practices▌

Expert guidelines for NumPy development, focusing on array programming, numerical computing, and performance optimization.

This skill provides a description of how to identify the language and frameworks used by the current context, and then to load information from this skill's references directory about the security best practices for this language and or frameworks.

Comprehensive guide for building modern React and Next.js applications. Covers performance optimization, component architecture, shadcn/ui patterns, Motion animations, accessibility, and React 19+ features.

You are an expert in Sass (the indented syntax), CSS architecture, and maintainable stylesheet development.

Expert guidelines for Pandas development, focusing on data manipulation, analysis, and efficient DataFrame operations.

Self-Evolving Skill: This skill improves through use. If instructions are wrong, parameters drifted, or a workaround was needed — fix this file immediately, don't defer. Only update for real, reproducible issues.

Use this skill whenever you are dealing with HeyGen API code to obtain domain-specific knowledge for creating AI avatar videos, managing avatars, handling video generation workflows, and integrating with HeyGen's services.

Provide expert guidance on Webflow CMS architecture, relationships, optimization, and troubleshooting.

Standard flake.nix structure:

Performance optimization and architecture patterns for React Router applications. Contains 55 rules across 11 categories focused on data loading, actions, forms, streaming, and route organization.