live.js
import { choice, noul } from '@typesafe-ai/sdk';
@Dimesio★ 2

typesafe-chess

FUn little experiment with Typesafe AI Jev Model playing chess against stockfish :)

Games & simulationJavaScript
jev2048/model.py
API_URL = "https://api.typesafe.ai/v1/systemone"
@erhanmeydan★ 2

jev2048

TypeSafe'in Jev karar modeli gerçek bir online 2048 sitesinde oynuyor — hamle başına tek API çağrısı, tek anahtar.

Games & simulationPython
src/embodied_jev/policies.py
return {"url": "https://api.typesafe.ai/v1/systemone", "key": os.getenv("TYPESAFE_API_KEY", ""), "model": os.getenv("TYPESAFE_MODEL", "jev-latest")}
@FBddcz★ 2

embodied-jev

EmbodiedJev: MuJoCo robot decision workbench with MiniCPM5-2B, Jev and compatible model APIs

Games & simulationPython
source/providers.js
typesafe:Object.freeze({id:'typesafe',label:'TypeSafe',endpoint:'https://api.typesafe.ai/v1/systemone',modelsEndpoint:'https://api.typesafe.ai/v1/models',envKey
@JacquesGariepy★ 2

ORIGIN-CIVILIZATION

AI life-and-civilization simulation: TypeSafe Jev makes every decision (typed, probabilistic, auditable); LLMs plan — OpenAI-compatible APIs, local models (Ollama, LM Studio), Claude Code, Codex.

Games & simulationHTML
apps/shogi-server/src/jev.ts
import { choice, TypeSafeClient } from '@typesafe-ai/sdk';
@jammaru★ 2

jev-lab

100 AI NPCs live in a tiny town. Jev chooses the next action; the world writes the story.

Games & simulationTypeScript
jev.py
API_HOST = "api.typesafe.ai"
@lavallee★ 2

mk-jev-fly-brain

A maleCNS fly-brain connectome fights a language model in mk.js — spiking simulation, dopamine learning, and the controls that say what each side contributes

Games & simulationJavaScript
lib/server/jev.ts
import { choice, type EntryType, TypeSafeClient } from "@typesafe-ai/sdk";
@raihankhan-rk★ 2

jevarena

JevArena — two Jev agents duel in click-only browser games (Browser Use + TypeSafe Jev)

Games & simulationTypeScript
src/jpp/policy.py
DEFAULT_BASE_URL = "https://api.typesafe.ai"
@valentynkit★ 2

jev-plays-pokemon-red

Pokemon Red on PyBoy: code owns the route and the arithmetic, Jev picks at branches in about 100 ms, calibration measured instead of assumed

Games & simulationPython
play.py
JEV_URL = "https://api.typesafe.ai/v1/systemone"
@4esv★ 1

jev-mario

TypeSafe Jev plays Super Mario Bros from a text description of emulator RAM

Games & simulationPython
server.mjs
*   POST /v1/systemone         Jev at TypeSafe, which refuses requests from browser pages
@choxos★ 1

jevchess

Jev, TypeSafe's System One model, plays chess against any OpenRouter LLM, Stockfish and you. One-page web app with live moves, Jev's move probabilities, saved games and win rates.

Games & simulationJavaScript
jev_agent.py
from typesafe_sdk import Choice, Noul, TypeSafeClient
@FazalAAli★ 1

jev-robotics-demo

Jev (TypeSafe System One) vs Claude Opus 5 driving a simulated robot arm in MuJoCo

Games & simulationPython
jev_sc2/__main__.py
if event != 'jev':
@golergka★ 1

jev-plays-starcraft-2

An experiment in fast, probabilistic decisions. Jev chooses actions; Python handles

Games & simulationPython
public/app.js
`,e+="     a  b  c  d  e  f  g  h",e}perft(e){let t=this._moves({legal:!1}),n=0,i=this._turn;for(let r=0,a=t.length;r<a;r++)this._makeMove(t[r]),this._isKingAtt
@hemanth★ 1

jev-chess

Chess moves, evaluations, persona opponents, and game classification with TypeSafe AI System One

Games & simulationTypeScript
src/jev_games/run_lookahead.py
response = client.post('https://api.typesafe.ai/v1/systemone', json=payload, timeout=min(20, remaining))
@IAnMove★ 1

jev-game-agent

Experimental Jev game agent: RAM, emulator lookahead, checkpoint search and verified recordings. Bring your own ROM and BizHawk.

