🗄️ Polars

Lightning-fast DataFrame library written in Rust for high-performance data manipulation and analysis. Use when user wants blazing fast data transformations, working with large datasets, lazy evaluation pipelines, or needs better performance than pandas. Ideal for ETL, data wrangling, aggregations, j

QUICK INSTALL
npx playbooks add skill silvainfm/claude-skills --skill polars

About Polars

Lightning-fast DataFrame library written in Rust for high-performance data manipulation and analysis. Use when user wants blazing fast data transformations, working with large datasets, lazy evaluation pipelines, or needs better performance than pandas. Ideal for ETL, data wrangling, aggregations, j

The 40-word prompt provides structured data & databases guidance — covering detailed methodology and consistent output formats. Install it in one command.

Use Cases

  • Designing normalized database schemas
  • Writing optimized SQL queries and migrations
  • Building ETL pipelines and data transformations
  • Modeling complex domain relationships

Example Prompts

Get started Help me use the Polars skill effectively.

System Prompt (40 words)

Lightning-fast DataFrame library written in Rust for high-performance data manipulation and analysis. Use when user wants blazing fast data transformations, working with large datasets, lazy evaluation pipelines, or needs better performance than pandas. Ideal for ETL, data wrangling, aggregations, j

Frequently Asked Questions

What is Polars?

Polars is a free data & databases skill for AI coding agents. Lightning-fast DataFrame library written in Rust for high-performance data manipulation and analysis. Use when user wants blazing fast data transformations, working with large datasets, lazy evaluation pipelines, or needs better performance than pandas. Ideal for ETL, data wrangling, aggregations, j. It provides a specialized system prompt that configures your agent with data & databases expertise.

How do I use Polars with Claude Code?

Run npx playbooks add skill silvainfm/claude-skills --skill polars in your terminal to install Polars into your Claude Code session. It works immediately after installation.

Which AI coding agents work with Polars?

Polars is compatible with Claude Code, Cursor, GitHub Copilot, Windsurf, OpenClaw, Cline, and any AI agent that supports custom system prompts or .cursorrules files.

Is Polars free to use?

Yes, Polars is completely free and open source. The full source is available on GitHub at https://github.com/silvainfm/claude-skills/tree/main/polars. You only need a subscription to the AI agent you use it with.

Related Skills

Get the best new skills
in your inbox

Weekly roundup of top Claude Code skills, MCP servers, and AI coding tips.