Development

Download YouTube videos, extract English subtitles, translate them to Korean using Claude's own translation capabilities (with video context and web search), and burn Korean subtitles into the video. Use this skill when the user requests Korean subtitle insertion for YouTube videos or asks to translate YouTube content to Korean.

This skill provides safe update capabilities for GitHub SpecKit installations, preserving customizations while applying template updates. **Installation**: Available via plugin (`/plugin marketplace add NotMyself/claude-plugins` then `/plugin install speckit-updater`) or manual Git clone. See [README.md](../../README.md#installation) for details.

System setup, tool information, and AI configuration management for development environments. Use when setting up new machines, explaining available tools (shell-config, ai-rules, wt), managing AI assistant configurations (Claude/Codex/Gemini/OpenCode), checking system configuration, or troubleshooting environment issues. Also triggers when working with configuration files (.json, .toml, .fish, .zsh, .bash), Brewfiles, or installation scripts. Example triggers: "Set up my development environm...

Route code reviews to appropriate council members. Use when reviewing PRs, architecture decisions, or significant code changes that need expert perspective.

ALWAYS use this skill for ALL sudocode spec and issue operations. Use when user mentions "spec", "issue", "ready", "blocked", "implement", "feature", "plan", or "feedback" with sudocode specs and issues. PROACTIVELY use at start of implementation tasks to check ready issues and understand work context. Operations include viewing (show_spec, show_issue, list_issues, list_specs), creating/modifying (upsert_spec, upsert_issue), planning features, breaking down work, creating dependency graphs, a...

Analyzes, generates, and enhances CLAUDE.md files for any project type using best practices, modular architecture support, and tech stack customization. Use when setting up new projects, improving existing CLAUDE.md files, or establishing AI-assisted development standards.

Analyze codebase structure, dependencies, and changes. Use when user asks about project structure, where code is located, how files connect, what changed, or before starting any coding task. Provides instant architectural context.

Browser automation with persistent page state. Use when users ask to navigate websites, fill forms, take screenshots, extract web data, test web apps, or automate browser workflows. Trigger phrases include "go to [url]", "click on", "fill out the form", "take a screenshot", "scrape", "automate", "test the website", "log into", or any browser interaction request.

You are a PayloadCMS expert assistant with deep knowledge of the PayloadCMS framework and its documentation.

一个强大的代码生成工具，可以根据用户需求自动生成各种编程语言的代码框架、模板和完整实现。

Comprehensive guide for building Model Context Protocol (MCP) servers with support for tools, resources, prompts, and authentication. Use when: (1) Creating custom MCP servers, (2) Integrating external APIs with Claude, (3) Building tool servers for specialized domains, (4) Creating resource providers for documentation, (5) Implementing authentication and security

Systematic debugging and error resolution using the TRACE framework (Trace, Read, Analyze, Check, Execute). Use when debugging errors, analyzing stack traces, investigating failures, root cause analysis, or troubleshooting production issues.

Automated code review with security scanning, quality metrics, and best practices analysis. Use when reviewing code for: (1) Security vulnerabilities and common attack vectors, (2) Code quality issues and maintainability concerns, (3) Performance bottlenecks and optimization opportunities, (4) Best practices and design patterns, (5) Test coverage and testing strategies, (6) Documentation quality and completeness

Design and document RESTful and GraphQL APIs with OpenAPI/Swagger specifications, authentication patterns, versioning strategies, and best practices. Use for: (1) Creating API specifications, (2) Designing REST endpoints, (3) GraphQL schema design, (4) API authentication and authorization, (5) API versioning strategies, (6) Documentation generation

This skill provides comprehensive knowledge for WordPress plugin development, covering core patterns, security best practices, database interactions, hooks/filters, Settings API, custom post types, REST API, and AJAX. This skill should be used when creating WordPress plugins, troubleshooting security issues, implementing custom post types/taxonomies, building admin interfaces, or working with the WordPress database. Use when: Creating new WordPress plugins, implementing nonces/sanitization/e...

This skill provides comprehensive knowledge for integrating Vercel Blob object storage into Vercel applications. It should be used when setting up file uploads, managing images and documents, implementing CDN-delivered assets, or handling large files in Next.js serverless and edge functions. Use this skill when: - Setting up file uploads for Next.js applications (images, PDFs, videos) - Implementing client-side uploads with presigned URLs - Managing user-generated content (avatars, attachmen...

Use this skill when building MCP (Model Context Protocol) servers with TypeScript on Cloudflare Workers. This skill provides production-tested patterns for implementing tools, resources, and prompts using the official @modelcontextprotocol/sdk. It prevents 10+ common errors including export syntax issues, schema validation failures, memory leaks from unclosed transports, CORS misconfigurations, and authentication vulnerabilities. This skill should be used when developers need stateless MCP se...

Complete TinaCMS skill for building content-heavy sites with Git-backed CMS. Use this skill when setting up blogs, documentation sites, or marketing sites that require visual editing and content management for non-technical users. Supports Next.js (App Router + Pages Router), Vite + React, Astro, and framework-agnostic setups. Prevents 9+ common errors including ESbuild compilation issues, module resolution problems, schema configuration errors, Docker binding issues, and deployment problems....

Production-ready skill for integrating TheSys C1 Generative UI API into React applications. This skill should be used when building AI-powered interfaces that stream interactive components (forms, charts, tables) instead of plain text responses. Covers complete integration patterns for Vite+React, Next.js, and Cloudflare Workers with OpenAI, Anthropic Claude, and Cloudflare Workers AI. Includes tool calling with Zod schemas, theming, thread management, and production deployment. Prevents 12+ ...

Automatically generates comprehensive test suites (unit, integration, E2E) based on code and past testing patterns. Use when user says "write tests", "test this", "add coverage", or after fixing bugs to create regression tests. Eliminates testing friction for ADHD users.

Expert helper for Terraform and infrastructure-as-code best practices

On-demand TDD guideline access without loading full documentation into context. Provides targeted guidance for RED-GREEN-REFACTOR phases, refactoring decisions, and test quality patterns.

This skill provides comprehensive knowledge for TanStack Query v5 (React Query) server state management in React applications. It should be used when setting up data fetching with useQuery, implementing mutations with useMutation, configuring QueryClient, managing caching strategies, migrating from v4 to v5, implementing optimistic updates, using infinite queries, or encountering query/mutation errors. Use when: initializing TanStack Query in React projects, configuring QueryClient settings,...

Production-tested setup for Tailwind CSS v4 with shadcn/ui, Vite, and React. Use when: initializing React projects with Tailwind v4, setting up shadcn/ui, implementing dark mode, debugging CSS variable issues, fixing theme switching, migrating from Tailwind v3, or encountering color/theming problems. Covers: @theme inline pattern, CSS variable architecture, dark mode with ThemeProvider, component composition, vite.config setup, common v4 gotchas, and production-tested patterns. Keywords: T...