Flask questions are easy to answer from stale memory or Django/FastAPI assumptions. Use this skill to ground answers in the official Flask documentation and return the closest authoritative page instead of generic Python web advice.

When to Use

Use this skill when the request is about:

Flask concepts, application objects, routing, and the request lifecycle
Blueprints, application factories, and modular project structure
Request and response handling, sessions, and cookies
Templates (Jinja), static files, and context processors
Error handling, debugging, and logging
Configuration, instance folders, and environment variables
Testing with the test client and CLI runner
Class-based views, signals, and the CLI
Security considerations (XSS, CSRF, headers)
Deployment, WSGI servers, and async/gevent support
Flask extensions and extension development patterns

Do not use this skill for:

flask-docs

When to Use