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jgrep

keltokhy/jgrep

grep, but the pattern is a plain-English description.

Automated README summary

Automatically summarized from the README on 26 Sept 2026; not a run by jevbooks. Run instructions and author-reported outcomes still need verification.

What it is

jgrep filters text lines, structured records, functions, and diff hunks against plain-English descriptions using Jev Noul judgments. It is for developers and analysts who want semantic filtering in a pipe.

How it uses Jev

Each line becomes one yes/no question to Jev. Jev returns a probability; jgrep matches when the probability is at least the threshold (default 0.5). Results are printed in input order, with optional probability column.

Primitives:noul

Technique worth stealing

Treat each line as a yes/no question to a decision model, then threshold the returned probability.

Try it

uv tool install jev-grep; jgrep "a user is getting frustrated" app.log

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 material0.95
  • Shows a System One patternFound in material0.68
  • Describes handling uncertaintynot found in the excerpt0.06
  • Reports measured numbersunclear0.45
  • Is a runnable toolFound in material0.84
  • Top-10 learning shortlist signalunclear0.43
  • Is a replica of the modelnot found in the excerpt0.04
  • Solves a common problem (0–2)score on a 0–2 scale1.38 / 2
  • About JevFound in material0.99
Signals
Jev is core to the project0.95Shows a System One pattern0.68Describes handling uncertainty0.06Reports measured numbers0.45Is a runnable tool0.84Top-10 learning shortlist signal0.43Is a replica of the model0.0400.51Solves a common problem (0–2)1.38 / 2012

no-judgment band (0.40–0.60)

Design patterns
Questionnaire0.93Viewfinder0.70Flight recorder0.50Question bank0.37Fail open, fail closed0.26Check-up0.2600.51

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 26 Sept 2026.