Projects built with Jev

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Choice versus Noul trolley dilemmasi was curious if @typesafeai 's jev would make different judgements if you push a problem through a Choice vs. a Noul, so i ran it through a short series of trolley problems the only time they disagreed on judgement? deciding whether or not its worth killing more people to scorealaska1.5K views on X

Just-in-time model selection in GooseExperimentation with Jev from @typesafeai and our harness @goose_oss Use Jev to take a prompt and JIT select a model just before the turn runs. Jev and models like it will be useful in many areas and this is just early prototype code on a first ideaAlex Hancock1.1K views on X

Measuring progress in agent tracesGot early access to @typesafeai Jev and spent a few hours building on it. The problem I keep hitting: agent traces tell you which tool ran, how long it took, what it returned but never whether the agent is actually getting anywhere. An agent editing, testing and reverting theKaushik1.6K views on X

Intelligent autofill buttonsI love that Jev can fit into basically any app. You don't need to build everything around a chat, you can just integrate intelligent features into the background, like these auto-fill buttons. Much better UX than with slow LLMs. Feels like the missing piece!Chris Nicholas≈ 41.2K views on X

Inline Manual contextual helpAdaptive real-time in-app support with Jev + . It detects where you're struggling and quietly adds help directly into the UI - explanations, suggestions, even actions. Jev figures out if and where you're struggling, then triggers the right functions whenMarek Sotak2.3K views on X

An X feed tuned to your bookmarksin 2026, why do you still get irrelevant posts on your X feed? built a feed optimizer with @typesafeai Jev. it's tuned on my own bookmarks, then every post goes through ONE call to Jev → 9 typed answers as probabilities: ragebait, ad, low effort, hostile, useful… and "wouldPaolo Rosson2.7K views on X

Claude Code context compactionI got access to Jev and immediately plugged it into Claude Code to see if it actually FIXES the biggest pain of agent workflows: context compaction > result: pretty wild Quick context for those who missed it: Every Claude Code session has a context window that fills up fastkaize3.4K views on X

Cascade Search typed query filtersA search bar that knows when it doesn't know. cascade-search is a 27K-parameter model that parses queries like "open bugs from sam since last week" into typed filters, in your browser, in 0.25 ms. When it isn't sure about a word, it asks Jev. Only that word.Zaid5.4K views on X

Contextual clipboard quick actionsJev also constantly monitors my macOS clipboard. Is the content of the clipboard a terminal command? The app offers a quick action to run it in my terminal.Marcel Pociot 🧪≈ 14.1K views on X

Automatically organize downloaded filesJev unlocks SO many awesome new ideas. I built a macOS app that monitors my Downloads folder along with a customisable set of rules. Is the downloaded file an invoice? Move it to a special folder with the correct filename. No other LLM calls involved - just Jev!Marcel Pociot 🧪≈ 136.6K views on X

Fight Jev with live decision probabilitiesFight Jev and see who's actually better. Integrated @typesafe_ai 's Jev model to control the enemy in real-time. You can see the live probability of every decision it makes right on screen before it strikes.Taufique4.7K views on X

A run at the Pokémon LeagueTrying to get JEV (@typesafeai) to beat the Pokémon League in Pokémon Gold (HGSS). Let’s see if it can become a Pokémon Champion 🏆 UP DOWN LEFT RIGHT A Bjoey≈ 10.1K views on X

Three Jev bots in an FPSI put 3 JEV bots inside a FPS game.Tommy J. Vedvik1.3K views on X

Instant team scheduling with Cal.comJev + API = find best overlap among team members in an instant the longest waiting time is our API call round trips 🤯 will come up with ideas how we can bake Jev into our productsPeer Richelsen8K views on X

Does Jev understand color?does Jev understand colour? incredible model, very cheap and fast. definitely feels like a leap forward for creating new UX/UI paradigms on top of modern language models.Matt DesLauriers≈ 498.2K views on X

Worth Replying finds relevant X discussionsWe built "Worth Replying" with Jev + AIsa. Drop in a company’s domain and it finds people on X already talking about the problems your product solves. We tested it on : > 150 tweets found > 750 Jev decisions in 18.8s > 79 worth replying to > 71 archivedAlsa1.4K views on X

Filtering unwanted X repliesPro tip: You can use Jev to remove annoying reply guy comments that X seems to always miss. Takes 5 minutes in Astra with the docs and an API key.Ian Nuttall≈ 17.5K views on X

Jev plays Clash RoyaleMade Jev play Clash Royale and actually won a match.Amrit Nigam2.7K views on X

Parallel adversarial browser testingthanks to @typesafeai's Jev we now have massively parallel browser-based adversarial testing suite that tries to break each release. and it costs pennies.Rafal Wilinski≈ 386.9K views on X

