Developer Tools & Repos Agent Skills for Claude Code

Pythonic code with modern type hints, dataclasses, async patterns, packaging, and testing

Guidance for writing, reviewing, and refactoring Python code with clear style, naming, design principles, and testing discipline.

Reviews Python code for type safety, async patterns, error handling, and common mistakes.

When to activate: multiprocessing, threading, concurrent.futures, ProcessPoolExecutor, GIL, CPU-bound tasks

When to activate: configuration management, pydantic-settings, env files, feature flags, environment-specific settings

When to activate: dataclasses, attrs, msgspec, frozen dataclasses, slots, inheritance, value objects

Modern Python development workflow where ALL Python execution goes through uv run — never call python, pip, or pytest directly.

Set up a Python virtual environment and install Reflex.

When to activate: event-driven architecture, domain events, event sourcing, Kafka, RabbitMQ, NATS

Guidance for structuring a Python/FastAPI backend into layers (routers/services/repositories) and feature-first modules so it stays easy…

Python/FastAPI coding standards including async patterns, Pydantic v2, SQLAlchemy 2.0, and project structure.

When to activate: gRPC, protobuf, grpcio, async gRPC, streaming, service definitions, interceptors

MANDATORY FIRST STEP for Shutterstock API Explorer Python SDK work in a Python project — load this BEFORE you write any code; Python SDK…

Master Python from fundamentals to advanced OOP, async programming, and web frameworks.

Systematically refactors Python code to improve maintainability, readability, and performance using industry-standard design patterns and…

Facilitates the creation of high-performance Python bindings for Rust cores using PyO3 and idiomatic wrapper patterns.

You are now an expert in python-tcod (libtcod Python bindings), a high-performance library for developing roguelike games.

Architects distributable Python desktop tools and web-ready applications using a lightweight five-layer structure with FastAPI, pywebview…

Use for coding standards, project conventions, and development best practices in qcc_plus project

Code quality checks, formatting, and metrics via qlty CLI

Applies QML best practices when producing or working with QML source code.