Development

AST-based structural code search, security scanning, and refactoring using ast-grep (sg CLI) with pattern matching and code transformation across 40+ languages. Use when performing structural code search, AST-based refactoring, codemod operations, security pattern scanning, or syntax-aware code transformations across files. Do NOT use for simple text search (use Grep tool instead) or full codebase exploration (use Explore agent instead).

Chrome Extension Manifest V3 development specialist covering service workers, content scripts, message passing, chrome.* APIs, side panel, declarativeNetRequest, permissions model, and Chrome Web Store publishing. Use when building browser extensions, implementing content scripts, configuring service workers, or publishing to Chrome Web Store. [KO: 크롬 확장 프로그램, 매니페스트 V3, 서비스 워커, 콘텐츠 스크립트] [JA: Chrome拡張機能、マニフェストV3、サービスワーカー] [ZH: Chrome扩展程序、Manifest V3、Service Worker]

JavaScript ES2024+ development specialist covering Node.js 22 LTS, Bun 1.x (serve, SQLite, S3, shell, test), Deno 2.x, testing (Vitest, Jest), linting (ESLint 9, Biome), and backend frameworks (Express, Fastify, Hono). Use when developing JavaScript APIs, web applications, or Node.js projects.

Electron 33+ desktop app development specialist covering Main/Renderer process architecture, IPC communication, auto-update, packaging with Electron Forge and electron-builder, and security best practices. Use when building cross-platform desktop applications, implementing native OS integrations, or packaging Electron apps for distribution. [KO: Electron 데스크톱 앱, 크로스플랫폼 개발, IPC 통신] [JA: Electronデスクトップアプリ、 クロスプラットフォーム開発] [ZH: Electron桌面应用、跨平台开发]

Build Shopify applications, extensions, and themes using GraphQL/REST APIs, Shopify CLI, Polaris UI components, and Liquid templating. Capabilities include app development with OAuth authentication, checkout UI extensions for customizing checkout flow, admin UI extensions for dashboard integration, POS extensions for retail, theme development with Liquid, webhook management, billing API integration, product/order/customer management. Use when building Shopify apps, implementing checkout custo...

Frontend development guidelines for React/TypeScript applications. Modern patterns including Suspense, lazy loading, useSuspenseQuery, file organization with features directory, MUI v7 styling, TanStack Router, performance optimization, and TypeScript best practices. Use when creating components, pages, features, fetching data, styling, routing, or working with frontend code.

Deploy and manage cloud infrastructure on Cloudflare (Workers, R2, D1, KV, Pages, Durable Objects, Browser Rendering), Docker containers, and Google Cloud Platform (Compute Engine, GKE, Cloud Run, App Engine, Cloud Storage). Use when deploying serverless functions to the edge, configuring edge computing solutions, managing Docker containers and images, setting up CI/CD pipelines, optimizing cloud infrastructure costs, implementing global caching strategies, working with cloud databases, or bu...

Generate exhaustively complete and accurate Datadog Software Catalog entity YAML files (v3 schema) by examining project source code and interviewing engineers. Use when engineers need to create or update entity.datadog.yaml files for services, datastores, queues, APIs, or systems. Triggers include: "create entity yaml", "generate service catalog entry", "document this project in datadog", "create service definition", "add to software catalog", or any request involving Datadog entity/service d...

Implement authentication and authorization with Better Auth - a framework-agnostic TypeScript authentication framework. Features include email/password authentication with verification, OAuth providers (Google, GitHub, Discord, etc.), two-factor authentication (TOTP, SMS), passkeys/WebAuthn support, session management, role-based access control (RBAC), rate limiting, and database adapters. Use when adding authentication to applications, implementing OAuth flows, setting up 2FA/MFA, managing u...

Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability patterns (microservices, caching, sharding), DevOps practices (Docker, Kubernetes, CI/CD), and monitoring. Use when designing APIs, implementing authentication, optimizing datab...

Scaffolds Remotion project folder structure, base configuration files, and file organization. Focuses ONLY on directory creation, empty file templates, and Remotion configuration. Use when starting a new video project or when asked to "scaffold Remotion project", "create project structure", "setup Remotion folders".

Generates Remotion composition structure focusing ONLY on Sequence ordering, scene transitions, and duration mapping. Input is scene list with durations. Output is COMPOSITION_STRUCTURE.md with Sequence layout and timing calculations. Use when organizing scenes or when asked to "structure composition", "layout scenes", "calculate timing".

Generates individual Remotion scene components from visual direction. Input is visual/animation description for a specific scene. Output is SCENE_COMPONENT.md with complete TSX implementation. Use when implementing scenes or when asked to "create a scene component", "implement scene from spec", "build Scene1Intro".

Copilot agent that assists with systematic requirements review using Fagan Inspection and Perspective-Based Reading (PBR) techniques Trigger terms: requirements review, specification review, SRS review, Fagan inspection, perspective-based review, requirements validation, requirements verification, quality gate review, formal inspection, requirements checklist Use when: User requests involve requirements review, validation, or inspection tasks.

Copilot agent that assists with systematic design review using ATAM (Architecture Tradeoff Analysis Method), SOLID principles, design patterns, coupling/cohesion analysis, error handling, and security requirements Trigger terms: design review, architecture review, ATAM, SOLID principles, design patterns, coupling, cohesion, ADR review, C4 review, architecture analysis, design quality Use when: User requests involve design document review, architecture evaluation, or design quality assessmen...

> Dynamic multi-repo and monorepo awareness for Claude Code. Analyze workspace topology, track API contracts, and maintain cross-repo context. ---

WooCommerce REST API - products, orders, customers, webhooks

Stripe Checkout, subscriptions, webhooks, customer portal

SEO and AI discovery (GEO) - schema, ChatGPT/Perplexity optimization

User experience flows - journey mapping, UX validation, error recovery

Web UI - glassmorphism, Tailwind, dark mode, accessibility

Visual testing - catch invisible buttons, broken layouts, contrast

Mobile UI patterns - React Native, iOS/Android, touch targets

TypeScript strict mode with eslint and jest