Community projects / 17 listings
Games and robotics
Playable and physical-world experiments pair Jev judgments with deterministic environments. A successful run demonstrates that task and setup, not general reliability.
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1 Million Emojis
Shared 1000 × 1000 emoji canvas, live for everyone: visitors paint strokes, and after each one Jev chooses a square next to it and its emoji as one Choice over named (square, emoji) pairs, its pick sampled from its probabilities (source).
Chess with Jev
Browser chess and Chess960 where code works out every legal move's facts (exchanges, mates, threats) and Jev picks one per turn as a single Choice, with its candidates drawn as arrows (source).
EmbodiedJev
MuJoCo decision workbench for a Franka Panda arm that compares TypeSafe Jev candidate decisions against rule baselines and other models across pick, place, and obstacle tasks; structured simulator state goes to TypeSafe when Jev is selected, and simulated task completion is not physical-robot reliability.
HEIST//ONE
Observable browser stealth game where Jev supplies batched typed judgments for six guards while deterministic code owns the simulation and validates every proposal; includes a Decision Lens, scripted offline mode, evidence traces, tests, and one documented live sandbox extraction.
Jev Chess
Anyone can play Jev on a shared chessboard. One Choice question covers every legal move; probabilities shade the board. Its confidence panel uses a narrow, one-ply material check. Source is closed.
Jev Driver
Browser driving demo where Florence-2 captions each image you drop on the road locally, and a Cloudflare Worker sends only the caption and its lane or sidewalk to Jev, asking three Choice questions (action, category, speed limit) whose answer drives the car with no rule table overriding it, and code falls back to fixed per-zone behavior only when captioning or the request fails; live at drive.mrza.ch, with a ~357 MB first-visit model download and WebGPU recommended.
Jev Drone
MuJoCo quadrotor stack that keeps control and safety in code while using Jev for slower tactical judgments.
Jev Minecraft Agent
Astra plans while Jev selects bounded actions from structured Minecraft state through Mineflayer. The author reports an 8-minute-43-second dragon kill and exit in Survival/Peaceful mode on a preselected seed with a naturally active End portal; source and local tests are public, but the recording and per-run event log remain local, so that run is not independently replayable from the repository.
Jev Plays Pokémon
A Pokémon agent that lets you emulate GBA games and has Jev make the battle decisions based on the current stats, state, moves, and Pokémon.
Jev plays Snake
Browser Snake demo where code computes legal moves, food distance, and reachable space, then asks Jev to choose one move per tick through a server-side SDK call; a late answer leaves the snake going straight. Requires an API key; the public source has no license.
Jev Plays StarCraft
Structured-state harness, verified run, probability trace, and evidence bundle for the original StarCraft shareware campaign.
jev-physical-ai
Reproducible warehouse-fleet triage demo with 300 Jev calls, raw results, and a local-model cost comparison; incidents are simulated from templates, and no robot hardware or production accuracy was tested.
jev-plays-pokemon-red
Pokémon Red on PyBoy where deterministic code owns the route and arithmetic and Jev picks only at branches, with every battle turn's faint prediction scored by Brier against the emulator's RAM state.
Magic Jev Ball
Playable 3D Magic 8 Ball whose Convex backend sends a question to Jev through Convex AI Gateway as a Choice over the 20 classic answers, then displays the full probability distribution and highest-probability answer; the question and result are stored in the app's Convex database, and users do not supply an API key.
PlayJev
Open 0.8B model that plays ten browser games from the frame alone, one forward pass per move, with public weights and a browser demo.
quackd
Robot orchestration CLI with an optional Jev stepper for choosing among permitted discrete calls while an LLM still writes poses and prose and the executor enforces safety gates; one arm has run on hardware under the LLM pilot, but the Jev stepper has not been measured on a physical robot.
TypeSafe Mario
NES controller experiment that turns emulator telemetry into structured state and has Jev choose legal actions.
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