# Feature Engineering

> Engineer features for improved model performance

- Skill: `lgrappag/feature-engineering` (Agent Skill)
- Install (CLI): `npx skillmds@latest add lgrappag/feature-engineering`
- Raw SKILL.md: https://api.skillmd.com/api/skills/lgrappag/feature-engineering/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: AI & ML
- Author: LgrappaG (https://skillmd.com/u/lgrappag)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/lgrappag/feature-engineering

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# Feature Engineering

Engineer features for improved model performance

## Risk Level
**MEDIUM**

## Core Rules
- Validate feature importance
- test impact
- avoid leakage

## Response Pattern

### When Using This Skill
1. Create features
2. validate importance
3. test model impact
4. Ensure performance meets requirements

## Usage Contexts
- Feature creation
- model improvement

## What NOT to Do
- Poor features
- overfitting
- feature leakage

## Key Requirements
- Understand the use cases before application
- Follow the documented response pattern
- Validate results in the target environment
- Monitor for performance impact

## Further Learning
Review related skills and documentation for deeper understanding of related systems and best practices.