A faster loop for browser agents
Let the browser expose its possible actions. Let Jev choose the next one.
COMMUNITY DEMOView case
A starting point for curious builders.↗
TypeSafe AI Explore, learn, and build with Jev.
Discover Jev projects, practical tutorials, and community tools—all in one place.
01 / THE CASE LIBRARYReal projects.
Real projects.
Powered by Jev.
See how builders use TypeSafe AI's Jev for browser agents, creative workflows, games, and everyday automation.
View all 30 Jev casesThe right model for the creative brief
One decision layer, multiple image and video models.
COMMUNITY DEMOView case
A Downloads folder that sorts itself
Classify a new file, then let ordinary code put it in the right place.
COMMUNITY DEMOView case
Different field names. The same meaning.
Match a data source to a template without requiring identical labels.
COMMUNITY DEMOView case
A semantic skip button for YouTube
Recognize sponsorship segments from the words being spoken.
COMMUNITY DEMOView case
Pac-Man, one junction at a time
A maze state goes in. A direction comes back.
COMMUNITY DEMOView case
Keep the context. Drop the clutter.
Use Jev to select which tool calls still matter in a long coding session.
COMMUNITY DEMOView case
An incident report finds its next step
Turn a report in Box into a severity assessment and a review destination.
COMMUNITY DEMOView case
Two decisions for a simulated robot arm
Separate the next task from the movement needed to carry it out.
COMMUNITY DEMOView case
Find the skill before the agent starts
Preselect a useful skill and tool for an incoming Slack request.
COMMUNITY DEMOView case
Sort tax documents one page at a time
Classify extracted page text against a defined registry of tax forms.
COMMUNITY DEMOView case
A moderation decision before the next step
Explore Jev as a small decision layer in a content moderation workflow.
COMMUNITY DEMOView case
Community demonstrations, credited to their creators. Reported results are not independent benchmarks.
02 / THE COMMUNITY TOOLBOXGood ideas.
Good ideas.
Useful tools.
Discover plugins and projects built around TypeSafe AI's Jev, with the original source and a clear place to start.
Explore all 5 tools & SDKsOpen source
Coding agentsFast Jev Compaction
Use Jev to decide which old tool calls an agent still needs. Keep useful history without rewriting it into a summary.
Community project by tamaratran
Open source
Coding agentsJev Sentinel
Add Jev-based checks around a coding agent's actions, tool output and replies, with prompts when a decision needs review.
Community project by harshwasan
Public source
Browser extensionsSponsor Skip
Find sponsorship segments in YouTube videos with Jev, using captions or transcribed audio to identify where a read starts and ends.
Community project by Tony Dinh
Built by the community. Follow the creators for setup, requirements, and updates.
03 / THE READING ROOMA little guidance.
All Jev guides A little guidance.
A place to begin.
01 / Foundations
Design your first decision loop
A practical way to decide where Jev belongs in an application—and what should stay in ordinary code.
5 min readRead guide →
02 / Getting started
Your first Jev API request
Go from a focused question to a typed answer, without building a full agent first.
5 min readRead guide →
03 / Core concepts
Choice, Score or Noul?
Three question types, explained through the decisions your software needs to make.
4 min readRead guide →
MAKE THE IDEAS YOUR OWN
Start with one useful decision.
Jev works with questions your code can act on: choose an option, score a fit, or estimate a probability. Learn the three primitives, then find a small decision in your own project.
Get to know Choice, Score & Noul