Data & AI

Research product compositions using AI and web sources. Use when needing to find what products, substances, or objects are made of - including ingredients, materials, chemicals, and elements. Essential for building composition data.

Farm out AI tasks via Named Pipe to get isolated context. Use when processing large files, batch summarization, or to avoid context pollution. Each call runs in fresh context.

Data engineering, ETL pipelines, data warehousing, and analytics. Master data infrastructure and pipeline design.

Application security best practices including OWASP Top 10, authentication, and data protection.

Efficiently research topics using parallel agents via Contextune's /ctx:research command. Use when users ask to research, investigate, find information about topics, compare options, or evaluate libraries/tools. Activate for questions like "research best X", "what's the best library for Y", or "investigate Z".

Create professional resumes using first-principles thinking, Google XYZ format, company research, LaTeX Harvard-style formatting, and iterative visual refinement. Use when the user wants to create, update, or optimize a resume/CV for a specific job, company, or career goal.

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

Write consistent, maintainable CSS using the project's methodology (Tailwind, BEM, CSS Modules) with proper design tokens and performance optimization. Use this skill when writing or modifying styles, CSS classes, Tailwind utilities, or styling-related code. When working on files like *.css, *.scss, *.module.css, tailwind.config.js, or components with inline/utility styles. When applying design system tokens (colors, spacing, typography), avoiding framework style overrides, or optimizing CSS for production with purging/tree-shaking.

Interactive idea refinement using Socratic method to develop fully-formed designs

Builds AI agents using OpenAI Agents SDK with async/await patterns and multi-agent orchestration.Use when creating tutoring agents, building agent handoffs, implementing tool-calling agents, or orchestrating multiple specialists.Covers Agent class, Runner patterns, function tools, guardrails, and streaming responses.NOT when using raw OpenAI API without SDK or other agent frameworks like LangChain.

Port HuggingFace models to Candle with correct tensor naming. Use when debugging weight loading errors or matmul issues.

Patterns for building AI-powered chatbot backends using OpenAI Agents SDK with MCP (Model Context Protocol) server integration in FastAPI applications. Supports both standalone MCP servers and function tools.

Design, discover, and refactor multi-command workflows for Claude Code

Build accessible user interfaces using semantic HTML, ARIA attributes, keyboard navigation, and WCAG compliance. Use this skill when creating or modifying UI components, forms, interactive elements, navigation menus, modals, or any user-facing interface code. When working on Astro component files (.astro), React/Vue/Svelte component files, HTML template files, form components with inputs and labels, navigation menus and interactive widgets, modal dialogs and accordions, image components with alt text, button and link implementations, focus management code, or screen reader announcement logic.

Apply comprehensive brand style guidelines to all project work including UI components, code, documentation, and user-facing content. Use when creating or editing Angular components, HTML/CSS, TypeScript code, writing copy, documenting features, or any customer-facing materials to ensure brand consistency.

Guides writing Vitest tests for Chrome extension code. Use when creating tests, improving coverage, or testing Vue components, content scripts, or Chrome APIs.

Convert markdown newsletters to styled HTML matching the Catskill Crew brand and preview in browser

Generate conventional commit messages from staged changes by inspecting diffs, picking the correct type/scope, and writing the final text to the prompt-specified file.

Tailwind CSS styling with CVA variants, data-slots, layout patterns, and z-index management

Comprehensive guide for creating effective Claude Code skills with security best practices, CLI-specific features, and structural patterns. Use when creating skills, needing security guidance, understanding skill architecture, or learning best practices.