Create Business Manager extension cartridges for B2C Commerce. Use when building admin tools, BM menu items, or custom BM pages (bm_* cartridges). Covers bm_extensions.xml, menu items, dialog actions, and form extensions.

Develop Custom SCAPI endpoints for B2C Commerce. Use when creating REST APIs, defining api.json routes, writing schema.yaml (OAS 3.0), or building headless commerce integrations. Covers cartridge structure, endpoint implementation, and OAuth scope configuration.

Implement hooks using HookMgr and extension points in B2C Commerce. Use when extending OCAPI/SCAPI behavior, handling system events like order calculation, or registering custom hook implementations. Covers hooks.json, dw.ocapi hooks, and custom extension points.

Work with ISML templates in B2C Commerce. Use when writing storefront templates, using isprint/isset/isloop tags, understanding ISML expressions (${...}), or creating custom template modules. Covers tag syntax, expression language, and template includes.

Work with B2C Commerce site metadata XML for custom attributes and object types. Use when defining custom attributes on products/orders/customers, creating custom object types, or setting site preferences via XML import. Covers system-objecttype-extensions.xml and custom-objecttype-definitions.xml.

Create Page Designer pages and components in B2C Commerce. Use when building visual merchandising tools, content slots, or experience API integrations. Covers page types, component types, regions, and attribute definitions.

Multi-technique business analysis orchestration using BABOK. Coordinates 14 techniques across strategic analysis, problem solving, planning, and design into comprehensive analysis packages.

Business analysis methodologies, requirements engineering, RACI matrices, user stories for Pulse Radar.

Generates Babel configuration for JavaScript transpilation in tests. Creates babel.config.js file.

Transforms markdown files into brand-compliant BAC HTML presentations with professional styling, proper typography, and integrated branding. Supports manual browser-based PDF export.

Multi-agent coordination for parallel development. Use when asked to parallelize work, coordinate multiple agents, or manage tasks across a codebase.

Test software in the style of James Bach, pioneer of exploratory testing and context-driven testing. Emphasizes skilled human investigation, heuristics-based test design, and adapting to context rather than following rigid scripts. Use when designing test strategies, performing exploratory testing, or building thinking testers.

Comprehensive backend development guidelines covering API design, database patterns, security, performance, and production-ready code standards.

Build NestJS backend following Orchestrator AI patterns. Module/Service/Controller structure, A2A protocol compliance, transport types, error handling. CRITICAL: Files follow kebab-case naming. Controllers handle HTTP, Services contain business logic, Modules organize dependencies.

Handles backend/API/database work for Unite-Hub. Implements Next.js API routes, Supabase database operations, RLS policies, authentication, and third-party integrations (Gmail, Stripe).

Design and implement RESTful API endpoints with proper HTTP methods, status codes, and consistent naming conventions. Use this skill when creating or modifying API routes, endpoints, or server-side request handlers. When working on files in src/pages/api/, files containing API route definitions, files implementing REST endpoints, files handling HTTP requests and responses, server middleware for API requests, API authentication and authorization logic, and files defining API versioning strategies. When designing URL structures for resources, implementing query parameter handling for filtering/sorting/pagination, setting up rate limiting for API endpoints, or configuring CORS and API security headers.

Expert backend architect specializing in scalable API design,

Master Python asyncio, concurrent programming, and async/await patterns for high-performance FastAPI applications. Use when building async APIs, concurrent systems, or I/O-bound applications requiring non-blocking operations.

Authentication library for Next.js applications (NextAuth.js v5). Use when building Next.js 14+ apps that need OAuth providers (GitHub, Google, etc.), credentials login, or session management. Provides adapters for Prisma, Drizzle, and other databases. Choose Auth.js over Passport.js for Next.js App Router projects.

Bootstraps complete backend with Apso, including API setup, database configuration, and testing. Triggers when user needs to create backend, setup API, or initialize server.

