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clef-jev-demo

topmass/clef-jev-demo

Bounded model authority: small model scores, large model falls back.

Automated README summary

Automatically summarized from the README on 16 Oct 2026; not a run by jevbooks. Run instructions and author-reported outcomes still need verification.

What it is

A Cloudflare Worker demo of an AI assistant acting inside a fake small-business app. A small model scores every command; when unsure, a larger model takes over under the same rules.

How it uses Jev

The small model picks an action and answers four questions with probabilities. The pure function decide() checks these against fixed thresholds; the first failure stops the command and hands it to a larger model.

Primitives:choicescore

Technique worth stealing

Pure decide() function checks model answers against fixed thresholds in order; first failure stops the command.

Try it

Run the Cloudflare Worker; open the browser UI in public/ to see the loop and nine cards.

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 material0.86
  • Shows a System One patternFound in material0.87
  • Describes handling uncertaintyFound in material0.95
  • Reports measured numbersnot found in the excerpt0.18
  • Is a runnable toolunclear0.45
  • Top-10 learning shortlist signalunclear0.59
  • Is a replica of the modelunclear0.55
  • Solves a common problem (0–2)score on a 0–2 scale1.65 / 2
  • About JevFound in material0.96
Signals
Jev is core to the project0.86Shows a System One pattern0.87Describes handling uncertainty0.95Reports measured numbers0.18Is a runnable tool0.45Top-10 learning shortlist signal0.59Is a replica of the model0.5500.51Solves a common problem (0–2)1.65 / 2012

no-judgment band (0.40–0.60)

Design patterns
Funnel0.96Questionnaire0.94Traffic light0.94Fail open, fail closed0.91Inspection0.63Flight recorder0.56Prefetch0.27Check-up0.2300.51

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 16 Oct 2026.