django-expert

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.

1.14x

Quality

100%

Does it follow best practices?

Impact

97%

1.14x

Average score across 6 eval scenarios

Securityby

Passed

No known issues

Evaluation results

100%

Product Catalog Backend Optimization

ORM query optimization and model design

Criteria

Without context

With context

select_related used

100%

prefetch_related used

100%

DB index on model

100%

Composite index

100%

F() expression used

100%

Q() objects used

100%

bulk_create used

62%

100%

bulk_update used

100%

Custom manager

100%

related_name defined

100%

Meta ordering defined

100%

__str__ defined

100%

only()/defer() used

100%

14%

Secure REST API with Token-Based Authentication

JWT authentication and permission configuration

Criteria

Without context

With context

SimpleJWT installed

100%

JWTAuthentication class

100%

Access token lifetime

100%

Refresh token lifetime

100%

Token rotation enabled

100%

Blacklist after rotation

100%

Token URLs present

50%

100%

DefaultRouter used

100%

Custom permission class

100%

Action-based permissions

100%

perform_create override

100%

92%

18%

Order Management API with Validation and Tests

DRF serializer validation and API testing

Criteria

Without context

With context

write_only fields

read_only fields

100%

Field-level validate

100%

Object-level validate

100%

Nested serializer

100%

Nested create()

100%

Nested update()

100%

SerializerMethodField

100%

APITestCase used

100%

force_authenticate used

100%

reverse() for URLs

100%

Auth and unauth tests

66%

100%

create_user() used

100%

Harden a Django App for Production Deployment

Production settings, secrets management, and security hardening

Criteria

Without context

With context

SECRET_KEY from env

100%

DB password from env

100%

DEBUG not True

100%

CSRF middleware present

100%

Security middleware present

100%

No raw SQL injection

100%

ORM or parameterized query

100%

Env vars documented

100%

No secrets in settings

100%

16%

Build a High-Performance Job Listings API

Async views, filtering, pagination, and custom ViewSet actions

Criteria

Without context

With context

Async view defined

100%

sync_to_async used

100%

Pagination class configured

100%

PAGE_SIZE set

100%

DjangoFilterBackend used

100%

SearchFilter used

100%

OrderingFilter used

100%

Custom @action defined

100%

Action detail flag correct

100%

select_related in ViewSet

100%

DB index on model

100%

92%

18%

Implement a Comprehensive Test Suite for a Django Blog API

Factory Boy test data, fixtures, model tests, and custom JWT claims

Criteria

Without context

With context

DjangoModelFactory used

100%

Factory for User

100%

Factory for Post or Category

100%

JSON fixture produced

100%

fixtures attribute in test

Django TestCase for models

100%

Model __str__ tested

100%

APITestCase for API

100%

Custom JWT claims class

100%

Email embedded in token

100%

Custom view for token

100%

create_user() in test setup

100%

Repository: jeffallan/claude-skills
Commit: 5b76101

Evaluated: 27 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Product Catalog Backend Optimization Secure REST API with Token-Based Authentication Order Management API with Validation and Tests Harden a Django App for Production Deployment Build a High-Performance Job Listings API Implement a Comprehensive Test Suite for a Django Blog API

Is this your skill?

If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.