Development

Create traceability matrix mapping intents (INT-*) to requirements (REQ-*) and requirements to all downstream artifacts (design, code, tests, commits, runtime). Use to visualize and verify complete traceability.

Creates, validates, and updates GitHub Actions workflows for CI/CD. Covers build, test, Maven Central publishing, code quality analysis, Docker builds, and Kubernetes deployments.

Query the China Historical GIS (CHGIS) Temporal Gazetteer (TGAZ) API to search for historical Chinese placenames from 222 BCE to 1911 CE. Use this skill when searching for information about historical Chinese places, administrative units, or geographic locations during the dynastic period. Applicable for queries about historical place names, administrative hierarchies, or when users mention specific Chinese locations with historical context.

End-of-session summary that logs work completed to Obsidian. Run this at the end of any Claude Code session to capture what you accomplished. Creates or appends to the daily session log.

Create distinctive, production-grade frontend interfaces avoiding "AI slop" aesthetics.Use when: building landing pages, dashboards, components, or styling any web UI.Triggers: "design", "landing page", "beautiful ui", "styling", "aesthetics","make it look good", "professional design", "ui design".

Set up a fresh Ubuntu VPS for web development with Node.js, Python, Nginx, PM2, SSL, and security hardening. Use when setting up a new server, configuring web hosting, deploying apps, or helping users create a development playground server.

Read-only code exploration and documentation search agent

Xcodeプロジェクトのアーキテクチャ設計・ビルド設定管理スキル。モジュール分割、ターゲット追加、依存関係整理、ビルド設定変更を支援。使用シーン：(1)「ビルド設定XXをYYに変更して」などのビルド設定変更リクエスト (2)「この機能を新しいモジュールに切り出して」などのモジュール分割リクエスト (3) 大きな機能追加時にモジュール構成やテスト可能性を検討する場合 (4)「Swift Packageを追加して」などの依存関係管理

OpenAI SDK development with GPT-5 family, Chat Completions, Responses API, embeddings, and tool calling. Use for AI-powered applications, chatbots, agents, and semantic search.

Adversarial quality gate agent for code review - finds flaws before users do

Structure n8n nodes correctly with INodeTypeDescription, resource-operation patterns, and proper package.json configuration. Use this skill when creating new *.node.ts files, defining INodeTypeDescription properties, implementing resource and operation parameters, building trigger nodes, organizing complex nodes into actions folders, or configuring the n8n section in package.json. Apply when choosing between declarative and programmatic styles, setting up node metadata, or structuring community node packages.

Auto-invoke when reviewing HTML head, meta tags, or Next.js page components. Enforces semantic HTML and search optimization.

Rust design patterns and advanced language patterns. Use when designing APIs, implementing complex abstractions, applying type-level programming, or looking for idiomatic solutions to common problems.

Expert guidance for building mobile applications with React Native and Expo. Use when the user asks to create, modify, debug, or architect mobile apps, implement native features (camera, notifications, storage, navigation), set up React Native projects, work with Expo or bare React Native workflows, integrate with device APIs, handle app state management, or optimize mobile performance. Triggers on mobile app development, React Native, Expo, iOS/Android cross-platform development.

Comprehensive Firebase skill for TypeScript/Next.js 16 projects. Use when configuring Firebase services (Firestore Client SDK with aggregations/vector search, Authentication, Storage, Cloud Functions v2, FCM push notifications, App Check bot protection), implementing security rules and indexes, troubleshooting Firebase errors, setting up auth providers (email/password, Google Sign-In), configuring VAPID keys for notifications, custom action URLs, reCAPTCHA Enterprise, replay protection, or resolving permission issues. Covers TypeScript patterns, Next.js 16 SSR/App Router integration, and common pain points like CORS, duplicate documents, notification setup, and bot abuse prevention.

Platform-specific patterns for iOS and Android. Use when writing platform-conditional code.

[Extends backend-developer] Kafka specialist for Spring/Reactor. Use for Kafka producers/consumers, DLT, retry mechanisms, transactional outbox, event sourcing. Covers Spring Kafka 4.x and Reactor Kafka 1.3.x. Invoke alongside backend-developer.

Convex React client - hooks, real-time updates, optimistic updates, pagination, and UI patterns

Guidance for using Forgetful semantic memory effectively. Applies Zettelkasten atomic memory principles. Use when deciding whether to query or create memories, structuring memory content, or understanding memory importance scoring.

Use when adding Jest testing configuration to Nx projects, running `nx g @nx/jest:configuration`, setting up testing infrastructure, or troubleshooting tests that fail after running the Jest generator. Ensures proper TypeScript moduleResolution (nodenext), testing enhancement libraries (jest-dom, user-event, MSW), and monorepo pattern adherence. Triggers: "add tests", "setup Jest", "configure testing", "Jest not working", "moduleResolution error", "tests failing after generator"