Updated Oct 3, 2026

What people are building with Jev

Projects, posts and guides about Jev, the System One model from TypeSafe AI. Each entry links to its source and shows the cost and speed its author reported.

Browse the builds What is Jev?

756builds
164guides
21use cases

GitHubSecurity and abuse
UXRay
A screen overlay that flags manipulative interface patterns.
Mohammad Zohaib
0
GitHubGames and real time
typesafe-jev-dojo
A graphical dojo: routing, Tetris, swarms and a gauntlet.
LaFollett Labs
0
Sponsoredoutrank.so
Outrank
Outrank - Grow Organic Traffic on Auto-Pilot.
GitHubSales and leads
clay-jev-people-ranker
Lead scoring in Clay, ranked by Jev instead of a prompt.
PromptGTM
1
GitHubTrading and markets
fedjev-bench
Does Jev hear a rate rise coming in an FOMC statement?
maybern-tripp-smith
0
GitHubBenchmarks and evals
jev-acento
A pre-registered audit of how Jev handles Spanish.
Marcos Martinez
0
GitHubGames and real time
A leveling agent that gets cheaper as it runs
A guide-directed WoW agent designed to spend less the longer it plays.
chalkychalk42
0
Guidegithub.com
awesome-typesafe
Official resources and community projects for TypeSafe, System One models and Jev.
Guidegithub.com
yibie/awesome-jev
Public Jev projects, integrations and discussions, sorted by category.
Guidegithub.com
cobanov/awesome-jev
A source-backed list of projects built with Jev.
Guidegithub.com
fatwang2/awesome-jev
A source-backed project directory, with a GitHub review workflow that uses only Jev.
Guidegithub.com
Papers and open reproductions
OmniJev’s list of the papers, open reproductions and independent evaluations behind System One models.
Guidegithub.com
awesome-jev-projects
思维怪怪’s source-backed radar of the open-source ecosystem, in English, Chinese, Japanese and Korean.
GitHubOpen source
Pick
Laya
Open weights that answer typed questions in one forward pass, 33 ms on a T4.
Nandakishor M
27.1k
Guidegithub.com
awesome-jev (verified catalog)
A community-maintained catalog that claims 433 verified open-source projects built with Jev.
Sponsoredgranola.ai
Granola
The AI notepad for back-to-back meetings.
Guidegithub.com
jev-skill
Oscar Wu’s collection of Jev use cases, workflows and agent skills, gathered in one repository.
GitHubInbox and support
Pick
jev-chat-jarvis
A reply co-pilot for phone chat apps: it reads the screen and drafts, you send.
jev-chat
6.8k
GitHubOpen source
Pick
rizzo-flow
The open, local take on Jev: typed decisions without generating a token.
Rizzo AI Academy
708
GitHubAgents and browsers
JevHarness
LLM-written Jev harnesses, with reward reflection over the full trajectory.
TianyuCodings
332
GitHubSDKs and integrations
jev-workflow-builder
Build a Jev workflow visually.
CTNicholas
148
GitHubOpen source
jev-dataops
A workbench for data selection, quality scoring and LoRA training.
RenaGao
60
GitHubBenchmarks and evals
jev-calibrate
Tune your Jev questions against your own labels, then confirm on held-out data.
smkrv
32
GitHubInbox and support
jev-chat-windows
A WeChat reply helper for Windows: screenshot, local OCR, three drafts.
jev-chat
632
GitHubOpen source
KaLM-Jev
A local judgement engine in Nano, Small and Large sizes.
KaLM-Embedding
36
GitHubOpen source
laya-ultrafast
jev-ultrafast, with Laya in place of Jev.
ipenywis
218
GitHubGames and real time
laya-vs-jev
Local MLX and hosted decisions playing T-Rex side by side.
Viraj Bhartiya
106
GitHubBenchmarks and evals
Jev-Quantum
A sub-microsecond System 1 model whose accuracy is a Gaussian.
karminski
33
GitHubRobotics and devices
Jev-as-Policy
One-click simulation setup with Jev as the control policy.
YuanKJing
45
Sponsoredpostiz.com
Postiz
The Agentic Social Media Scheduling Platform.
GitHubGames and real time
laya-vs-jev-arena
Two decision models race in Snake, then fight in an arena.
PromptEngineer48
30
GitHubSDKs and integrations
jeview
A local visualiser: every Jev call your code makes, live.
andududu
59
GitHubCoding and code review
jev-test-filter
Score every test against a git diff, then emit the runner arguments.
mizchi
29
GitHubInbox and support
jev-chat-jarvis-mac
A macOS overlay that judges message intent and risk, then drafts.
jev-chat
429
GitHubUI
jev-design-test
A shadcn block generator with Jev picking the block.
bhaiG-de
29
GitHubSocial feeds
twitter-jev-guard
Low-quality, spam and ad posts get a translucent watermark.
qs-lll
9
GitHubTools and apps
evoke
Software by reflex: a sentence picks a small program and runs it.
evoke-build
19
GitHubOpen source
AnyJev
Turn any LLM into a Jev-style decision model, with no training.
Nokia Applied Research
861
GitHubSDKs and integrations
discern
Uncertainty-aware pattern matching and control flow for Effect.
doeixd
15
GitHubGames and real time
JevPokerBench
A Texas Hold'em benchmark for decision models, with leaderboards.
ProphetLab
11
GitHubOpen source
open-jev (PyTorch)
A from-first-principles rebuild of the ideas behind Jev.
Kye Gomez
42
GitHubGames and real time
hermes-and-jev-play-minecraft
Hermes plans, Jev picks bounded actions, Mineflayer executes.
Teknium
10
GitHubAds and marketing
hookmeter-jev
Millisecond viral hook telemetry, in a Chrome extension.
ehui1226
22
GitHubSDKs and integrations
jev-foundation-models
A Swift 6 bridge from Apple's Foundation Models to Jev.
Peter Friese
49
GitHubEcommerce
jev-weekend-shopping-chrome
While you shop, Jev guesses the seller's working hours culture.
littlewindy123
8
GitHubOpen source
djev
Jev-style structured decisions on DiffusionGemma.
Matt Mastracci
100
GitHubRouting and model choice
codex-jev-router
Route Codex work through a Jev decision.
tiandee
5
GitHubOpen source
JevTuner
Tuning for Jev-style decisions.
liushiliushi
14

Jev GitHub repos

Code you can read, fork and run: jev-ultrafast, OpenJev, nanojev, jevlike, simplejev, jev-trader, jev-mcp and the rest. Each repo calls Jev for a decision — which link to follow, which bucket a ticket goes in, which move to make — and the figures on a card are the ones its author published.

318 builds and 12 guides