Conduct systematic backend code reviews to identify security vulnerabilities, performance bottlenecks, code quality issues, and architectural concerns. Produces actionable reports with specific locati

Expert backend development guidance covering Node.js, Python, Java, Go, API design (REST/GraphQL/gRPC), database patterns, authentication, caching, message queues, microservices, and testing. Produces production-ready, scalable, and secure backend code with industry best practices. Use when building APIs, implementing business logic, designing data models, integrating services, or when users mention backend development, server-side code, APIs, databases, or microservices.

Use when editing C# backend files (.cs) in src/Backend/, src/Platform/, or src/PlatformExampleApp/. Provides CQRS patterns, repository patterns, validation patterns, entity patterns, background jobs, message bus consumers, data migrations, and fluent helpers for EasyPlatform .NET 9 development.

Process vehicle insurance Excel data using Pandas - file handling, data cleaning, merging, validation. Use when processing Excel/CSV files, handling data imports, implementing business rules (negative premiums, zero commissions), debugging data pipelines, or optimizing Pandas performance. Keywords: data_processor.py, Excel, CSV, Pandas, merge, deduplication, date normalization.

Systematic approach to diagnose and resolve backend service issues including dependency conflicts, database schema mismatches, import errors, and middleware configuration problems in FastAPI applications.

Systematic debugging for Encore.ts backend incidents using diagnostic scripts, database queries, and structured logging. Use when backend tests fail, services crash, or async flows stall.

Conducts comprehensive backend design reviews covering API design quality, database architecture validation, microservices patterns assessment, integration strategies evaluation, security design review, and scalability analysis. Evaluates API specifications (REST, GraphQL, gRPC), database schemas, service boundaries, authentication/authorization flows, caching strategies, message queues, and deployment architectures. Identifies design flaws, security vulnerabilities, performance bottlenecks, and scalability issues. Produces detailed design review reports with severity-rated findings, architecture diagrams, and implementation recommendations. Use when reviewing backend system designs, validating API specifications, assessing database schemas, evaluating microservices architectures, reviewing integration patterns, or when users mention backend design review, API design validation, database design review, microservices assessment, or backend architecture evaluation.

Unified backend development skill covering API design (REST/GraphQL/tRPC), TypeScript expertise, data analysis, and code optimization principles. Use for backend architecture, API patterns, type issues, data processing, and code quality.

Comprehensive backend development workflow that orchestrates expert analysis, architecture design, implementation, and deployment using the integrated toolset. Handles everything from API design and database architecture to security implementation and DevOps automation.

Senior Backend Developer with 10+ years Java and 5+ years Spring Boot experience. Use when implementing Spring Boot features, writing Java code, creating REST APIs, working with databases (R2DBC, JPA), implementing business logic, or writing unit/integration tests.

Backend Developer Agent. 코드 개발, 디버깅, 기능 구현을 담당합니다. 개발, 코딩, 디버그(debug), 버그 수정, 기능 구현 관련 요청 시 사용됩니다.

Orchestrate end-to-end backend feature development from requirements to deployment. Use when coordinating multi-phase feature delivery across teams and services.

Production backend systems development. Stack: Node.js/TypeScript, Python, Go, Rust | NestJS, FastAPI, Django, Express | PostgreSQL, MongoDB, Redis. Capabilities: REST/GraphQL/gRPC APIs, OAuth 2.1/JWT auth, OWASP security, microservices, caching, load balancing, Docker/K8s deployment. Actions: design, build, implement, secure, optimize, deploy, test APIs and services. Keywords: API design, REST, GraphQL, gRPC, authentication, OAuth, JWT, RBAC, database, PostgreSQL, MongoDB, Redis, caching, microservices, Docker, Kubernetes, CI/CD, OWASP, security, performance, scalability, NestJS, FastAPI, Express, middleware, rate limiting. Use when: designing APIs, implementing auth/authz, optimizing queries, building microservices, securing endpoints, deploying containers, setting up CI/CD.

