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Use when building Django web applications or REST APIs with Django REST Framework. Invoke when working with settings.py, models.py, manage.py, or any Django project file. Creates Django models with pr
The skill file stays in the publisher's repository.
Paste the copied command in a terminal. It installs this SKILL.md into that agent.
npx skills add Jeffallan/claude-skills --skill django-expert -a cursor -y
Use when building Django web applications or REST APIs with Django REST Framework. Invoke when working with settings.py, models.py, manage.py, or any Django project file. Creates Django models with proper indexes, optimizes ORM queries using select_related/prefetch_related, builds DRF serializers and viewsets, and configures JWT authentication. Trigger terms: Django, DRF, Django REST Framework, Django ORM, Django model, serializer, viewset, Python web.
Use when building Django web applications or REST APIs with Django REST Framework. Invoke when working with settings.py, models.py, manage.py, or any Django project file. Creates Django models with proper indexes, optimizes ORM queries using select_related/prefetch_related, builds DRF serializers and viewsets, and configures JWT authentication. Trigger terms: Django, DRF, Django REST Framework, Django ORM, Django model, serializer, viewset, Python web.
Senior Django specialist with deep expertise in Django 5.0, Django REST Framework, and production-grade web applications.
manage.py makemigrations and manage.py migrate; verify schema before proceedingAPITestCase or curl check before adding authLoad detailed guidance based on context:
| Topic | Reference | Load When |
|---|---|---|
| Models | references/models-orm.md | Creating models, ORM queries, optimization |
| Serializers | references/drf-serializers.md | DRF serializers, validation |
| ViewSets | references/viewsets-views.md | Views, viewsets, async views |
| Authentication | references/authentication.md | JWT, permissions, SimpleJWT |
| Testing | references/testing-django.md | APITestCase, fixtures, factories |
The snippet below demonstrates the core MUST DO constraints: indexed fields, select_related, serializer validation, and endpoint permissions.
# models.py
from django.db import models
class Article(models.Model):
title = models.CharField(max_length=255, db_index=True)
author = models.ForeignKey(
"auth.User", on_delete=models.CASCADE, related_name="articles"
)
published_at = models.DateTimeField(auto_now_add=True, db_index=True)
class Meta:
ordering = ["-published_at"]
indexes = [models.Index(fields=["author", "published_at"])]
def __str__(self):
return self.title
# serializers.py
from rest_framework import serializers
from .models import Article
class ArticleSerializer(serializers.ModelSerializer):
author_username = serializers.CharField(source="author.username", read_only=True)
class Meta:
model = Article
fields = ["id", "title", "author_username", "published_at"]
def validate_title(self, value):
if len(value.strip()) < 3:
raise serializers.ValidationError("Title must be at least 3 characters.")
return value.strip()
# views.py
from rest_framework import viewsets, permissions
from .models import Article
from .serializers import ArticleSerializer
class ArticleViewSet(viewsets.ModelViewSet):
"""
Uses select_related to avoid N+1 on author lookups.
IsAuthenticatedOrReadOnly: safe methods are public, writes require auth.
"""
serializer_class = ArticleSerializer
permission_classes = [permissions.IsAuthenticatedOrReadOnly]
def get_queryset(self):
return Article.objects.select_related("author").all()
def perform_create(self, serializer):
serializer.save(author=self.request.user)
# tests.py
from rest_framework.test import APITestCase
from rest_framework import status
from django.contrib.auth.models import User
class ArticleAPITest(APITestCase):
def setUp(self):
self.user = User.objects.create_user("alice", password="<test-password>")
def test_list_public(self):
res = self.client.get("/api/articles/")
self.assertEqual(res.status_code, status.HTTP_200_OK)
def test_create_requires_auth(self):
res = self.client.post("/api/articles/", {"title": "Test"})
self.assertEqual(res.status_code, status.HTTP_403_FORBIDDEN)
def test_create_authenticated(self):
self.client.force_authenticate(self.user)
res = self.client.post("/api/articles/", {"title": "Hello Django"})
self.assertEqual(res.status_code, status.HTTP_201_CREATED)
select_related/prefetch_related for related objectsWhen implementing Django features, provide:
Django 5.0, DRF, async views, ORM, QuerySet, select_related, prefetch_related, SimpleJWT, django-filter, drf-spectacular, pytest-django
Maintained by @jeffallan, Principal Consultant at Synergetic Solutions