Backend

Modo Gerente de Projeto Ultra Realista - Estimativas conservadoras, crítica brutal, ROI calculado. TRIGGERS: 'brutal honesty', 'estimativa realista', 'vale a pena', 'ROI', 'crítica brutal'. SEMPRE ATIVO em project-context.

Evaluates whether a programming language dependency should be used by analyzing maintenance activity, security posture, community health, documentation quality, dependency footprint, production adoption, license compatibility, API stability, and funding sustainability. Use when users ask "should I use X or Y?", "are there better options for [feature]?", "what's a good library for [task]?", "how do we feel about [dependency]?", or when considering adding a new dependency, evaluating an existing dependency, or comparing/evaluating package alternatives.

Master ASP.NET Core fundamentals including C#, project structure, routing, middleware, and basic API development. Essential skills for all ASP.NET Core developers.

Use when designing API endpoints. Enforces layered architecture, separation of concerns, and type safety. Supports Express.js and similar frameworks.

Python 3.11+ development with type hints, async patterns, FastAPI, and pytest. Use for backend services, CLI tools, data processing, and API development.

Apply when making API calls to ChurchTools, using churchtoolsClient methods, handling API responses, or working with Tags API. Covers correct HTTP method names, parameter structure, and response handling patterns.

Define and maintain clean architecture for the .NET 8 WPF widget host app. Use when shaping solution structure, layer boundaries, dependency rules, DI wiring, and project layout to keep UI, application, domain, and infrastructure separated.

Validate Laravel database configuration and test actual connections. Use when user reports "database connection error", "hosts array is empty", "could not connect to database", or wants to verify database setup is correct.

Turn the model into a SQLAlchemy-focused Python coding agent for designing models, writing queries, debugging database issues, and integrating SQLAlchemy with Alembic and FastAPI in new or existing Python projects.

Node.js server development patterns including async patterns, error handling, and security best practices.

Supabase database query patterns, RLS policies, migration records, and nested join patterns. Use this skill when writing database queries, understanding RLS behavior, debugging query errors, or implementing new migrations.

Expertise in API design, database integration, and service connectivity. Activates when working with "API", "database", "webhook", "service", "integrate", "connect", or system architecture.

Generate images using Google Gemini's image generation APIs via Python CLI. Use for "generate image", "create image", "gemini image", "AI image", or when needing AI image generation in Claude Code.

Build n8n nodes using declarative style with JSON-based routing configuration for REST API integrations. Use this skill when implementing standard CRUD operations, configuring requestDefaults, defining routing in operation options, setting up declarative pagination, adding query parameters via routing.send, or processing responses with postReceive. Apply when building REST API nodes with simple request/response patterns and automatic pagination handling.

Builds content APIs with KeystoneJS, the Node.js headless CMS with GraphQL. Use when creating admin UIs and APIs with automatic CRUD operations, relationships, access control, and TypeScript support.

Restructure project files, reorganize folders, and modularize code.LOAD THIS SKILL WHEN: Project structure is messy | User says "整理資料夾", "重構結構", "reorganize", "模組化" | files exceed 500 lines | need DDD folder structure.CAPABILITIES: Folder reorganization, module splitting, import path updates, backup/rollback, dry-run preview.

Guide for Grafana Pyroscope continuous profiling. Use for Kubernetes Helm deployment, Go/Java/Python/.NET/Ruby/Node.js profiling, storage backends, trace-to-profile linking, and troubleshooting.

Master advanced ASP.NET Core development including Entity Framework Core, authentication, testing, and enterprise patterns for production applications.

Complete patterns for containerizing applications with Docker: Dockerfiles, multi-stage builds, layer optimization, security best practices, and production-ready configurations for Python/FastAPI and Node.js/Next.js apps.

Refining and improving user prompts for StickerNest development. Use when the user asks to improve a prompt, make a request clearer, help phrase something better, or when they give a vague request and you want to clarify. Covers prompt engineering, StickerNest context injection, and disambiguation.