Generate production-ready REST or GraphQL endpoints with request validation, error handling, and comprehensive tests.

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 database queries, setting up CI/CD pipelines, handling security vulnerabilities, building microservices, or developing production-ready backend systems.

Design and implement robust, production-grade backend systems with strong architecture, correctness, performance, and operational rigor. Use this skill when the user asks to build APIs, services, data pipelines, system architectures, or backend-heavy applications.

Backend expert guidance for API/DB/Security/Architecture

Ultimate 25+ years expert-level backend skill covering FastAPI, Express, Node.js, Next.js with TypeScript. Includes ALL databases (PostgreSQL, MongoDB, Redis, Elasticsearch), ALL features (REST, GraphQL, WebSockets, gRPC, Message Queues), comprehensive security hardening (XSS, CSRF, SQL injection, authentication, authorization, rate limiting), complete performance optimization (caching, database tuning, load balancing), ALL deployment strategies (Docker, Kubernetes, CI/CD), advanced patterns (microservices, event-driven, saga, CQRS), ALL use cases (e-commerce, SaaS, real-time, high-traffic), complete testing (unit, integration, E2E, load, security). Route protection, middleware, authentication implementation in PERFECTION. Use for ANY backend system requiring enterprise-grade security, performance, scalability, and architectural excellence.

Complete FastAPI development including framework fundamentals, architecture patterns (Clean Architecture, Hexagonal Architecture, DDD), dependency injection, async patterns, and best practices. Use when implementing FastAPI endpoints, architecting backend systems, or applying architectural patterns to FastAPI applications.

Scaffolds backend features including new domain entities, new properties on existing entities, and new business operations. Use when creating a new domain entity, extending an existing entity with new properties, or adding new business features/commands.

Enforces Go backend best practices following clean architecture, dependency injection, and test-driven development. Automatically applied for Go backend implementation, API development, and microservices construction.

Explain backend service strategy and rules to respect all over any realization.

Backend Implementation Workflow Agent. Backend만 구현이 필요한 경우 사용합니다. API 추가, 서비스 로직 구현, DB 스키마 변경 등을 오케스트레이션합니다.

Master skill for TypeScript backend development. Decision framework for APIs (tRPC/REST), authentication (Auth.js/Passport), database (Prisma), validation (Zod), logging (Pino), testing (Vitest), and deployment (Docker). Routes to specialized skills for implementation. Use as entry point for any backend task.

Create and manage database migrations with reversible changes, proper naming conventions, and zero-downtime deployment strategies. Use this skill when creating database migration files, modifying schema, adding or removing tables/columns, managing indexes, or handling data migrations. Apply when working with migration files (e.g., db/migrate/, migrations/, alembic/, sequelize migrations), schema changes, database versioning, rollback implementations, or when you need to ensure backwards compatibility during deployments. Use for any task involving database structure changes, index creation, constraint modifications, or data transformation scripts.

Create and manage database schema migrations with reversible changes, clear naming, and safe deployment practices. Use this skill when writing database migration files, modifying database schemas, creating migration scripts, or managing database version control. When working on migration files in database migration directories, files defining schema changes (CREATE TABLE, ALTER TABLE, DROP TABLE), migration rollback/down methods, database index creation scripts, seed data or data migration files, ORM migration configurations (Prisma, Drizzle, TypeORM), or files handling database versioning and migration history.

backend-nodejs

Coordinates backend development tasks (APIs, services, databases). Use when implementing REST APIs, business logic, data models, or service integrations. Applies backend-standard.md for quality gates.

Authentication middleware for Express.js and Node.js applications. Use when building Express APIs that need JWT authentication, OAuth, or custom auth strategies. Provides 500+ authentication strategies. Choose Passport.js over Auth.js for Express backends, pure API servers, or when you need maximum control over auth flow.

Apply backend patterns for server architecture, database interactions, and API structure. Use when designing backend systems. Not for frontend logic or simple scripts.