後端開發

Deploy F# applications with Tailscale sidecar for private network access. Use when: "deploy", "production", "Tailscale", "docker-compose", "Docker", "Portainer", "private network", "deployment", "ship it", "go live", "home server", "self-host", "container", "release". Creates docker-compose.yml with app + Tailscale sidecar for secure access. No public ports, no authentication needed - Tailscale handles it.

Databricks development guidance including Python SDK, Databricks Connect, CLI, and REST API. Use when working with databricks-sdk, databricks-connect, or Databricks APIs.

Provides stable task list sorting across four dimensions (Priority, Due Date, Created Date, Alphabetical) with ascending/descending toggles, tie-breaking rules, and visual sort indicators. Default sort prioritizes VERY IMPORTANT tasks first, then by soonest due date.

Generate XML documentation comments for C# code based on signatures, naming conventions, and code structure. Use when user requests documentation or for public APIs. (project, gitignored)

Backend development specialist covering API design, database integration, microservices architecture, and modern backend patterns

Generate application wiring: entry points, dependency injection, infrastructureconfiguration. Creates main.py, container, Dockerfile, docker-compose.yaml.Topology-aware (monolith/microservices/library). Use when: finalizing generation,creating deployable system.

Enables token-efficient structured development via /serena command. Use for component development, API implementation, system design, test creation, bug fixes, and optimization. Available for Claude Code and all Agents.

Spring Security 7 implementation for Spring Boot 4. Use when configuring authentication, authorization, OAuth2/JWT resource servers, method security, or CORS/CSRF. Covers the mandatory Lambda DSL migration, SecurityFilterChain patterns, @PreAuthorize, and password encoding. For testing secured endpoints, see spring-boot-testing skill.

Generates Express.js API routes with proper middleware, error handling, validation, and TypeScript support. Use when creating REST APIs or Express endpoints.

Look up Shortcut REST API methods, schemas, and signatures. Use this instead of fetching the documentation webpages.

Production-ready safety checklists for Rails implementation. Covers nil safety, ActiveRecord patterns, security vulnerabilities, error handling, and performance. Use before marking any file complete during implementation phases.

Production-ready Feels Protocol indexer with PostgreSQL, Redis, RocksDB, complete REST API, OHLCV generation, real-time statistics, and frontend integration

Crawl and ingest websites into whorl. Use when scraping a personal site, blog, or extracting web content for the knowledge base.

Use for LangGraph agent design and refactors. Prefer explicit state, small nodes, and clear transitions.

Goバックエンドのビルド・テスト・Lintワークフロー。「Goビルド」「バックエンドテスト」「golangci-lint」「go mod」「go test」「swagger」などのキーワードで自動適用。

Automatically review documents against checklists and best practices. Use when creating or reviewing ADRs, Design Docs, meeting notes, technical proposals, or RFCs. Detects anti-patterns, vague expressions, and missing elements.

Run Java/Spring Boot tests and debug failures. Use when fixing backend tests, implementing new features with tests, or debugging test failures.

Idiomatic Go 1.25+ development. Use when writing Go code, designing APIs, discussing Go patterns, or reviewing Go implementations. Emphasizes stdlib, concrete types, simple error handling, and minimal dependencies.

Builds APIs with Express including routing, middleware, error handling, and security. Use when creating Node.js APIs, building REST services, or adding middleware-based server functionality.

환경변수(.env.*), Spring 프로파일(application-*.yml) 수정 시 사용. app/backend/CLAUDE.md 참조 필수. 서비스별 포트 중복 검증, 민감 정보는 .env.local만, application-*.yml은 플레이스홀더만(기본값 금지). 의미없는 override 지양. SQS 엔드포인트 정확성 확인.