designing-beautiful-frontends
Create distinctive, production-grade frontend interfaces with high
Enforcing pnpm
Ensure pnpm is used exclusively for package management, blocking npm/yarn commands. Use when running package scripts, installing dependencies, or when user mentions package manager/依存関係/パッケージ.
api-design-principles
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.
commit
Execute semantic git commits with individual file staging, prefix selection, and split-commit enforcement. Use when committing code, managing git history, or when user mentions git/commit/push.
webapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
architecture-patterns
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.
hybrid-cloud-networking
Configure secure, high-performance connectivity between on-premises infrastructure and cloud platforms using VPN and dedicated connections. Use when building hybrid cloud architectures, connecting data centers to cloud, or implementing secure cross-premises networking.
auditing-web-quality
Perform comprehensive web page quality audits using Chrome DevTools MCP including responsive layout verification, interactive element testing, console/network error detection, and accessibility checks. Use when user mentions "quality check", "UI check", "page audit", "responsive check", "deploy check", or asks to verify a web page before deployment. Also triggers on Japanese terms like "品質チェック", "UIチェック", "表示確認", "デプロイ前確認", "レスポンシブ確認", "アクセシビリティ確認".
k8s-manifest-generator
Create production-ready Kubernetes manifests for Deployments, Services, ConfigMaps, and Secrets following best practices and security standards. Use when generating Kubernetes YAML manifests, creating K8s resources, or implementing production-grade Kubernetes configurations.
helm-chart-scaffolding
Design, organize, and manage Helm charts for templating and packaging Kubernetes applications with reusable configurations. Use when creating Helm charts, packaging Kubernetes applications, or implementing templated deployments.
enforcing-strict-tdd-cycle
Orchestrate a comprehensive TDD workflow with multi-agent Red-Green-Refactor discipline, phase gates, and coverage validation. Use when user mentions "tdd-cycle", "TDDサイクル", "厳密なTDD", "TDDオーケストレーション", or needs strict test-first development with automated quality checks.
installing-project-mcps
Install MCP servers into the current project scope using claude mcp add. Use when setting up a new project, when user mentions MCP setup, project MCP, MCPインストール, MCPセットアップ, or /installing-project-mcps.
billing-automation
Build automated billing systems for recurring payments, invoicing, subscription lifecycle, and dunning management. Use when implementing subscription billing, automating invoicing, or managing recurring payment systems.
Creating Atomic PRs
Create small, focused Pull Requests by splitting implementations into atomic steps. Prevents direct work on main/master branches and enforces safe Git workflows. Use when the user asks to commit changes, create PRs, or mentions git operations. Keywords: commit, PR, pull request, git, branch, main, master, コミット, プルリクエスト.
executing-ai-development-workflow
Execute a structured AI-driven development workflow with research, planning, implementation, optional multi-layer review (4 Sub-agents + /review + CodeRabbit CLI), priority-based fixes, and PR creation. Supports Light mode (fast, default) and Full mode (quality-focused with reviews). Use when implementing new features, performing large refactorings, starting feature development, or when the user mentions "AI development workflow", "AI開発ワークフロー", "feature workflow", "機能開発ワークフロー", "計画的に実装", "開発プロセス実行", "品質重視で実装", or "多層レビューで開発".
database-migration
Execute database migrations across ORMs and platforms with zero-downtime strategies, data transformation, and rollback procedures. Use when migrating databases, changing schemas, performing data transformations, or implementing zero-downtime deployment strategies.
generating-gitignore
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grafana-dashboards
Create and manage production Grafana dashboards for real-time visualization of system and application metrics. Use when building monitoring dashboards, visualizing metrics, or creating operational observability interfaces.
distributed-tracing
Implement distributed tracing with Jaeger and Tempo to track requests across microservices and identify performance bottlenecks. Use when debugging microservices, analyzing request flows, or implementing observability for distributed systems.
solidity-security
Master smart contract security best practices to prevent common vulnerabilities and implement secure Solidity patterns. Use when writing smart contracts, auditing existing contracts, or implementing security measures for blockchain applications.
angular-migration
Migrate from AngularJS to Angular using hybrid mode, incremental component rewriting, and dependency injection updates. Use when upgrading AngularJS applications, planning framework migrations, or modernizing legacy Angular code.
javascript-testing-patterns
Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development. Use when writing JavaScript/TypeScript tests, setting up test infrastructure, or implementing TDD/BDD workflows.
terraform-module-library
Build reusable Terraform modules for AWS, Azure, and GCP infrastructure following infrastructure-as-code best practices. Use when creating infrastructure modules, standardizing cloud provisioning, or implementing reusable IaC components.
