Projects built with Jev

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Byte predicts rock-paper-scissorsCan Jev read a human? Play rock paper scissors against Byte. Every round he predicts your next throw before you make it, then plays against that read. His move is committed before you pick, so he can't change it after. Stakes settle over Ark. Try it 👇Carlos Marques3.5K views on X

A browser-agent stress testPeople keep thinking Jev is useful for browser use! It is not. It completed about 5 actions before collapsing in a non-cheated test. It's a cool model but not for this.SSH≈ 10.6K views on X

Jev beats Super Mario Bros.Jev beat Super Mario Bros. Every moment, the simulator returns structured data of the game's current state, such as Mario's position, nearby enemies, and terrain, and simulates possible actions like jumping and running. Jev returns a probability distribution for the next chosenIshu Agrawal1.5K views on X

Making beats by talkingJev is insane. SOUND ON!!! I made music just by talking to it. "Add a snare on the backbeat." "Make it darker." "Way faster." "Add scratch on the offbeats and make it trippier." Every sentence becomes a new beat in ~200ms. No menus, no clicking steps, no chatbot. You justMahir1.3K views on X

Whose Jev Is It Anyway?I'm laughing out loud. I turned Jev into an improv judge. Introducing: 'Whose Jev is it Anyway?'Charlie Molthrop12.2K views on X

Voice commands for Autumn billing🚨Do not record Jev demos while @ogme01 flies a drone over your desk 🚁 You can now dictate attaches, updates, schedules & more in the @autumnpricing dashboard, no more manual edits Safe to say my tenzing tower didn't survive this one tho 😭Charlie Lamb3.6K views on X

Jido agents play tic-tac-toeJido Jev + ReqLLM playing Tic Tac Toe Each agent makes Jev calls to determine their next move, pretty fun! Now time to scale up ...Mike Hostetler // Actors & Agents on the BEAM1.6K views on X

Emotions expressed in beepsgave jev a way to express some emotion and chat with beeps (sound on 🔊)Yohei44.7K views on X

Danish stock-market backtestJev trading the danish stock market for all of 2025(239 trading days). Sentiment-based on market data, news articles, wikipedia & google trends. 8.1 million tokens for $0.32 🤯Tommy Jepsen≈ 122.6K views on X

Maxfusion competitor-ad researchJEV is insane for competitor research! We gave it Resilia's ad library It classified 1,891 ads in 19 seconds for $0.12 costumer journey step + Ad style And a complete deep analysis of the account Coming soon to maxfusion MCPStav Zilbershtein≈ 168.9K views on X

Jev tries drawing on a pixel canvasgave jev a pixel canvas to see if it could draw... nopeYohei≈ 10.5K views on X

Jev's Dojo fighting coachLet Jev roast your fighting habits 👇Vansitha≈ 92.6K views on X

Starchild prompt routingStarchild just became the first professional-grade app to integrate Jev from @typesafeai We use Jev to help route to LLMs which gave a 20x decrease in cost and 6x increase in speed for prompt classification Here it is classifying prompts in real-time (avg time was 140ms)Starchild5.6K views on X

Flappy Apex plays itselfThat’s Jev playing Floppy Apex, passing the previous best score and not thinking of stopping anytime soon 🏆 It was wired up by Apex via Appduct, with some adjustments made in Fable. @AgentConfSzymon Chmal1.4K views on X

Filtering AI slop from YouTubeUsed Jev to build a chrome extension that filters out AI slop on YouTube. It's BYOK, works on scroll and caches results.Mario Jankovic1.5K views on X

A job crawler that matches your profileI rebuilt my job crawler with Jev. The task: start at a company's official homepage, find Careers, and identify jobs that match my profile. Before, with an LLM: ~5 minutes. After, with Jev: just over 20 seconds in my test. Every company organizes its website differently. JevKai≈ 24.8K views on X

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