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jgrep by kyu1204
`--diff` gates a PR in CI on a rule written in English, `--tests` lists the test files a diff can affect, and plain `jgrep` greps code by what it does; one Noul per chunk, 16 chunks per request.
From the readme
jgrep grep for what code does, not what it's called. Gate PRs on it. Run only the tests a diff can affect. No index. No embeddings. No LLM round-trips. A whole src/ tree in ~2 s for about a cent. On five OSS repos, --tests picked 12% of the test files and still caught over 90% of the tests each commit's author changed, for $0.11 across 60 commits (bench). …
Details
- Section
- Code review and quality
- owner
- kyu1204
- stars
- 62
- forks
- 5
- pushed
- 2026-10-15
- Language
- TypeScript
- License
- MIT
What it is
- Form
- CLI
- Host agent
- Standalone
- Audience
- App developers
Maturity
Docs
reports measured numbers