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play-with-jev

technomad641/play-with-jev

A beginner's guide to Jev with Snake, live latency, and typed answers.

Automated README summary

Automatically summarized from the README on 6 Oct 2026; not a run by jevbooks. Run instructions and author-reported outcomes still need verification.

What it is

A hands-on beginner's guide to Jev, TypeSafe AI's one-pass model, featuring a Snake game where Jev chooses every turn, with live latency measurement and typed answers.

How it uses Jev

Jev makes one decision per tick in Snake, choosing the next move from a set of options. The state is the game board, and the result is used to control the snake's direction.

Primitives:choice

Technique worth stealing

Use typed questions with criteria to get calibrated probabilities for decisions.

Try it

pip install typesafe-sdk, set TYPESAFE_API_KEY, then run the Snake example.

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-1.13.0
Project signals
jev-1.13.0
Category
jev-1.13.0
Pattern tags
jev-1.13.0

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 material0.89
  • Shows a System One patternFound in material0.65
  • Describes handling uncertaintynot found in the excerpt0.05
  • Reports measured numbersnot found in the excerpt0.09
  • Is a runnable toolnot found in the excerpt0.24
  • Top-10 learning shortlist signalunclear0.44
  • Is a replica of the modelnot found in the excerpt0.08
  • Solves a common problem (0–2)score on a 0–2 scale0.13 / 2
  • About JevFound in material0.96
Signals
Jev is core to the project0.89Shows a System One pattern0.65Describes handling uncertainty0.05Reports measured numbers0.09Is a runnable tool0.24Top-10 learning shortlist signal0.44Is a replica of the model0.0800.51Solves a common problem (0–2)0.13 / 2012

no-judgment band (0.40–0.60)

Design patterns
Questionnaire0.99Traffic light0.95Funnel0.89Grey zone0.77Ghostwriter0.46Inspection0.3800.51

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 6 Oct 2026.