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Skills(SKILL.md)は、AIエージェント(Claude Code、Cursor、Codexなど)に特定の能力を追加するための設定ファイルです。
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AI operational modes (brainstorm, implement, debug, review, teach, ship, orchestrate). Use to adapt behavior based on task type.
Elite code review expert specializing in modern AI-powered code
Guide for continuous improvement, error proofing, and standardization. Use this skill when the user wants to improve code quality, refactor, or discuss process improvements.
Comprehensive fullstack development skill for building complete web applications with React, Next.js, Node.js, GraphQL, and PostgreSQL. Includes project scaffolding, code quality analysis, architecture patterns, and complete tech stack guidance. Use when building new projects, analyzing code quality, implementing design patterns, or setting up development workflows.
Test-Driven Development workflow principles. RED-GREEN-REFACTOR cycle.
Detect common technical and organizational anti-patterns in proposals, architectures, and plans. Use when strategic-cto-mentor needs to identify red flags before they become problems.
Reviews Advent of Code TypeScript solutions for code quality, TypeScript idioms, and performance. Use when asked to review a day's solution, critique AoC code, or get feedback on puzzle implementations.
Validates REST API implementations against OpenAPI 3.x specifications. Use when (1) Implementing or reviewing API endpoints, (2) Before deploying API changes to production, (3) Ensuring contract compliance between spec and implementation, or (4) Debugging API integration issues caused by contract mismatches. Works with Python (FastAPI/Flask) backends.
Validate OpenAPI, Swagger, and GraphQL schemas match backend implementation. Detect breaking changes, generate TypeScript clients, and ensure API documentation stays synchronized. Use when working with API spec files (.yaml, .json, .graphql), reviewing API changes, generating frontend types, or validating endpoint implementations.
Activate API design specialist mode. Expert in REST best practices, GraphQL, and OpenAPI specifications. Use when designing API contracts, endpoints, request/response formats, or API documentation.
API development expert including REST design, OpenAPI, and documentation
Update or create API documentation after making changes to the public interface of an API. Use when modifying existing endpoints, introducing new endpoints, or when API implementation changes are complete and tested.
Verifies API documentation against source code to eliminate fabricated claims, ensure accuracy, and validate examples. Zero tolerance for unverified claims, marketing language, or non-runnable code examples. Use before committing API docs or during documentation reviews.
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Implements API endpoints, routes, controllers, and request/response handling. Use when implementing REST APIs, GraphQL APIs, or other API endpoints. Handles routing, validation, error handling, and response formatting.
Expert guidance for designing, integrating, and maintaining third-party APIs with best practices for authentication, error handling, rate limiting, security, and data transformation. Use when integrating external APIs, troubleshooting API issues, implementing OAuth flows, handling webhooks, or building API wrappers and clients.
Expert API research including discovery, evaluation, integration analysis, and documentation review
api-review
Style and formatting rules for API/SDK documentation, samples, and tutorials.
Structure of ApiResponse class.
Enforce comments-first workflow for new code and improve naming/documentation for existing code. Use when writing new classes, methods, or functions; when code is 'confusing' or 'hard to understand'; when naming precision is poor; or when variable documentation lacks units, bounds, or ownership. Triggers on: new code, comments-first, naming review, documentation review, not obvious, hard to understand. Produces well-documented code with precise naming, or identifies design problems when comments/names are hard to write.
Evaluate module design using APOSD principles with 40-item checklist. Detect complexity symptoms (change amplification, cognitive load, unknown unknowns), shallow modules, information leakage, pass-through methods, and structural anti-patterns. Produce categorized design review (Critical/Moderate/Observations/Positive). Use when reviewing code, assessing interfaces, during PR review, or evaluating 'is this too complex?' Triggers on: code review, design review, module complexity, interface assessment, PR review, structural analysis.
Review and process app submissions for the Pollinations showcase. Parse issues, validate submissions, create PRs, handle user corrections.
