Development

Check, add, or fix HPE copyright headers in source files. Use this skill when (1) Adding copyright headers to new files, (2) Checking if files have valid copyright headers, (3) Updating outdated copyright years, (4) Preparing code for CI that enforces copyright headers, (5) User mentions "copyright", "HPE header", or "copyright check". Format is "Copyright YYYY-YYYY Hewlett Packard Enterprise Development LP" as a comment on the first line.

Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing applications for better maintainability.

StudioJinsei公式LINE用のスキル。手書き風キレイめスタイル、Apple風ミニマルデザイン、プロフェッショナルな雰囲気で画像生成・コンテンツ作成を行います。

Dig to fundamental truths and real causes behind problems. Use when user asks "why does this happen", "what's the real problem", "root cause", "first principles", "jobs to be done", "JTBD", "five whys", "fundamental reason", or needs to understand underlying causes rather than symptoms.

provides response when codeword "FLAMINGO" appears in instructions

Creates Claude Code hooks for automation and workflow customization.Guides through hook events, configuration, and script creation.Use when user wants to create a hook, automate Claude Code, or asks about hook events.

This skill should be used when the user requests to scaffold, create, or initialize a full-stack Next.js application with a modern tech stack including Next.js 16, React 19, TypeScript, Tailwind CSS v4, shadcn/ui, Supabase auth, Prisma ORM, and comprehensive testing setup. Use it for creating production-ready starter templates with authentication, protected routes, forms, and example features. Trigger terms scaffold, create nextjs app, initialize fullstack, starter template, boilerplate, setup nextjs, production template, full-stack setup, nextjs supabase, nextjs prisma.

Expert skill for maintaining Python code quality using ruff (linting/formatting), mypy (type checking), and pre-commit automation.

Build AI chat interfaces with custom backends, authentication, and context injection.Use when integrating chat UI with AI agents, adding auth to chat, injecting user/page context,or implementing httpOnly cookie proxies. Covers ChatKitServer, useChatKit, and MCP auth patterns.NOT when building simple chatbots without persistence or custom agent integration.

Documentation organization, maintenance, and cleanup.USE WHEN: organizing docs, cleaning project root, updating documentation,checking for redundancy, maintaining docs structure.NOT FOR: technical implementation (use relevant technical skill).Examples:<example>Context: User added documentation to wrong location.user: "I added a new API doc file to the root directory"assistant: "I'll use docs-keeper to organize it in the proper docs/ location."<commentary>File organization is docs-keeper responsibility.</commentary></example><example>Context: User needs to update docs after code changes.user: "I modified the auth system and need to update the docs"assistant: "I'll use docs-keeper to update the authentication documentation."<commentary>Documentation updates are docs-keeper responsibility.</commentary></example>

Builds applications with Nuxt 3 including pages, layouts, composables, server routes, and data fetching. Use when creating Vue applications with SSR, building full-stack Vue apps, or needing file-based routing with Vue.

Use when the user asks to create, build, implement, write, design, plan, generate, draft, make, add a feature, or develop. Provides tiered and anchored development preventing over-engineering and scope creep. The workspace and externalized traces drive tether's workflow.

Universal data cleaning skill that analyzes, cleans, and standardizes datasets across CSV, TSV, Excel, Parquet, JSON, XML, and YAML formats. Generates Python scripts for efficient processing of large datasets (1M+ rows) without loading data into LLM context.

Complete knowledge domain for Cloudflare Workflows - durable execution frameworkfor building multi-step applications on Workers that automatically retry, persiststate, and run for hours or days.Use when: creating long-running workflows, implementing retry logic, buildingevent-driven processes, scheduling multi-step tasks, coordinating between APIs,or encountering "NonRetryableError", "I/O context", "workflow execution failed","serialization error", or "WorkflowEvent not found" errors.Keywords: cloudflare workflows, workflows workers, durable execution, workflow step,WorkflowEntrypoint, step.do, step.sleep, workflow retries, NonRetryableError,workflow state, wrangler workflows, workflow events, long-running tasks, step.sleepUntil,step.waitForEvent, workflow bindings

Design and implement Next.js 15 + Supabase architecture for web-based escape room games. Handles database schema design, game engine class structure, scene transition logic, evidence discovery systems, and ending branches. Use when architecting web escape room games, designing game state management, or implementing murder mystery game mechanics with Next.js and Supabase.

Use when spec is complete and you need detailed implementation tasks for LLM agents. Creates execution plans with exact file paths, complete code examples, and verification steps. Triggers: 'write plan', 'execution plan', 'implementation plan', 'break down into tasks', 'detailed steps'.

Analyze and resolve Sentry comments on GitHub Pull Requests. Use this when asked to review or fix issues identified by Sentry in PR comments. Can review specific PRs by number or automatically find recent PRs with Sentry feedback.

Shared libraries guidelines for Quantum Skincare's TypeScript shared code (types, validation, utils). Covers type definitions, Zod validation schemas, utility functions, contract maintenance, DB vs App type separation, enum patterns, reusable refinements, and cross-project consistency. Use when working with @quantum/shared-types, @quantum/shared-validation, @quantum/shared-utils, or maintaining shared contracts.

This skill should be used when agents need to provide clickable code references to users in reports, investigations, or bug findings. It ensures file references use the simple path:line_number format that Claude Code automatically converts to clickable links. Do not use for general documentation or conceptual explanations.

Build and deploy this Next.js presentation application with PostgreSQL database. Use when building, deploying, setting up database, or preparing the project for production. Triggers on requests to build, deploy, seed database, or publish.