Apps
Official SDKs, third-party plugins, local experiments, and community demos, each linked to its repository or original post. Filter by category or search by name.
Community demo · Original post
Introducing typesafe/jev-router: a cache-aware model router powered by Jev and @typesafeai The Jev Router picks the best model and reasoning effort for each request, balancing quality, speed, and cost. Here's how it works 👇🏻
by OpenRouter
Community demo · Original post
i built a text box that turns into whatever(some ui) you type. powered by jev
by anish.
Community demo · Original post
Text classification in MotherDuck just got ~50x faster at ~1% of the cost. prompt_jev() is a SQL function powered by Jev, TypeSafe's new system one model. 100k rows: 40s, $0.50, frontier-LLM accuracy. The LLM took 32 min and $37. Read on:
by MotherDuck
Community demo · Original post
Realtime sentiment analysis with Jev and ElevenLabs. Each phrase takes on the color of the emotion it carries while the caller is still talking. Six meters on the right track the mood of the call.
by ElevenLabs Developers
Community demo · Original post
The bookkeeping services industry is dead. This weekend, I built a better solution using Jev from @typesafeai. I fed it 34 months of work a firm charged $20,000+ for. Jev did a better job in 20 seconds, for just $0.32 🤯
by Andy
Community demo · Original post
🎇 I made a small Chrome extension: a side panel that drives any site's WebMCP tools with Jev! When you type, on every keystroke it picks the relevant page's tool, fills in the arguments, and tells you how sure it is. Here it is grocery shopping:
by Sarah Drasner
Community demo · Original post
built a real-time writing linter powered by jev 📝 write custom rules like “flag anything that sounds like a linkedin post” receipt printer included 🖨️ (includes audio)
by jhey ʕ•ᴥ•ʔ
Community demo · Original post
Made a real-time presentation coach with Jev. It listens as you present, follows your slides and notes, and keeps track of what’s still left to say.
by Hakim El Hattab
Community demo · Original post
Introducing jevgrep - a research agent CLI powered by jev from @typesafeai that reduces your coding agent cost by 40% (verified on SWE-bench) Make sure to use the built in skill so your coding agent knows to use jg for context collection
by David
Community demo · Original post
Realtime scam detection using Jev and ElevenLabs. ElevenLabs transcribes the caller as they speak, Jev calculates total scam risk and detects common red flags. Each request came back in ~180ms, and the 11 requests cost $0.00043.
by ElevenLabs Developers
Community demo · Original post
The latest @ASIMOV_Platform release lands a built-in `--jev=NOUL` output filter, enabling agentic harnesses such as Hermes to offload simple natural language postprocessing decisions to Jev, a System One model Look ma, here just casually turning my LinkedIn network into JSON-LD
by Arto Bendiken
Community demo · Original post
Jev vs Claude, same robot, same instructions. 233 ms vs 2 s. And yes, it sulks when you insult it. 1x speed, sound on.
by Godefroy
Open-source plugin · Third-party
Claude Code plugin and npm library that asks Jev which tool calls to keep, instead of summarizing the transcript.
by tamaratran
Open-source plugin · Third-party
Pi, Claude Code, and Codex CLI guard that asks Jev whether a tool call is on-task, risky, or injected before it runs.
by harshwasan
Official SDK · Official
Official TypeScript/JavaScript client for POST https://api.typesafe.ai/v1/systemone.
by TypeSafe AI
Community workflow · Guide
One state, three typed questions: pick a team, rate urgency, and check for an explicit refund ask.
by JEV Hub
Community workflow · Guide
Use Jev as a keep-or-drop judge for agent transcripts instead of summarizing paths and error strings.
by JEV Hub
Community demo · Original post
found the perfect use case for @typesafeai Jev: instant compaction in 2026, why is compaction still a summarization prompt? Jev can make it instant by scoring every tool call and dropping what’s irrelevant
by tamara
Community demo · Original post
Breaking: Browser Use + Jev = Ultrafast ⚡ Findings flights took 7s and cost only $0.0039 🤯 > new action space every step > DOM state space > small LLM fallback to type (this video is at 1x speed btw) Built a tiny open source browser agent. try it below ↓
by Gregor Zunic
Community demo · Original post
New experiment: json-render + jev The future Generative UI is instant Your components, your actions, your design system Rendered in milliseconds
by Chris Tate
Community demo · Original post
I built a trading bot with Jev! Jev decides if it should "buy" or "sell", given the price feed of an asset pair, and executes real trades. It uses Monad to place the orders on Kuru's on-chain order book in every 300ms block. Demo link →
by Jarrod Watts
Community demo · Original post
I gave Jev $10,000 and let it trade
by Abol
Community demo · Original post
“Jev can’t generate text” Ofc it can @CompleteSkeptic
by Suman
Community demo · Original post
Jev is WILD for SEO audit 🤯 in 45.1 seconds it read all 586 pages on my site and rebuilt the internal link map. 584 links placed, 139 pages it refused to link because nothing honestly fit. total cost $0.21. Claude Opus 5, same 586 pages, same clock, got through 21 of them and
by borja