Comprehensive guide for building Django web applications following Django 5.2 standards and industry best practices. Use when developing Django projects, implementing models/views/templates, configuring settings, handling forms, ensuring security, or deploying Django applications.
Guides writing effective CLAUDE.md files for Claude Code projects. Use when a user wants to create, improve, or audit a CLAUDE.md file, asks what to put in CLAUDE.md, or wants to configure Claude Code for a project. Covers content strategy, structure, anti-patterns, progressive disclosure, and hierarchical placement.
Create and harden systemd service unit files following modern best practices. Use when writing new systemd units for web applications, background workers, or daemons, or when hardening existing services with security sandboxing and isolation features. Covers service types, dependencies, restart policies, security options, and filesystem restrictions.
Build WCAG 2.1 AA compliant web applications for University of Sheffield. Covers semantic HTML, ARIA patterns, form accessibility, keyboard navigation, color contrast, alt text, captions, and automated testing. Use when creating websites, web apps, forms, interactive components, or auditing accessibility for WCAG compliance, screen readers, keyboard access, or inclusive design.