Backend

Use when configuring or working with Solid Queue for background jobs. Applies Rails 8 conventions, database-backed job processing, concurrency settings, recurring jobs, and production deployment patterns.

Creates 2 backend docs (api_spec.md, database_schema.md). L3 Worker invoked CONDITIONALLY when hasBackend or hasDatabase detected.

Write Ruby on Rails specs with RSpec following best practices for unit tests, request specs, feature specs, and job specs. Use when writing or modifying RSpec test files for Rails applications.

使用 Python CLI 与 Dida365 Open API 交互以管理滴答清单任务/项目，适用于需要通过脚本或命令行调用滴答清单接口的场景（如项目/任务的查询、创建、更新、完成、删除）。

Use when building NestJS applications requiring modular architecture, dependency injection, or TypeScript backend development. Invoke for modules, controllers, services, DTOs, guards, interceptors, TypeORM/Prisma. Keywords: NestJS, Nest, Node.js, TypeScript backend, dependency injection.

Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Invoke for Entity Framework Core, minimal APIs, async patterns, CQRS with MediatR. Keywords: C#, .NET, ASP.NET Core, Blazor, Entity Framework.

Analyzes moral dimensions and value conflicts through ethical frameworks using deontology, consequentialism, virtue ethics, and applied ethics methodologies. Provides insights on moral obligations, rights, justice, and ethical decision-making. Use when: Ethical dilemmas, policy decisions, technology ethics, professional conduct issues. Evaluates: Moral principles, stakeholder interests, consequences, rights, justice, virtues.

Use when building Go applications requiring concurrent programming, microservices architecture, or high-performance systems. Invoke for goroutines, channels, Go generics, gRPC integration. Keywords: Go, Golang, concurrency, microservices, goroutines.

Use when building JavaScript applications with modern ES2023+ features, async patterns, or Node.js development. Invoke for vanilla JavaScript, browser APIs, performance optimization, module systems. Keywords: JavaScript, ES2023, async, Node.js, Fetch API, Web Workers.

Use when building Django web applications or REST APIs with Django REST Framework. Invoke for Django models, ORM optimization, DRF serializers, viewsets, authentication with JWT. Keywords: Django, DRF, ORM, serializer, viewset, model.

Conversational interface for managing MCP (Model Context Protocol) server configurations in Claude Code

Use when building .NET 8 applications with minimal APIs, clean architecture, or cloud-native microservices. Invoke for Entity Framework Core, CQRS with MediatR, JWT authentication, AOT compilation. Keywords: .NET Core, .NET 8, ASP.NET Core, minimal API, EF Core, CQRS.

Use when building Laravel 10+ applications requiring Eloquent ORM, API resources, or queue systems. Invoke for Laravel models, Livewire components, Sanctum authentication, Horizon queues. Keywords: Laravel, Eloquent, PHP 8.2+, API, queues, Livewire, Sanctum, Horizon.

This skill should be used when working with React 19, including hooks, components, server components, concurrent features, and React DOM APIs. Provides comprehensive knowledge of React patterns, best practices, and modern React architecture.

Generate documentation for code including JSDoc, docstrings, README, and API docs. Use when documenting code, creating README files, or generating API documentation.

Write production-ready CEL (Common Expression Language) code for Kubernetes ValidatingAdmissionPolicies, CRD validation rules, and security policies. Use when users need to create admission policies, validate Kubernetes resources, enforce security constraints, or write CEL expressions for Kubernetes.

Manage Rust and Node.js dependencies including adding, updating, auditing, and resolving conflicts. Use when updating dependencies or resolving version conflicts.

Use when implementing backend APIs, data persistence, or external integrations. Enforces TodoWrite with 25+ items. Triggers: "backend API", "REST endpoint", "external integration", "data persistence". If thinking "just a quick endpoint" - use this.

Meta-skill for creating workflow-optimized skills from MCP servers. Use when users want to create a custom skill that integrates one or more MCP servers into a specialized workflow. The user provides MCP server configurations and describes their work scenario (workflow, preferences, SOPs), and this skill generates a new skill with optimized scripts following Anthropic's MCP + code execution best practices.

Use when implementing auth, file uploads, payments, or external APIs. Applies STRIDE framework systematically. Triggers: "authentication", "file upload", "payment", "multi-tenant", "external API". If thinking "I know security" - use this anyway.