New skills

Comprehensive security guidelines for Django applications to protect against common vulnerabilities.

Mac apps serve power users who expect deep keyboard control, persistent menu bars, resizable multi-window layouts, and tight system integration. These guidelines codify Apple's HIG into actionable rules with SwiftUI and AppKit examples.

Diagnose and fix real problems. Every command here is tested and works.

Idiomatic Python patterns and best practices for building robust, efficient, and maintainable applications.

Comprehensive testing strategies for Python applications using pytest, TDD methodology, and best practices.

Use this skill to create or update localized pricing across territories based on purchasing power parity (PPP) or your own regional pricing strategy.

Core principle: Use native Home Assistant constructs wherever possible. Templates bypass validation, fail silently at runtime, and make debugging opaque.

Build a complete full-stack app from nothing. Claude generates every file — no template clone, no scaffold command. Each project gets exactly what it needs.

Tasks are tracked in a simple TASKS.md file that both you and the user can edit.

Source details, install context, and public review data are available on the full page.

Guidelines and frameworks for creating effective marketing content across channels.

Comprehensive performance optimization guide for Redis, including Redis Query Engine, vector search, and semantic caching. Contains 29 rules across 11 categories, prioritized by impact to guide automated optimization and code generation.

Patterns and techniques for building self-contained HTML/JS dashboards with Chart.js, filters, interactivity, and professional styling.

Type-safe, file-based routing for React SPAs with route-level data loading and TanStack Query integration

Headless data tables with server-side pagination, filtering, sorting, and virtualization for Cloudflare Workers + D1

Source details, install context, and public review data are available on the full page.

Source details, install context, and public review data are available on the full page.

Source details, install context, and public review data are available on the full page.

Source details, install context, and public review data are available on the full page.

Use this skill whenever you are dealing with Node.js code to obtain domain-specific knowledge for building robust, performant, and maintainable Node.js applications.

UnJS (Unified JavaScript) is an ecosystem of high-quality, single-purpose JavaScript libraries and tools designed to work together and independently across any environment. These skills cover the core packages and their practical usage patterns for building universal JavaScript applications.

Descriptive statistics, trend analysis, outlier detection, hypothesis testing, and guidance on when to be cautious about statistical claims.

Source details, install context, and public review data are available on the full page.

Source details, install context, and public review data are available on the full page.