Frontend

Comprehensive implementation planning guidelines for Pantas Green Django projects.Use when: planning features, designing solutions, creating technical specs, writing implementation docs.Triggers: plan, implement, design, architecture, feature, spec, GRE-, jira, ticket, roadmap, proposal

Automated code validation for diff review, change hygiene, and red flag detection. Use when reviewing git diffs, PRs, or changed files for test disabling patterns, secrets, path portability issues, security flags, and large deletions. Supports Python, TypeScript, JavaScript, HTML, and CSS.

Refactor legacy Help patterns to the correct BaseHelp system. Use when converting files that use the old HELP object literal pattern (with severity "requirement", field, expected properties) to the correct pipeHelp pattern with SEVERITY constants. Applies to 635+ files in src/{array,string,map,object,mathematical}/*/constants/ that need migration.

CSS custom properties theme architecture for 4 themes (studio, earth, athlete, gradient) with data-theme attribute switching and theme-aware components. Use when implementing theme switching, defining color schemes, or creating theme-responsive UI elements.

Builds React applications with Mantine's 100+ components, hooks, and form library. Use when creating feature-rich UIs with built-in dark mode, accessibility, and TypeScript support.

Use when educators need to validate if their lesson plan covers all 3 Delegation subcategories (Problem/Platform/Task Awareness).Analyzes lesson plans and provides objective scores (0-10) with actionable feedback.Works in Claude.ai, Claude Code, and API for maximum portability.

Adds reactive and declarative behavior to HTML with minimal JavaScript using Alpine.js directives. Use when adding lightweight interactivity to server-rendered pages, building interactive components without a build step, or when user mentions Alpine.js, x-data, or Tailwind-style reactivity.

Svelte 5 - Reactive UI framework with compiler magic, Runes API, SvelteKit full-stack framework, SSR/SSG, minimal JavaScript

Guide for advanced Next.js App Router patterns including Route Handlers, Parallel Routes, Intercepting Routes, Server Actions, error boundaries, draft mode, and streaming with Suspense. CRITICAL for server actions (action.ts, actions.ts files, 'use server' directive), setting cookies from client components, and form handling. Use when requirements involve server actions, form submissions, cookies, mutations, API routes, `route.ts`, parallel routes, intercepting routes, or streaming. Essential for separating server actions from client components.

フロントエンド開発（React/TypeScript）のベストプラクティスと規約

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

Expert MCP (Model Context Protocol) orchestration with n8n workflow automation. Master bidirectional MCP integration, expose n8n workflows as AI agent tools, consume MCP servers in workflows, build agentic systems, orchestrate multi-agent workflows, and create production-ready AI-powered automation pipelines with Claude Code integration.

Implement client-side data storage with localStorage, IndexedDB, or SQLite WASM. Use when storing user preferences, caching data, or building offline-first applications.

C# static analysis tool for call graphs, unused code detection, impact analysis, HTML documentation generation, and Graphviz diagram export

Development: Cleanup and maintenance for the development environment.Removes build artifacts, caches, containers, and recovers disk space.Run from repository root with 'just clean'. Use when developers needto free disk space or reset the build environment.

Expert on FLUI's reactive state management with signals, hooks, and effects. Use when discussing state, signals, use_signal, use_effect, reactivity, or data flow.

Deployment protection with environment protection rules, required reviewers, wait timers, and approval gates for production deployments.

Builds enterprise React applications with Ant Design's comprehensive component library. Use when creating admin dashboards, data tables, complex forms, or enterprise UIs with consistent design language.

This skill should be used when Ethereum developers are building smart contracts on pod network. It explains pod's coordination-free, blockless execution model, teaches order-independent programming with CRDTs, identifies Ethereum patterns that break on pod, and shows when to use external sequencing for order-dependent applications.

Analyze CSS coverage, identify unused rules, and detect stylesheet conflicts. Use after visual QA to optimize stylesheets before publication.