Projects built with Jev

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JevLM word-by-word writingJevLM. Uses N-gram stats to suggest words that jev picks from. If it doesn't see the word it wants, it can start spelling it. If it make a silly mistake it can backspace. I also tried a proofread pass, but it mostly had no effect. @CompleteSkeptic @typesafeaiClaude

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 Chmal

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 Jankovic

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

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 scorealaska

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 Hancock

Real-time browser ad cleanupWanted to see how fast Jev really is, so I built a Chrome extension that traverses the DOM and cleans up ads in real time. And holy shit, it’s reallllyyyyy fast ⚡ traverses the DOM finds the annoying stuff removes it almost instantly Jev is kinda insane 🫨Shahid

Jev vs EveryoneEveryone wants AI to align with human values. Whose values? I built Jev vs Everyone. Pick a side on questions about loyalty, money and relationships. Then see whether Jev and other people agree. Find the question that divides us.Yan Gaitsgory

Blender modeling with Jev evaluationI use OpenCode just to use the free chat model API, asking it to help me create a 3D airplane model in Blender, using JEV as the evaluation standard. The results are really impressive. . JEV is truly amazing, all I did was let it automatically performHar

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 theKaushik

A healthcare intake workflow prototypeHealthcare intake is the hard case for AI triage: complex workflow, safeguards everywhere, a human able to check every decision. We moved the decision step from an LLM to Jev (@typesafeai): 25 typed questions, 0.29 s, $0.00015, code walks the workflow. Method, numbers, limitsrmz 🌱🌐 - 🐺

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

Auto-decline cookies and popupsok so you can also make Jev auto-decline cookie banners and pop ups now here's a demo of it working on different websites (gymshark, fashionnova, nypost)Christopher

Figma requirements checkerI was playing around with Jev and to test it built a Figma plugin. you give it a requirements doc, select your frames, and it tells you which requirements actually show up in the designs and which don't. Seems pretty good honestlyFurkan

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 Sotak

Customer-message benchmarkJev shipped three days ago and nobody had benchmarked it. So I did. 60 real-shaped customer messages. Same questions, same conditions, zero retries. Jev vs GPT-4o-mini vs Claude Sonnet 4.5. Jev was right 157 times in a row. The system still failed. Speed first, the leastshogo

Plain-English code lintingANOTHER JEV USECASE: a linter where the rules are plain english sentences. "swallows errors." "hidden side effect." "does too many jobs.", etc jev scores every function against all 14 in parallel. zustand: 29 functions, 464 judgments, 2.6 seconds, a fifth of a cent. syntaxAhmed Gagan

Medusa documentation recommendationsExperimenting with the @medusajs docs and @typesafeai 's Jev: get documentation recommendations based on your use case right from the documentation homepage. What do you guys think?Shahed Nasser

EasyFinder intent-based product filtersI made a tool that allows customers to create their own filters 👀 with JEV this is the first time it actually feels instant > type "for the winter" and it classifies every product on the fly, based on the product information with EasyFinder we've been chasing intent-basedrowansail

LinkedIn outreach analysisI can now predict the performance of a LinkedIn outreach message before it's sent. 🤯 I just ran 74,284 real LinkedIn messages through Jev, TypeSafe's new model. 7.9 million answers. 521 million tokens. The whole thing cost me $22. Here's what the analysis uncovered...James Pardoe

Pigeon target-shooting gameCrazy!! I made a pigeon shooting game for jev🤯 it tracks where the target is and shoots. bye bye latency going to test for chessYaseen Ammaar

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 Rosson

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 fastkaize

Excuse CourtWe got access! And in this video we explore @typesafeai's Jev, our first hands-on, then build Excuse Court with Codex: structured questions in, probability estimates out. Cat trouble or alien abduction: what would you test with it?Reindent

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.Zaid

A website composed for each readerThis website has no pre-built pages. They're composed per reader in ~400ms. @typesafeai's Jev makes typed judgments & a renderer assembles approved components. The future of web design isn't AI writing code. It's letting every reader decide how the page is built.mattgi

Fast pull-request walkthroughsOkay, I see the vision @typesafeai This problem has been plaguing me for months. LLMs on their own were taking ~5+ minutes to generate review walkthroughs of even small PRs. With Jev? A few seconds at most. GAMECHANGER.thud

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 🧪

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 🧪

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.Taufique

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

Three Jev bots in an FPSI put 3 JEV bots inside a FPS game.Tommy J. Vedvik

Detecting slop in the X timelineMade an X slop detector with Jev Jev flageed @sama as slop, sorryAkbar Ali

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 Richelsen

Expert Minesweeper: Jev vs MistralJev vs LLM (Mistral Nemo) playing minesweeper in Expert mode. Trying to push it to play a 200x200 board.Vino

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