Frontend

Use when generating options or clarifying a build/fix request—pull constraints from the user, list varied approaches, then narrow with them to pick a plan. For code reviews, use briefly to confirm expectations, then hand off to the agent flow.

Reviews code diffs (uncommited changes written by the agent) or new files(untracked files) for Python type hinting and structural principle compliance. Use this skill when user say review code diffs or new files or want to check code quality(when file is a python file). Requires explicit user confirmation before applying any modifications to ensure code quality and safety.

Scrape websites with a headless browser and extract main readable content as Markdown. Use this skill when the user asks to retrieve, analyze, or summarize content from a URL or website.

Build autonomous coding agents with CLI integration. Use when creating automated coding workflows, managing multi-session development, or building CI/CD code generation pipelines.

Create and use brand.yml files for consistent branding across Shiny apps and Quarto documents. Use when working with brand styling, colors, fonts, logos, or corporate identity in Shiny or Quarto projects. Covers: (1) Creating new _brand.yml files from brand guidelines, (2) Applying brand.yml to Shiny for R apps with bslib, (3) Applying brand.yml to Shiny for Python apps with ui.Theme, (4) Using brand.yml in Quarto documents, presentations, dashboards, and PDFs, (5) Modifying existing brand.yml files, (6) Troubleshooting brand integration issues. Includes complete specifications and framework-specific integration guides.

Python coding standards following PEP 8, type hints, testing best practices, and modern Python patterns. Use for Python projects requiring clean, maintainable, production-ready code with comprehensive testing.

Use when encountering unfamiliar import statements; when exploring a dependency's API; when user asks "what's import X?", "what does import X do?", or about package documentation. - Generates comprehensive API documentation for Swift package dependencies on-demand. This skill helps you quickly obtain documentation for packages used in Xcode projects when you encounter unfamiliar module imports. Automatically resolves modules to packages and caches documentation for reuse. This is the primary tool for understanding individual `import` statements.

A service mesh is an infrastructure layer that provides transparent service-to-service communication with built-in observability, traffic management, and security features without requiring application code changes.

Create professional package release blog posts following Tidyverse or Shiny blog conventions. Use when the user needs to: (1) Write a release announcement blog post for an R or Python package for tidyverse.org or shiny.posit.co, (2) Transform NEWS/changelog content into blog format, (3) Generate acknowledgments sections with contributor lists, (4) Format posts following specific blog platform requirements. Supports both Tidyverse (hugodown) and Shiny (Quarto) blog formats with automated contributor fetching and comprehensive style guidance.

TypeScript coding standards covering strict type system, advanced types, decorators, generics, and best practices for type-safe applications. Use for TypeScript projects requiring robust type safety and maintainable code.

Reference guide for code comment formatting rules and examples. The core rules are automatically applied via CLAUDE.md system instructions - this skill provides detailed examples and edge cases for reference.

Extract comprehensive design language from websites including colors, typography, animations, interactive states, shadows, gradients, component patterns, and UX behaviors. Generates pixel-perfect design guides with responsive screenshots and complete design system documentation. Use when analyzing website design, creating design systems, or rebuilding sites.

Use this before running `xcodebuild` or working with Xcode - tells you the specifics of how we use Xcode and its tools

Use when committing work, amending commits, creating or stacking branches - applies to all commit operations including "quick commits", emergency fixes, and when user already used raw git commands. ALWAYS use git-spice instead of git checkout, git commit, or git branch.

Guide for creating railstart preset configuration files. Use when building new presets, customizing Rails 8 app generation, creating team-specific configurations, or defining opinionated Rails stacks. Covers YAML structure, ID-based merging, post-action configuration, and testing presets for the railstart gem.

Use before implementing UI changes or frontend PRs. Enforces TodoWrite with 18+ items. Triggers: "accessibility audit", "WCAG", "Lighthouse", "screen reader", "a11y", "NVDA", "VoiceOver", "keyboard navigation", "focus indicator". For "Core Web Vitals" in frontend/UI context, use this skill. For pure backend/API performance optimization, use performance-optimization instead. If thinking "WIP doesn't need this" - use it anyway.

Complete deployment system for Holochain hApps with multi-repository coordination, cross-platform builds, and CI/CD automation

Comprehensive framework for effective gptme agent onboarding that builds user trust, communicates capabilities clearly, and establishes productive working relationships from the first interaction.

Use this before writing any Swift code, before planning code changes and enhancements - establishes style guidelines, teaches you vital Swift techniques

Guide for creating Claude Code skills following Anthropic's official best practices. Use when user wants to create a new skill, build a skill, write SKILL.md, or needs skill creation guidelines. Provides structure, naming conventions, description writing, and quality checklist.