Development

Docker health checks and troubleshooting. Use when building Docker images, running containers, or debugging deployment issues. Validates backend API and worker services.

Web application security patterns including STRIDE threat modeling, OWASP Top 10 compliance, ABP authorization, and security audit procedures. Use when: (1) conducting security audits, (2) implementing authentication/authorization, (3) creating threat models, (4) reviewing code for vulnerabilities.

Design and implement RESTful API endpoints following best practices for URL structure, HTTP methods, status codes, and versioning. Use this skill when creating or modifying API routes, controllers, or endpoint handlers. When working on files like routes.py, api.py, controllers/, endpoints/, or any file defining HTTP endpoints. When designing URL patterns, choosing HTTP methods (GET, POST, PUT, PATCH, DELETE), implementing pagination, filtering, or sorting. When adding rate limiting headers or API versioning strategies.

A comprehensive pattern for handling asynchronous operations in JavaScript/TypeScript applications with automatic cleanup, graceful error handling, and memory leak prevention. Use when building async operations that need timeout control, cancellation support, retry logic, or graceful error handling.

Go best practices with modern cloud-native development, performance optimization, and concurrent programming for 2025

Define database models with clear naming, proper data types, validation, relationships, and constraints to ensure data integrity. Use this skill when creating or modifying ORM model files, database schema definitions, model class files, or entity files. Use this when defining model relationships (has-many, belongs-to, many-to-many), setting up database constraints (NOT NULL, UNIQUE, foreign keys), adding timestamps and indexes, implementing model-level validations, or choosing appropriate data types for fields. Use this when working on files in directories like models/, entities/, app/models/, or any file that defines database table structures and relationships.

Analyzes Rust code for performance bottlenecks, memory inefficiencies, and optimization opportunities. Use when discussing performance, slow code, memory usage, profiling, benchmarks, or optimization.

マルチモデルコードレビュー。LLMがコードレビューを行った後、GitHub Copilot CLIに精査させて双方の視点を統合した最終レビューを提供。Use when user wants multi-model code review, second opinion, or wants to cross-check review findings with another AI. Triggers: "/multi-model-review", "マルチモデルレビュー", "複数モデルでレビュー", "セカンドオピニオン"

How tests should be structured, named, and prioritized in this codebase.

Production-tested integration patterns for connecting React frontends to Cloudflare Worker backendswith Hono, Clerk authentication, and D1 databases. Prevents common frontend-backend connection issues,CORS errors, auth token failures, and race conditions.Use when: connecting frontend to backend, implementing auth flow, setting up API calls,troubleshooting CORS, fixing race conditions, auth tokens not passing, frontend-backend connection errors,401 errors, integrating Clerk with Workers, setting up full-stack Cloudflare app, vite cloudflare plugin setup.Prevents: CORS errors, 401 Unauthorized, auth token mismatches, race conditions with auth loading,environment variable confusion, frontend calling wrong endpoints, JWT verification errors, D1 connection issues.Keywords: frontend backend integration, Cloudflare Workers, Hono, Clerk auth, JWT verification, CORS, React API client,race conditions, auth loading, connection issues, full-stack integration, vite plugin, @cloudflare/vite-plugin,D1 database,

Use when working with Next.js 15 features, App Router, Server Components, Server Actions, or data fetching patterns. Ensures correct usage of Server vs Client Components and modern Next.js patterns.

Create distinctive, production-grade Flutter mobile applications with Material Design 3. Use this skill when the user asks to build Flutter widgets, screens, pages, or complete mobile apps. Handles UI creation from scratch, design-to-code conversion (Figma/mockups), architecture patterns (Riverpod, BLoC), and Flutter best practices. Generates beautiful, performant Flutter code that avoids generic aesthetics.

Create FFI bindings between Lean 4 and C code. Use when working with foreign functions, native libraries, Metal, or system APIs.

Design AI-powered immersive NPC systems for escape room games using proven actor techniques from Korean immersive escape rooms (Danpyeonsun, Ledasquare). Implements adaptive dialogue, emotional simulation, player profiling, and trust dynamics using Gemini/GPT-4. Creates character profiles with lying probabilities, improvisational responses, and cost-optimized streaming. Use for murder mystery NPCs, suspect interrogation, or dynamic character interactions.

Specialized agent for BarqNet backend development. Focuses on Go backend API development, PostgreSQL database management, authentication systems, JWT tokens, OpenVPN integration, and production-ready backend architecture. Use this skill when working on server-side code, API endpoints, database migrations, or backend infrastructure.

Build distinctive, production-grade frontend interfaces with memorable aesthetics. Use when creating web components, pages, or applications. Prioritizes creative, context-specific design over generic patterns.

Create and manage Claude Code skills following Anthropic best practices. Use when creating new skills, modifying skill-rules.json, understanding trigger patterns, working with hooks, debugging skill activation, or implementing progressive disclosure. Covers skill structure, YAML frontmatter, trigger types (keywords, intent patterns, file paths, content patterns), enforcement levels (block, suggest, warn), hook mechanisms (UserPromptSubmit, PreToolUse), session tracking, and the 500-line rule.

Callabo 서비스들을 tmux로 한번에 실행합니다. callabo-server, scheduler, callabo-webapp, magi를 4개의 pane으로 구성하여 개발 환경을 빠르게 시작합니다.

Code review and quality assurance specialist for ensuring code quality, security, and maintainability

This skill should be used when the user asks about "snapshot.md", "constraints.md", "decisions.md", "debt.md", ".ctx/", "living context", "documentation freshness", "stale docs", "ADR", "architecture decision", "technical debt", "system context", "co-located documentation", "context health", "validation", or needs help managing co-located documentation that stays synchronized with code.