backend▌

$23

Complete E2E and integration testing for TypeScript/NestJS projects with real Docker infrastructure and GWT pattern. \n \n Supports six guided workflows: setup, writing, reviewing, running, debugging, and optimizing E2E tests \n Tests against real services (PostgreSQL, MongoDB, Redis, Kafka) via Docker; never mocks infrastructure \n Enforces Given-When-Then pattern, test isolation, and specific assertions across all test cases \n Includes technology-specific helpers, rules, and examples for Kafk

Production-ready Spring Boot applications with REST APIs, security, data access, and monitoring. \n \n Covers REST API development with Spring MVC/WebFlux, request validation, and exception handling via @ControllerAdvice \n Includes Spring Security configuration for OAuth2, JWT authentication, method-level authorization, and CORS/CSRF protection \n Provides Spring Data JPA patterns: repositories, query methods, pagination, auditing, and transaction management \n Integrates Actuator for health ch

Django security best practices covering authentication, authorization, CSRF, SQL injection, and XSS prevention. \n \n Provides production-ready settings configurations including HTTPS enforcement, secure cookies, HSTS headers, and password validation with minimum 12-character requirements \n Covers authentication patterns: custom user models, Argon2 password hashing, session management, and role-based access control (RBAC) \n Includes authorization strategies: Django permissions, custom permissi

Search and explore Windows desktop APIs with full type signatures and members. \n \n Indexes Windows Platform SDK, WinAppSDK, NuGet packages, and project-output WinMD files; Platform SDK and WinAppSDK are available immediately on fresh clones without restore or build \n Two workflows: discover mode for finding the right API by capability keywords, and lookup mode for retrieving exact methods, properties, events, and enum values of known types \n Requires .NET SDK 8.0+ and a one-time cache genera

CLI for Gmail, Calendar, Drive, Contacts, Sheets, and Docs via Google Workspace API. \n \n Covers six Google services with commands for searching/sending emails, managing calendar events with color support, querying Drive, listing contacts, and reading/updating Sheets \n Gmail operations include search, send (plain/HTML/multi-line), draft creation, and reply handling; supports multiple input methods (inline, file, stdin) \n Calendar commands create, update, and list events with ISO date ranges a

This skill is limited to planning and scaffolding. It does not provide instructions or code for live provider execution.

Generate, maintain, and validate OpenAPI 3.1 specifications for RESTful APIs. \n \n Supports design-first, code-first, and hybrid approaches with templates for complete specs, FastAPI/Python generation, and TypeScript/Express decorators \n Includes reusable components for schemas, parameters, responses, and security schemes to minimize duplication across endpoints \n Provides Spectral and Redocly validation rules to enforce naming conventions, security requirements, and documentation standards \

See assets/doc-template.go when writing doc comments for a new package or exported type and need a complete reference of all documentation conventions.

Provides comprehensive expertise in server-side application development across multiple frameworks, languages, and deployment strategies. Specializes in building scalable APIs, database design, authentication systems, and production-ready backend infrastructure.