TypeScript-first schema validation library. Use for ALL input validation in TypeScript projects — API inputs, form data, environment variables, config files. Essential companion for tRPC (required), React Hook Form, and any data boundary. Choose Zod when you need runtime validation with automatic TypeScript type inference.
Authentication middleware for Express.js and Node.js applications. Use when building Express APIs that need JWT authentication, OAuth, or custom auth strategies. Provides 500+ authentication strategies. Choose Passport.js over Auth.js for Express backends, pure API servers, or when you need maximum control over auth flow.
Write and publish blog posts in the SvelteKit markdown blog with header images, proper frontmatter, and organized media files.
Generate comprehensive, fact-checked SAP technical articles and configuration guides with embedded images, flowcharts, and references. Use when users request SAP documentation, how-to guides, configuration tutorials, process explanations, or technical articles on SAP topics (ECC, S/4HANA, modules like SD, MM, FI, PP, ABAP, OData APIs, archiving, etc.). Creates professional Word documents with proper formatting and web-sourced visual aids with built-in image downloading.
Pattern for automated testing with GitHub issue creation and Claude Code auto-fixing. Creates Test → Fail → Issue → Fix → Repeat cycle until tests pass.
Generate and maintain a project structure index for fast AI navigation. Creates docs/structure.md with an AI-friendly map + tree. Use when starting a new project, after major changes, or when docs/structure.md is stale.
This skill should be used when the user asks to "create implementation plan", "plan the implementation", "detailed plan", "file-by-file plan", or mentions needing a comprehensive implementation plan before coding. Creates detailed file-by-file implementation plans by researching the codebase and outputting specific changes needed.
CSS and styling workflow guidelines. Activate when working with CSS files (.css), Tailwind CSS, Stylelint, or styling-related tasks.
Comprehensive codebase understanding through structured documentation and guided learning. Use when Claude needs to help a user understand how a project works by exploring and documenting the codebase architecture, concepts, and modules in a .learning/ directory, then guiding them through understanding the code with adaptive explanations. Triggered by requests like "help me understand this project", "document the architecture", "explain how this codebase works", or "guide me through the code".
Manually install Claude Code plugin components when official plugin installation fails. Use when `/plugin install` succeeds but plugins don't load, when verifying plugin installation, or when user mentions plugin installation issues.
Execute feature plans from ~/.ai/plans using progressive disclosure and state tracking. This skill reads existing feature plans, tracks implementation progress in implementation-state.md, uses the Plan agent to explore plans and codebases, and systematically implements features phase by phase. Pairs with the feature-planning skill.
Structuring Streamlit app layouts. Use when placing content in sidebars, columns, containers, or dialogs. Covers sidebar usage, column limits, horizontal containers, dialogs, and bordered cards.
Static web development skill for beginners and non-developers. Covers HTML/CSS/JavaScript and Next.js App Router basics. Triggers: static website, portfolio, landing page, HTML CSS, beginner, first website, simple web, personal site, 정적 웹, 포트폴리오, 랜딩페이지, 초보자, 첫 웹사이트, 간단한 웹, 静的サイト, ポートフォリオ, 初心者, 静态网站, 个人网站, 初学者
Guide users to choose between blocklet-dev-setup and blocklet-server-dev-setup. Ask what to develop (blocklet or server), handle migration from existing environments, explain convention directories, and showcase advanced usages. Use `/blocklet-getting-started` or say "I want to start blocklet development", "how to setup blocklet dev environment" to trigger.
Typography setup with Google Fonts for Next.js + Tailwind projects. Use when choosing fonts, need font pairing recommendations (SaaS, editorial, corporate presets), or setting up optimized font loading. Includes ready-to-use configurations and performance best practices.
Generate and maintain project structure index for fast AI navigation. Creates docs/structure.md with optimized file index. Load this skill when starting new project, after major changes, or when docs/structure.md is outdated.
Render JSON specs to human-readable markdown with AI-enhanced insights, visualizations, and progressive disclosure
Build React and Next.js components, pages, layouts, and hooks with App Router, RSC, Tailwind CSS or Styled Components, responsive design, accessibility, and PWA features