Paper Breakdown research recommendationsOrganically integrated JEV in a real project The Paper Breakdown Recommendation Engine We already had a working system that combines content-based and collaborative filtering. Pro users may now get additional curation with Jev. 0.0019$/user for ~70 recs 🤯 ~50 users in 5 secsAVB2.3K views on X

Jevton: a town of 120 peopleWTF !!! I pushed @typesafeai to a break neck decision making frenzy and it held up its own. Insane I built a town where Jev makes EVERY decision and never writes a single word 🤯 Jevton 🏘️ 120 people, 7 roads, 20 businesses, a council, a newspaper Every hour Jev decides forChizi6.8K views on X

A smart calculator notebooki made a smart calculator notebook using jev it can calculate ANYTHING!! 😅kitze 🛠️ tinkerer.club≈ 39.8K views on X

Scoring every shot in a video adJev is insane for ad research. I built a tool that scores every shot of any video ad on meta in 1.5 seconds. It runs on Maxfusion + @typesafeai I pushed 450+ ads through it in less than 3 minutes. It pulls any advertisers live video ads from Research Lab on Maxfusion.Vlad Dubchak≈ 13.5K views on X

Orus trade-strategy reviewAs promised, Jev is now integrated into Orus agents. What is Jev, and how can it help our agents? Jev is a model from TypeSafe AI, built to answer precise questions with structured answers. In Orus, it reviews the trades your strategy proposes, before they happen. It approvesOrus Agent3.8K views on X

Predicting the next shell commandJev picking the next command from shell historyThorsten Ball≈ 118.3K views on X

Instant calorie trackingi made a calorie tracking app with jev. it's INSTANT 🤯kitze 🛠️ tinkerer.club≈ 71.6K views on X

A robot arm picks up a ballI gave Jev a robot arm. Two USB cameras, an SO-101, and @typesafeai's Jev choosing the next move at ~2 decisions a second. After a slip and some debugging, it went back for the ball and got it into the bowl.Daniiar Abdiev≈ 18.4K views on X

Jevcal confidence-threshold calibrationEveryone picks Jev confidence thresholds by vibes. 0.95? 0.5? I built jevcal. Give it your data and say "I need 99% accuracy". You get the exact threshold, how much Jev can handle, and how much still needs an LLM. Open source, one command. @typesafeaiAbhishek kothari3.7K views on X

Jev attempts Resident EvilSo @typesafeai Jev knows how to shoot and dodge, but can Jev survives against zombies in 3D space??? I had Jev played the original Resident Evil to see how far Jev could go. This was an extreme case. 3D space, understanding objectives, fight off enemies, doing puzzles, etc.Jack Vinijtrongjit2.3K views on X

Voice-controlled FigmaControlling Figma with voice using Jev from @typesafeai Total cost from first line of code to recording this video: $0.01 🤯mikegee≈ 14.9K views on X

Every Pac-Man move chosen by JevBuilt a Pacman where every single move is decided by @typesafeai jev 👾 Every tile, Jev gets what is around Pacman and returns a direction, strategy, danger score, flags for trapped, committed, regret. That decision moves the tile. Finally an innovative model after a long time.Nesan Selvan1K views on X

Pokémon FireRed Elite Four runJev by @typesafeai is amazing! i let it play pokemon firered, and it was able to beat elite 4 with a party of level 40 pokemons. all under 0.03$Anas Khan5.4K views on X

Painting the Golden Gate Bridgei wanted to paint with Jev 🎨 watch this beautiful painting of the Golden Gate Bridge, powered by Codex(Astra) + Jev + @Stagehanddev + @browserbase (video at 1x speed)Shubhankar2.3K views on X

Skill Router for Claude CodeJust hacked a fun little project - Skill Router (Open source) using Claude and Jev @typesafeai Why? I have ~ 90 Claude Code skills installed and use maybe five. The rest are fine, I just forgot they existed, and Claude won't reach for a skill on its own unless you call it. SoLomesh Dutta2.5K views on X

MakerMods robot arm in MuJoCoGot @typesafeai Jev driving our @makermodsai Metal arm in MuJoCo. Images are of the sim camera is not passed in, sim hands Jev the state of the environment in JSON and it picks the next bounded action (hover, descend, grasp, lift, place) as a typed choice with a confidenceIsaac Sin8.4K views on X

Jev plays Time CrisisAlright. So we know that @typesafeai Jev can fight, but can Jev shoot and avoid getting shot? I had Jev playing one of my favorite arcade shooter, Time Crisis, to test it out. I would say it did pretty well, but it's also because I also gave it a pretty good harness. With oneJack Vinijtrongjit2.9K views on X