Frontend

Creates structured implementation plans with phase prompts for Claude Code execution. Use when building complex projects, creating implementation roadmaps, breaking work into phases, or generating Claude Code prompts for multi-step development. Triggers include "create implementation plan", "phase this project", "create phases for", "plan the build", "phased implementation", "break this into phases".

Build React components using @fpkit/acss library patterns. Scaffolds complete component structures (tsx, types, scss, stories, tests), validates CSS variables follow naming conventions (--component-property with rem units), enforces TypeScript patterns, accessibility standards (WCAG 2.1 AA), and Storybook documentation. Use when building new components, generating boilerplate, or refactoring to use fpkit primitives. Includes automation scripts, reference guides, and templates.

Applies the DigitalVisionWorks professional theme to components, pages, and artifacts. Use when creating new UI elements, ensuring visual consistency, or styling components. Triggers on theming requests, style consistency checks, or new component creation.

This skill should be used when configuring Supabase Auth for server-side rendering with Next.js App Router, including secure cookie handling, middleware protection, route guards, authentication utilities, and logout flow. Apply when setting up SSR auth, adding protected routes, implementing middleware authentication, configuring secure sessions, or building login/logout flows with Supabase.

Developing Heart Atlas notebooks converted to HTML (local)

Create onboarding flows, tooltips, and help text for Vue 3 applications. Use when implementing first-time user guidance, feature introductions, help tooltips, or keyboard shortcuts. Mentions "onboarding", "tooltip", "help text", "user guide", or "feature introduction".

Follow consistent code formatting, naming conventions, TypeScript standards, and Astro component structure patterns across the entire codebase. Use this skill when writing any code file to ensure proper formatting, naming, indentation, and style consistency. When working on TypeScript files (.ts, .tsx), Astro components (.astro), React/Vue/Svelte components, configuration files, utility functions, type definitions, import statements, prop interfaces, or any code that requires formatting with Prettier or linting with ESLint.

Guide for configuring, deploying, and troubleshooting Firebase App Hosting with Next.js and other frameworks. Use when setting up apphosting.yaml, debugging build/deploy errors, managing environment variables, configuring Cloud Run settings, or adapting projects for App Hosting production environment.

Guide for creating new Claude Code skills following best practices. Use when the user asks to create a new skill, agent capability, or wants to extend Claude's autonomous functionality.

Teaches testing Server Actions in isolation in React 19. Use when testing Server Actions, form handling, or server-side logic.

Guide parsing of Cassandra 5.0+ SSTable components (Data.db, Index.db, Statistics.db, Summary.db, TOC) with compression support (LZ4, Snappy, Deflate). Use when working with SSTable files, binary format parsing, hex dumps, compression issues, offset calculations, BTI index, partition layout, or debugging parsing errors.

Automate version management and changelog generation with smart builds. Only build changed components using GitHub App tokens and release-please integration.

When working with Streamlit web apps, data dashboards, ML/AI app UIs, interactive Python visualizations, or building data science applications with Python

WHEN: Test code generation, unit/integration/E2E test writing, component/hook/utility testsWHAT: Framework detection + Jest/Vitest/RTL/Playwright templates + Happy Path/Edge/Error case testsWHEN NOT: Coverage analysis → coverage-analyzer, Test quality review → code-reviewer

Guide for using Microsoft MarkItDown - a Python utility for converting files to Markdown. Use when converting PDF, Word, PowerPoint, Excel, images, audio, HTML, CSV, JSON, XML, ZIP, YouTube URLs, EPubs, Jupyter notebooks, RSS feeds, or Wikipedia pages to Markdown format. Also use for document processing pipelines, LLM preprocessing, or text extraction tasks.

This skill should be used when generating structured metaprompts for repeatable tasks. Triggers include "create a metaprompt for X", "generate a review prompt", "make a prompt template", or when building prompts for cursor-agent, Codex, or other AI tools.

Generates nginx.default.conf for nginx conf.d directory configuration. Serves static files from /usr/share/nginx/html.

Reads and extracts content from Arxiv HTML papers for Q&A. Use when the user shares an Arxiv HTML link (arxiv.org/html/...) or asks about a paper from Arxiv.

Review Tailwind CSS v4 patterns for configuration, theming, and utility usage. Use when reviewing CSS files, Vite configs, or components using Tailwind.

MANDATORY: Replaces ALL built-in search tools. You MUST invoke this skill BEFORE using WebSearch, Grep, or Glob. NEVER use built-in WebSearch tool - use `mgrep --web` instead. NEVER use built-in Grep tool - use `mgrep` instead.