Crowdcheck
Test a post against 10,000 synthetic personas before you publish it.
Source: community catalog. Details and metrics reflect the published community snapshot and are not a performance endorsement.
Keep exploring
Similar to Crowdcheck
Demos & playgrounds
A WebGL demo where you play the card game Speed against a CPU whose brain is TypeSafe AI's Jev. The whole point of the app is to measure and show Jev's decision speed and decision accuracy in real time.
Demos & playgrounds
A working Demo that acts as classifier to classify linkedin post which inside uses jev by Typesafe.ai
Browser & computer use
Chrome extension: vibe-check your X posts with TypeSafe's Jev before you hit Post
Benchmarks & research
Chess moves, evaluations, persona opponents, and game classification with TypeSafe AI System One
Browser & computer use
Evidence-driven frontend QA built on Jev Ultrafast and Browser Harness, with a synthetic todo demo.
Agent tooling
Runtime constraints for the pi coding agent: checks every side-effecting tool call against what you said, before it runs. Powered by TypeSafe Jev.