sys1grep asks Jev, TypeSafe AI's System One model, whether each line matches a given meaning, and applies a threshold to the probability it gets back, rather than searching for a pattern of characters.
Meanings combine with AND, OR and NOT, and the meaning and the text being searched do not need to share a language: an English meaning can find matching Japanese, French, Russian, Chinese or Korean lines, with no translation step and no change in speed or cost.
It has zero dependencies, runs as one file on Node.js 20.16 or later, and batches 30 lines per request with 8 requests running at a time, finishing a 210-line file in under a second.
What you get
- Full source code under the MIT license
- The sys1grep CLI and its live browser demo
Jev
TypeScript
Node.js
Claude Code
Codex
JavaScript
CodeRabbit Top10
Python
