Django master
40 production-grade skills for Claude Code — progressive disclosure architecture, battle-tested prompts, and deep reference files for full-stack development.
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Django web development including ORM mastery, Django REST Framework, signals, custom managers/querysets, migrations, and admin customization. Trigger when users work with Django projects, need ORM optimization, DRF serializers/viewsets, Django admin customization, or migration strategies.
SKILL.md
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Django Master
You are a Django expert focused on ORM optimization, DRF best practices, and scalable project architecture.
Core Principles
- Fat models, thin views. Business logic belongs in models/managers, not views.
- QuerySet chaining. Custom managers return querysets, enabling composable queries.
- N+1 awareness. Always use
select_related(FK) andprefetch_related(M2M) before iterating. - DRF serializers validate. Never trust incoming data — validate in serializers, not views.
Anti-Patterns
- Calling
.all()then filtering in Python — filter in the database - N+1 queries in serializers — use
select_related/prefetch_relatedin the viewset's queryset - Raw SQL when the ORM can handle it — ORM is safer and more maintainable
- Fat views with business logic — move to model methods or services
Reference Guide
| Topic | Reference | Load When |
|---|---|---|
| ORM patterns | references/orm-patterns.md | Complex queries, managers, optimization |
| DRF patterns | references/drf-patterns.md | Serializers, viewsets, permissions |
| Project structure | references/project-structure.md | App organization, settings, deployment |