changelog
Claude Codeの最新CHANGELOGを取得し、変更内容を日本語で解説する。ユーザーがClaude Codeの更新内容、最新バージョン、リリースノートについて聞いたときに使う。
boris
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typescript-advanced-types
Master TypeScript's advanced type system including generics, conditional types, mapped types, template literals, and utility types for building type-safe applications. Use when implementing complex type logic, creating reusable type utilities, or ensuring compile-time type safety in TypeScript projects.
web-artifacts-builder
Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.
web3-testing
Test smart contracts comprehensively using Hardhat and Foundry with unit tests, integration tests, and mainnet forking. Use when testing Solidity contracts, setting up blockchain test suites, or validating DeFi protocols.
k8s-security-policies
Implement Kubernetes security policies including NetworkPolicy, PodSecurityPolicy, and RBAC for production-grade security. Use when securing Kubernetes clusters, implementing network isolation, or enforcing pod security standards.
langchain-architecture
Design LLM applications using the LangChain framework with agents, memory, and tool integration patterns. Use when building LangChain applications, implementing AI agents, or creating complex LLM workflows.
launching-gtr-issue-worktree
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llm-evaluation
Implement comprehensive evaluation strategies for LLM applications using automated metrics, human feedback, and benchmarking. Use when testing LLM performance, measuring AI application quality, or establishing evaluation frameworks.
logging-implementation
Manage implementation logs in _docs/templates/ with consistent format. Use when starting project work, completing implementations, or when user mentions 実装ログ/implementation log.
Managing Timecard
Handle timecard punch-in/out operations using /dakoku command. Use when user executes /dakoku, needs to record work hours, or mentions timecard/勤怠/打刻.
microservices-patterns
Design microservices architectures with service boundaries, event-driven communication, and resilience patterns. Use when building distributed systems, decomposing monoliths, or implementing microservices.
ml-pipeline-workflow
Build end-to-end MLOps pipelines from data preparation through model training, validation, and production deployment. Use when creating ML pipelines, implementing MLOps practices, or automating model training and deployment workflows.
modern-javascript-patterns
Master ES6+ features including async/await, destructuring, spread operators, arrow functions, promises, modules, iterators, generators, and functional programming patterns for writing clean, efficient JavaScript code. Use when refactoring legacy code, implementing modern patterns, or optimizing JavaScript applications.
multi-cloud-architecture
Design multi-cloud architectures using a decision framework to select and integrate services across AWS, Azure, and GCP. Use when building multi-cloud systems, avoiding vendor lock-in, or leveraging best-of-breed services from multiple providers.
Applying Next.js Basic Principles
Apply Next.js design principles and best practices for App Router, Server Components, caching strategies, and modern patterns including Next.js 16 updates. Use when building Next.js applications, implementing features, reviewing architecture, migrating to Next.js 16, or when the user mentions Next.js development, components, routing, optimization, or version updates.
nft-standards
Implement NFT standards (ERC-721, ERC-1155) with proper metadata handling, minting strategies, and marketplace integration. Use when creating NFT contracts, building NFT marketplaces, or implementing digital asset systems.
cost-optimization
Optimize cloud costs through resource rightsizing, tagging strategies, reserved instances, and spending analysis. Use when reducing cloud expenses, analyzing infrastructure costs, or implementing cost governance policies.
nodejs-backend-patterns
Build production-ready Node.js backend services with Express/Fastify, implementing middleware patterns, error handling, authentication, database integration, and API design best practices. Use when creating Node.js servers, REST APIs, GraphQL backends, or microservices architectures.
paypal-integration
Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows.
pci-compliance
Implement PCI DSS compliance requirements for secure handling of payment card data and payment systems. Use when securing payment processing, achieving PCI compliance, or implementing payment card security measures.
Practicing TDD
Guide Test-Driven Development workflow with Red-Green-Refactor cycle. Use when developing features, fixing bugs, or when user mentions TDD/テスト駆動開発/test-first.
prometheus-configuration
Set up Prometheus for comprehensive metric collection, storage, and monitoring of infrastructure and applications. Use when implementing metrics collection, setting up monitoring infrastructure, or configuring alerting systems.
prompt-engineering-patterns
Master advanced prompt engineering techniques to maximize LLM performance, reliability, and controllability in production. Use when optimizing prompts, improving LLM outputs, or designing production prompt templates.
rag-implementation
Build Retrieval-Augmented Generation (RAG) systems for LLM applications with vector databases and semantic search. Use when implementing knowledge-grounded AI, building document Q&A systems, or integrating LLMs with external knowledge bases.
sast-configuration
Configure Static Application Security Testing (SAST) tools for automated vulnerability detection in application code. Use when setting up security scanning, implementing DevSecOps practices, or automating code vulnerability detection.
Searching Intelligently
Intelligently select and use the most appropriate search tool based on search intent. Use when searching for information, whether web content, local files, locations, or specific data. Automatically chooses between WebSearch, Brave Search, Firecrawl, Desktop Commander, or other search MCPs.
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