Menu
Best practices for Flask web development including routing, blueprints, and testing.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
Based on SOC occupation classification
Best practices for building CLI applications with Click including commands, groups, options, and testing.
Best practices for Django web development including models, views, templates, and testing.
Best practices for template rendering with Jinja2 including environments, filters, autoescaping, and security.
Best practices for numerical computing with NumPy including arrays, broadcasting, and vectorization.
Best practices for writing and organizing tests with pytest including fixtures, parametrize, and plugins.
Best practices for HTTP client usage with Requests including sessions, error handling, and timeouts.
| name | flask |
| description | Best practices for Flask web development including routing, blueprints, and testing. |
Best practices for Flask web development including routing, blueprints, and testing.
Apply this skill when building Flask web applications or APIs — routing, blueprints, extensions, and testing.
create_app()) to avoid global state and enable testing.config.py with classes like DevelopmentConfig, ProductionConfig.@app.get, @app.post) over generic @app.route with methods=[...].flask.abort() with appropriate HTTP codes rather than returning error responses manually.ext.init_app(app) inside the factory, not at module level.app.test_client() for HTTP-level tests and app.test_request_context() for unit tests.session for the app, function for the client).TESTING=True and use a separate test database.app.run()) in production — use Gunicorn or uWSGI.app object; use g for request-scoped data.SECRET_KEY — load from environment variables.