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jev-playground

Laaaaksh/jev-playground · Homepage

Unofficial bring-your-own-key playground for TypeSafe's Jev API

Automated README summary

Automatically summarized from the README on 1 Nov 2026; not a run by jevbooks. Run instructions and author-reported outcomes still need verification.

What it is

A small static web app for trying TypeSafe's Jev API with your own API key: paste a state, define a few questions, and see how Jev answers. Unofficial, not affiliated with TypeSafe AI.

How it uses Jev

The README does not specify which Jev primitives (Choice, Score, Noul) are used or how results are consumed in code; it only says users paste a state, define questions, and view Jev's answers. Each run relays the user's key to TypeSafe via a serverless function.

Try it

Run `npm start`, open http://localhost:4747, and paste your TypeSafe key.

View on GitHub

Start using Jev: API key and your first request →

Model judgments from README excerpts

Project signals use repository metadata, an existing summary and the first 700 README characters, not the full project. “Not found” means not detected in that material; it does not establish absence. These are the original judgments with recorded models and dates, not source audits or run results.

Models & evaluation dates

Inclusion gate
jev-1.14.0
Project signals
jev-1.14.0
Category
jev-1.14.0
Pattern tags
jev-1.14.0

Evidence

These signals use repository metadata, an existing summary and at most 700 cleaned README characters. ≥ 0.60 means reported in that excerpt; ≤ 0.40 means not found there. The middle band is inconclusive. None is a source-code audit or a test result. The runnable-tool question excludes research experiments; the recommendation question asks for a learning shortlist, not a quality verdict.

  • Jev is core to the projectFound in material0.74
  • Shows a System One patternnot found in the excerpt0.23
  • Describes handling uncertaintynot found in the excerpt0.03
  • Reports measured numbersnot found in the excerpt0.02
  • Is a runnable toolFound in material0.92
  • Top-10 learning shortlist signalnot found in the excerpt0.19
  • Is a replica of the modelnot found in the excerpt0.02
  • Solves a common problem (0–2)score on a 0–2 scale0.45 / 2
  • About JevFound in material0.99
Signals
Jev is core to the project0.74Shows a System One pattern0.23Describes handling uncertainty0.03Reports measured numbers0.02Is a runnable tool0.92Top-10 learning shortlist signal0.19Is a replica of the model0.0200.51Solves a common problem (0–2)0.45 / 2012

no-judgment band (0.40–0.60)

Design patterns
Fail open, fail closed0.71Questionnaire0.35Funnel0.2200.51

no-judgment band (0.40–0.60)

The Jev model and date for each judgment stage are listed above. Card written by DeepSeek V4.1 Flash from the README on 1 Nov 2026.