> ## Documentation Index
> Fetch the complete documentation index at: https://docs.kalarislabs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# polars — AI agent skill for data science and ml

> High-performance DataFrame library for Python ETL, analytics, and pandas migration.

# `polars`

> High-performance DataFrame library for Python ETL, analytics, and pandas migration. Use for expression-based data manipulation with lazy query optimization, parallel execution, streaming out-of-core processing, Arrow interoperability, and optional GPU execution.

**Category:** [data-science-and-ml](/research-agent-skills/skills#data-science-and-ml) · **License:** [https://github.com/pola-rs/polars/blob/main/LICENSE](https://github.com/pola-rs/polars/blob/main/LICENSE) · **Version:** 1.2

## Install

```bash theme={null}
npx research-agent-skills install polars
npx skills add KalarisLabs/research-agent-skills --skill polars
```

## When to use it

High-performance DataFrame library for Python ETL, analytics, and pandas migration. Use for expression-based data manipulation with lazy query optimization, parallel execution, streaming out-of-core processing, Arrow interoperability, and optional GPU execution.

## Full playbook

Read [SKILL.md](https://github.com/KalarisLabs/research-agent-skills/blob/main/skills/polars/SKILL.md) for the complete workflow, references and any scripts. The agent installer copies the full skill folder.


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