IDE & Editors

Mobile-first responsive design specialist for SARAISE React/TypeScript/Tailwind applications. Provides guidance on breakpoints, fluid typography, flexible layouts, touch targets, and progressive enhancement. Use when creating responsive layouts, optimizing for mobile, or ensuring cross-device compatibility.

Guide a user through authoring a new document using the GoodDocs template and validation rules.

Comprehensive Pharo Smalltalk development workflow guide with AI-driven Tonel editing. Provides expertise in Tonel file format syntax (class definitions with name, superclass, instVars, category, method categories, class comment placement), package structure (package.st placement, directory organization, BaselineOf dependencies), development workflow (Edit → Import → Test cycle with absolute paths, re-import timing, test execution), and Pharo best practices (CRC format documentation, method categorization conventions). Use when working with Pharo Smalltalk projects, creating or editing Tonel .st files, organizing packages and dependencies, resolving import order issues, writing class comments, implementing standard Pharo development patterns, or troubleshooting Tonel syntax.

Framework and stack identification with detection scripts and patterns. Use when detecting project type, analyzing framework, identifying stack, initializing projects, or when user mentions project detection, framework analysis, stack identification, or codebase analysis.

A guide for relational database schema design best practices. Use this skill when a user wants to design a new database schema, understand best practices, create an ERD, write DDL scripts, or develop an indexing or schema evolution strategy.

Do experiment-driven research (hypotheses → minimal repros → evidence) and continuously improve research skills + tooling. Use when behavior is uncertain, contested, or performance-sensitive.

Guide for implementing Better Auth - a framework-agnostic authentication and authorization framework for TypeScript. Use when adding authentication features like email/password, OAuth, 2FA, passkeys, or advanced auth functionality to applications.

Unified markdown and skill management specialist providing document quality enforcement (structure, style), content optimization for AI assistants, complete skill creation workflow (scaffolding, validation, packaging), ASCII flowchart creation for visualizing complex workflows, user journeys, and decision trees, and install guide creation for MCP servers, plugins, and tools.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Guide for implementing Cloudflare Browser Rendering - a headless browser automation API for screenshots, PDFs, web scraping, and testing. Use when automating browsers, taking screenshots, generating PDFs, scraping dynamic content, extracting structured data, or testing web applications. Supports REST API, Workers Bindings (Puppeteer/Playwright), MCP servers, and AI-powered automation. (project)

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Codex's capabilities with specialized knowledge, workflows, or tool integrations.

Resolves ambiguous organism names to precise NCBI taxonomy IDs and scientific names, then recommends appropriate IWC (Intergalactic Workflow Commission) Galaxy workflows for analysis. Use this skill when users provide common names (like "malaria parasite", "E. coli", "mouse"), abbreviated names, or when you need to convert any organism reference to an exact scientific name for API queries. This skill handles disambiguation through conversation, validates taxonomy IDs via NCBI Taxonomy API, provides ENA FASTQ search capabilities, and ALWAYS recommends existing IWC workflows rather than producing custom scripts or analysis steps.

ReactでSPAフロントエンドを実装・改修するためのガイド。バックエンド分離前提でNext.jsやサーバーサイド機能に依存せず、React Router中心のクライアント実装を行う時に使う。認証はAuthProviderとuseAuthカスタムフックで統一し、OpenAPIからorvalまたはopenapi-typescriptで型/クライアントを生成して利用する。ESLint+Prettier、zod、shadcn/ui、デザイントークン（CSS変数/Tailwindテーマ）を前提にする場合に適用する。ディレクトリ構成はmodules/components/hooks/providers/servicesなどの直感的な命名で複雑化に耐える構成にする。

Create distinctive, production-grade iOS interfaces with SwiftUI. Use this skill when the user asks to build iOS screens, components, or views. Generates polished, native-feeling code that goes beyond generic templates while respecting Apple's Human Interface Guidelines.

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

Supadata API via curl. Use this skill to extract transcripts from YouTube/TikTok/Instagram videos and scrape web content to markdown.

Transforms content into a voiceover-ready script optimized for Chatterbox TTS. Use when the user provides ANY content for voiceover - URLs, raw text, video scripts, notes, or asks to "create a script" for audio.

Comprehensive frontend development guide for Next.js 14+ with App Router, React Server Components, TypeScript, and modern patterns. Use when building Next.js pages, components, layouts, API routes, server actions, data fetching, forms, state management, routing, or working with React 18+ features, TypeScript, Tailwind CSS, and frontend architecture.

Execute project release workflows by locating and following project-specific RELEASE_GUIDE.md in the repository root or docs/. Use when asked to perform a release, publish a release, cut a tag, run release steps, or when a user references RELEASE_GUIDE.md.

Master enterprise-grade TypeScript development with type-safe patterns, modern tooling, and framework integration. This skill provides comprehensive guidance for TypeScript 5.9+, covering type system fundamentals (generics, mapped types, conditional types, satisfies operator), enterprise patterns (error handling, validation with Zod), React integration for type-safe frontends, NestJS for scalable APIs, and LangChain.js for AI applications. Use when building type-safe applications, migrating JavaScript codebases, configuring modern toolchains (Vite 7, pnpm, ESLint, Vitest), implementing advanced type patterns, or comparing TypeScript with Java/Python approaches.