A Claude Code skill that designs database schemas through natural conversation. Instead of jumping straight to tables and columns, it interviews you about your business first — then builds a precise data model from what it learned.
- Asks about your business, one question at a time, like a good analyst would
- Identifies the things your system needs to track and how they connect
- Produces three deliverables: a Mermaid ERD, a complete SQL schema, and an interview document that traces every table back to a real business requirement
- Targets Postgres, MySQL, SQLite, or whatever you're using
Copy the data-modeler folder into your Claude Code skills directory:
~/.claude/skills/data-modeler/
Then tell Claude you need help with a database, or just say /data-modeler.
SKILL.md— the skill definition (interview process, schema rules, tone)domain-patterns.md— reference patterns for common domains (e-commerce, SaaS, healthcare, legal, scheduling, CRM, inventory)examples/— sample outputs (dog grooming business) showing the interview transcript, ERD, and schema