# Polynx

> String-powered Polars expression engine: Pandas/SQL-style string expressions (query, eval, assign, wc, gb, case_when) with Polars speed and lazy support. Install with `pip install polynx`.

## Agent guides
- [Agent guide (AGENTS.md)](https://raw.githubusercontent.com/LowellWinston/polynx/master/src/polynx/AGENTS.md): concise API cheat sheet; also `python -m polynx` after install
- [Skill (SKILL.md)](https://raw.githubusercontent.com/LowellWinston/polynx/master/skills/polynx/SKILL.md): drop-in Claude Code skill

## Docs
- [Getting Started](https://lowellwinston.github.io/polynx/getting-started/)
- [Expression Engine](https://lowellwinston.github.io/polynx/guides/expressions/)
- [DataFrame Utilities](https://lowellwinston.github.io/polynx/guides/dataframe-utils/)
- [LazyFrames](https://lowellwinston.github.io/polynx/guides/lazyframe/)
- [API Reference](https://lowellwinston.github.io/polynx/reference/)
- [README](https://raw.githubusercontent.com/LowellWinston/polynx/master/README.md)

## Optional
- [Changelog](https://raw.githubusercontent.com/LowellWinston/polynx/master/CHANGELOG.md)
- [PyPI](https://pypi.org/project/polynx/)