# Repository Catalog - What Already Exists
**Purpose:** Prevent reinventing wheels. Check here before creating new modules, helpers, or utilities.
Last updated: 2026-01-24
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## How to Use This Catalog
**Before creating anything:**
1. Search this file for similar functionality
2. Check the linked README/docs for usage
3. If similar exists, use or extend it (don't duplicate)
4. If creating something new, add it here
**Keeping this updated:**
- When adding a module: Document it here
- When adding a utility: Document it here
- Review quarterly to remove deprecated items
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