Does this skill support the latest version of Flask?

Yes, it is optimized for Flask 3.1.2+ and Python 3.9+, including fixes for recent regressions and Werkzeug 3.1 compatibility.

What package manager is recommended?

The skill provides optimized workflows for the 'uv' package manager, ensuring fast and reproducible dependency management.

Can I use this with async Python code?

Yes, it includes specific patterns and warnings for handling async views and resolving conflicts between asyncio and gevent.

How does this skill help with circular imports?

It implements the application factory pattern and uses a separate extensions module to decouple app initialization from model and route definitions.

Flask Web Development

Name: Flask Web Development
Author: evolv3ai

byevolv3ai

0•

API Development

Builds production-ready Python web applications using the Flask framework with modular patterns and proactive error prevention.

The Flask skill for Claude Code empowers developers to create scalable, professional-grade Python web services using the industry-standard Flask framework. It focuses on the application factory pattern and Blueprints to ensure code maintainability while providing built-in solutions for nine critical documented issues, including context errors, CSRF cache interference, and async/gevent conflicts. Designed for modern environments, it integrates seamlessly with the 'uv' package manager and the latest Flask 3.1+ features like secret key rotation and per-request content length overrides.

Key Features

010 GitHub stars

02Modular application factory and Blueprint patterns

03Integrated Flask-SQLAlchemy and Flask-Login best practices

04Modern project scaffolding using the uv package manager

05Secure configuration patterns for CSRF and session protection

06Proactive prevention of 9 common Flask/Werkzeug errors

Use Cases

01Initializing a new structured Flask project with best practices

02Implementing secure user authentication and database models

03Debugging complex application context and threading issues

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add evolv3ai/claude-skills-archive flask

For use in Claude.ai and ChatGPT

Download Skill