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Playgrounds and demos

20 entries

Useful for: Playgrounds and demos

14

typesafe-playground by TypeSafeAI

110 use cases, games, and model challenges with editable prompts and A/B comparisons; a community org, not the vendor, formerly under BunsDev.

★ 14TypeScriptWeb app
Playgrounds and demosClassification and extraction

typesafe-playground by kavehmz

From support routing to a 3D driving simulation with visible sensor inputs.

★ 10JavaScriptWeb app
Playgrounds and demosOutput verification

jev-experiments

Nader Dabit's grab bag of small Jev experiments.

★ 321TypeScriptWeb app
Playgrounds and demosLearning resources

Jev Pac-Man

The maze as JSON; Jev picks the turn at every junction.

Web app
Playgrounds and demos

Magic-8-Jev

Ask a question, one choice over twenty answers picks the reply and shows the click-to-answer latency; [live demo](https://willprout.github.io/magic-8-ball/).

★ 1TypeScriptWeb app
Playgrounds and demos

jev-playground by wustep

Can a System One model steer a music composition through typed classify, score, and pick decisions alone.

★ 0TypeScriptWeb app
Playgrounds and demosBenchmarks and evals

typesafe-jev-workflow

LangGraph demo that sends a mocked email to Jev and routes on the typed Choice it returns.

★ 6PythonCLI
Playgrounds and demosOutput verification

jev-little-airways

Show-and-tell capability study for Jev.

★ 4HTMLWeb app
Playgrounds and demosLearning resources

jev-demos

Demos built to test what Jev is good at.

★ 0DartDataset or benchmark
Playgrounds and demosBenchmarks and evals

Jev Classifier

Hosted demo filing posts by type, quality, sentiment, and tone.

Web app
Playgrounds and demosClassification and extraction

Jev Guard demo

Hosted comment-moderation playground.

Web app
Playgrounds and demosModeration and safety

Companion

Hosted robot interface answering nine typed questions per turn to decide act, ask, or shrug, no generated text.

Web app
Playgrounds and demosGames and simulation

jev-web-analyzer

Turns a SaaS landing page into Markdown and asks Jev ten bounded Choice questions about what a first-time visitor understands, shown as a founder teardown.

★ 1TypeScriptWeb app
Playgrounds and demos

Useful for: Games and simulation

2

Jev Tetris

Rotation and column chosen from holes, stack height, and bumpiness.

Web app
Games and simulationBenchmarks and evals

Hollow Creek

Village NPCs that judge you each tick instead of chatting.

Other
Games and simulation

Useful for: Output verification

2

Crowdcheck

Test a post against 10,000 synthetic personas before you publish it.

Web app
Output verificationModeration and safety

Jev System One

Terminal interface where OpenAI answers and Jev separately scores relevance, reliability, and quality.

★ 2PythonCLI
Output verificationPlaygrounds and demos

Useful for: Voice and realtime

1

Yes / No

Ask a question, get yes, no, or maybe, with web search when needed; no signup.

Web app
Voice and realtime

Everything else

1