majestic-python

Database orchestrator for Python applications. Routes to specialized skills for models, queries, or migrations.

Orchestrate Python code reviews by selecting appropriate specialized agents based on changed files, loading project topics, and synthesizing results into prioritized findings.

Alembic database migrations for Python applications - setup, auto-generation, manual migrations, and safe deployment patterns.

Build Django applications with models, views, forms, templates, REST APIs, and modern Django 5.x patterns.

Build FastAPI applications with async patterns, Pydantic validation, dependency injection, and modern Python API practices.

Write pytest tests with fixtures, parametrization, mocking, async testing, and modern patterns. Use when creating or updating Python test files. Not for unittest — use standard library patterns instead.

Modern Python 3.12+ development with uv, ruff, and production-ready practices. Routes to specialized skills for frameworks and testing.

Debug Python errors, exceptions, and unexpected behavior. Analyzes tracebacks, reproduces issues, identifies root causes, and provides fixes.

Review Python code with high quality bar for type hints, Pythonic patterns, and maintainability.

SQLAlchemy 2.0 patterns - model definition, engine setup, async patterns, relationships, query optimization, repository pattern, and transactions.