Generate optimized Apple App Store metadata recommendations with ASO best practices. Use this skill when analyzing app listings, optimizing metadata (title, subtitle, description, keywords), performing competitive analysis, or validating App Store listing requirements. Triggers on queries about App Store optimization, metadata review, or screenshot strategy.
iOS App Store and Google Play submission requirements and process.
Master App Store deployment - Submission, TestFlight, CI/CD, release management
Secure applications against common vulnerabilities. Use when reviewing code for security, implementing security controls, or hardening applications. Covers OWASP Top 10.
Use after code review - implement ALL findings; any finding not fixed MUST have tracking issue created; no finding disappears without trace
Apply and validate the 7 Key Principles to code - TDD, Fail Fast, Modular, Reuse, Open Source, No Debt, Excellence. Checks code compliance and suggests improvements. Use during code review or refactoring.
Systematically consume QA quality gate outputs and apply prioritized fixes for high-severity issues, NFR failures, and test coverage gaps. Use when quality review identifies issues requiring remediation.
Manages Human-in-the-Loop (HITL) approval workflows for sensitive actions. Use when creating approval requests, processing approved items, or implementing safety controls for autonomous actions.
Expert iOS App Store submission and approval system. 9 specialized agents providing senior App Review Team-level expertise across compliance, design, privacy, monetization, metadata, technical requirements, timing, rejection recovery, and learning. Triggers on keywords like app store, iOS submission, apple review, app rejection, aso, privacy manifest, privacy labels, ATT, iap, in-app purchase, subscription, storekit, review guidelines, HIG, testflight, app store connect.
App Store submission prep for health + AI apps: privacy, review notes, rejection risks.
aps-documentation
Manage Advance Review Copy (ARC) campaigns for book launches. Use when recruiting beta readers, distributing advance copies, tracking reviewer commitments, writing ARC recruitment emails, managing review team communications, or planning review acquisition strategies. Triggers on requests involving book reviews, ARC teams, beta readers, or review campaigns.
アーキテクチャレビュー。SOLID/YAGNI/DRY/KISS原則に基づき、オーバーエンジニアリングを避けた実践的な設計改善を提案する。
Use when reviewing code for security vulnerabilities, implementing authorization, or ensuring data protection.
Technical workflow for architect-agent - PRD creation with mandatory database context, entity design with Zod, iteration review, and agent coordination in the iterative v2.0 system
Master software architect specializing in modern architecture
Expert architecture reviewer specializing in system design validation, architectural patterns, and technical decision assessment. Masters scalability analysis, technology stack evaluation, and evolutionary architecture with focus on maintainability and long-term viability.
Propose multi-agent and workflow architectures for CustomGPT.ai Labs projects, showing how Claude Code, CustomGPT.ai, and supporting tools interact to deliver the desired business outcome.
Evaluates codebase architecture for patterns, anti-patterns, coupling, cohesion, scalability, and technical debt. Use when assessing system design, reviewing architecture decisions, identifying improvement areas, or preparing for major refactoring.
Clean Architecture + DDD + Hexagonal - Atoll Tourisme. Use when designing architecture or reviewing code structure.
Conducts comprehensive architecture design reviews including system design validation, architecture pattern assessment, quality attributes evaluation, technology stack review, and scalability analysis. Produces detailed review reports with findings, recommendations, and risk assessments. Use when reviewing software architecture designs, validating architecture decisions, assessing system scalability, evaluating technology choices, or when users mention architecture review, design assessment, technical review, or architecture validation.
Act as the **architect** in the engineer-architect review process. Before writing code, review the proposed changes against the documented architecture in `docs/ARCHITECTURE.md` to ensure:
Core architecture principles (SSOT, DRY, Anti-Spaghetti) for maintainable code design. Use when planning features, implementing code, or reviewing architecture to prevent duplication and technical debt.
Expert in Gravito architecture and clean code. Trigger this for refactoring, design pattern implementation, or architectural audits.
Run structured architecture reviews with stakeholders and sign-off.
Review a system architecture for scalability, reliability, and maintainability. Use when a senior developer needs to critique a design.