Games & simulationPython
src/typesafe.mjs
const API_URL = "https://api.typesafe.ai/v1/systemone";
@Icohen007★ 1

jev-play-ping-pong

Jev plays browser table tennis in real time: structured telemetry, typed decisions, ordinary Chrome inputs, and auditable evidence.

Games & simulationJavaScript
server.mjs
const TYPESAFE_URL = 'https://api.typesafe.ai/v1/systemone';
@jaibhasin★ 1

jev-flappy-bird

Jev learns to play flappy-bird game with physics based context and without it

Games & simulationJavaScript
backend/jev.py
Endpoint: POST https://api.typesafe.ai/v1/systemone
@KyleKreuter★ 1

jev2048

Let Jev (TypeSafeAI) solve 2048

Games & simulationTypeScript
spikes/m0-jev/src/probe.ts
import type { JsonValue, Questions } from "@typesafe-ai/sdk";
@lmvdz★ 1

rpg-jev

A living-world RPG whose NPCs are decided by TypeSafe's Jev judge model; code owns rules, numbers and state.

Games & simulationTypeScript
src/core/Oracle.ts
import type { SystemOneResult } from "@typesafe-ai/sdk";
@phureewat29★ 1

jev-got

Jev (TypeSafe AI) PoC through Game of Thrones

Games & simulationTypeScript
civ2/typesafe.py
API_URL = "https://api.typesafe.ai/v1/systemone"
@phyous★ 1

tsai-civ2

TypeSafe Jev plays original Civilization II in a browser, with live action probabilities. Experimental full-game harness.

Games & simulationPython
src/server.ts
const API_URL = "https://api.typesafe.ai/v1/systemone";
@studee★ 1

jev-games

TypeSafe Jev arcade

Games & simulationTypeScript
src/jev_mine_sweeping/config.py
endpoint: str = "https://api.typesafe.ai/v1/systemone"
@sxinyuhoo★ 1

jev-mine-sweeping

用 TypeSafe Jev(System One)驱动扫雷自动通关:HTML 扫雷页每走一步实时问模型,并把它的选项、概率、代码已证明的事实全部可视化。Play Minesweeper with TypeSafe Jev (System One): an HTML game that asks the model every move and visualises its options, probabilities and the facts the code proved.

Games & simulationPython
server.js
import { choice, TypeSafeClient } from "@typesafe-ai/sdk";
@tanayvasishtha★ 1

Slither-Me-Jev

8 AI snakes, 1 human, 1 arena. Every snake is driven live by TypeSafe's Jev, making all decisions in real time

Games & simulationJavaScript
server.js
const UPSTREAM_URL = 'https://api.typesafe.ai/v1/systemone';
@tubone24★ 1

jev-practice-speed

トランプの スピード を、CPU 側の頭脳に TypeSafe AI の Jev を使って対戦する WebGL デモアプリ。Jev の判断速度と判断精度をリアルタイムに計測して見せることが目的。

Games & simulationJavaScript
typeevac/jev_decide.py
def __init__(self, model="jev-latest", url="https://api.typesafe.ai/v1/systemone", threads=4):
@using76★ 1

TypeEvacSafe

화재 피난자 개인별 판단 엔진 — 타입 안전 판독(Bonsai 2 27B / TypeSafe Jev) + 소셜포스 이동, FDS-GPU 화재장 위에서 역할·구조·경로 결정 · Meteor Simulation

Games & simulationPython
server.mjs
const response=await fetch('https://api.typesafe.ai/v1/systemone',{method:'POST',headers:{Authorization:`Bearer ${process.env.TYPESAFE_API_KEY}`,'Content-Type':
@XieChengYuan★ 1

jev-gomoku

弈瞬:双 Jev 五子棋九宫格输入实验台,逐手查看模型决策,支持真实对局回放与实时对战。

Games & simulationJavaScript