accelint-command-creator
Guide for creating Claude Code commands with skill integration. Use when users want to create a new Claude Code command specification, whether skill-based or standalone. Assists with command definition, skill discovery, argument specification, and command generation.
accelint-ts-testing
Use when writing, reviewing, or refactoring vitest tests. Load when you see *.test.ts or *.spec.ts files, nested describe blocks, loose assertions (toBeTruthy), over-mocking, slow tests, or async testing needs. Covers AAA pattern, parameterized tests, test doubles hierarchy, mock cleanup, test isolation, and performance optimization. Keywords include vitest, testing, TDD, assertions, mocks, stubs, fakes, spies, beforeEach, describe, it, expect, vi.mock, it.each.
accelint-ts-performance
Systematic JavaScript/TypeScript performance audit and optimization using V8 profiling and runtime patterns. Use when: (1) Users say 'optimize performance', 'audit performance', 'this is slow', 'reduce allocations', 'improve speed', 'check performance', (2) Analyzing code for performance anti-patterns (O(n²) complexity, excessive allocations, I/O blocking, template literal waste), (3) Optimizing functions regardless of current usage context - utilities, formatters, parsers are often called in hot paths even when they appear simple, (4) Fixing V8 deoptimization (monomorphic/polymorphic issues, inline caching). Audits ALL code for anti-patterns and reports findings with expected gains. Covers loops, caching, batching, memory locality, algorithmic complexity fixes with ❌/✅ patterns.
accelint-nextjs-best-practices
Next.js performance optimization and best practices. Use when writing Next.js code (App Router or Pages Router); implementing Server Components, Server Actions, or API routes; optimizing RSC serialization, data fetching, or server-side rendering; reviewing Next.js code for performance issues; fixing authentication in Server Actions; or implementing Suspense boundaries, parallel data fetching, or request deduplication.
accelint-skill-manager
Use when users say "create a skill", "make a new skill", "build a skill", "skill for X", "package this as a skill", or when refactoring/updating/auditing existing skills that extend agent capabilities with specialized knowledge, workflows, or tool integrations.
skill-name
Use when users say "[trigger phrase 1]", "[trigger phrase 2]", or when [specific scenario]. [WHAT this skill does]. [Additional trigger keywords for searchability].
writing-skills
Create and maintain skills for AI agents. Use when creating new skills, fixing broken skills, improving skill discovery, or validating skills work under pressure. Covers structure, testing, Claude Search Optimization, and self-healing patterns.
ui-ux-design
Create production-grade frontend interfaces with strong UX and visual craft. Use when building web components, pages, dashboards, forms, landing pages, or any UI. Use when user says 'build a form', 'create a dashboard', 'design a component', 'make a landing page', or asks for UI/UX work.
maven-tools
JVM dependency intelligence via Maven Tools MCP server. Use when user asks about Java/Kotlin/Scala dependencies, versions, upgrades, CVEs, or licenses. Use when analyzing pom.xml, build.gradle, or any Maven Central dependency. Use when user says 'check my dependencies', 'should I upgrade X', 'is this version safe', or 'what's the latest version of Y'.
github-navigator
GitHub operations via gh CLI. Uses built-in help to discover commands dynamically. Covers files, directories, issues, PRs, releases, actions, and everything else. CRITICAL: Always use this skill instead of webfetch for GitHub URLs.
context7
Fetch up-to-date library documentation via Context7 REST API. Use when needing current API docs, framework patterns, or code examples for any library. Use when user asks about React, Next.js, Prisma, Express, Vue, Angular, Svelte, or any npm/PyPI package. Use when user says 'how do I use X library', 'what's the API for Y', or needs official documentation. Lightweight alternative to Context7 MCP with no persistent context overhead.
codex-subagent
Helps you to run a subagent using codex exec
requirement-analysis
【当用户提出功能开发、API设计、数据库设计等需求时自动启用】系统化需求分析工作流 - 理解需求、探索代码库、澄清问题、使用ultrathink深度分析并在编码前展示实施计划（全程使用中文）
varlock
Secure environment variable management with Varlock. Use when handling secrets, API keys, credentials, or any sensitive configuration. Ensures secrets are never exposed in terminals, logs, traces, or Claude's context. Trigger phrases include "environment variables", "secrets", ".env", "API key", "credentials", "sensitive", "Varlock".
byterover-notion-sync
Advanced memory and knowledge management workflows for Byterover MCP Server. Use when creating implementation reports with timelines, documenting features as PRDs, or syncing project documentation folders with automatic conflict resolution. Extends basic retrieve/store operations with structured workflows for documentation, analysis, and knowledge synthesis.
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.
Setting up Prettier
Configure Prettier for any JavaScript/TypeScript project with recommended settings. Use when setting up code formatting, adding Prettier to existing projects, or when user mentions Prettier setup/フォーマッター設定.
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.
stripe-integration
Implement Stripe payment processing for robust, PCI-compliant payment flows including checkout, subscriptions, and webhooks. Use when integrating Stripe payments, building subscription systems, or implementing secure checkout flows.
slo-implementation
Define and implement Service Level Indicators (SLIs) and Service Level Objectives (SLOs) with error budgets and alerting. Use when establishing reliability targets, implementing SRE practices, or measuring service performance.
Setting up Next.js Project
Configure Next.js projects with ESLint, Prettier, and recommended settings. Use when initializing Next.js projects, setting up linting, or when user mentions Next.js setup/Next.jsセットアップ.
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.
Searching Web
Execute web searches with prioritized MCP server strategy (Brave-Search → WebFetch). Use when searching the web, looking up documentation, or when user mentions 検索/search/調べて.
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.
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.
Translating Technical Articles
Translates English technical articles (engineering blogs, documentation) to Japanese while preserving layout and structure. Use when the user asks to translate an article, convert English content to Japanese, or mentions translating a URL or technical blog post.
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.
Installing Plugins Manually
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.
react-modernization
Upgrade React applications to latest versions, migrate from class components to hooks, and adopt concurrent features. Use when modernizing React codebases, migrating to React Hooks, or upgrading to latest React versions.
gitops-workflow
Implement GitOps workflows with ArgoCD and Flux for automated, declarative Kubernetes deployments with continuous reconciliation. Use when implementing GitOps practices, automating Kubernetes deployments, or setting up declarative infrastructure management.
fastapi-templates
Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling. Use when building new FastAPI applications or setting up backend API projects.
Enforcing Git Commit Workflow
Enforce semantic commit practices with proper file staging and prefix usage. Use when committing code, managing git history, or when user mentions git/commit/コミット.
Creating Agent Skills
Guide Claude through creating well-structured Agent Skills following best practices. Use when creating new Skills, authoring SKILL.md files, or when the user asks to build a Skill for Claude Code.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
executing-ai-development-workflow
Execute a comprehensive AI-driven development workflow with planning, implementation, multi-layer review (Sub-agents + /review + CodeRabbit CLI), automated fixes, and PR creation. Use when implementing new features, performing large refactorings, developing security-critical features, or when the user mentions "AI開発ワークフロー", "AI development workflow", or "計画的に実装".
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.
dependency-upgrade
Manage major dependency version upgrades with compatibility analysis, staged rollout, and comprehensive testing. Use when upgrading framework versions, updating major dependencies, or managing breaking changes in libraries.
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.
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.
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.
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