Backend

Implement common Django design patterns including managers, querysets, mixins, services, and architectural patterns. Use when refactoring code or implementing standard Django patterns.

Design and implement RESTful API endpoints following best practices for URL structure, HTTP methods, status codes, versioning, and rate limiting. Use this skill when creating or modifying API routes, controllers, endpoint handlers, or route files. When working on files like routes.ts, api/*.ts, controllers/*.ts, endpoints/*.py, views.py, or any server-side request handlers. When designing resource URLs, implementing CRUD operations, adding query parameters for filtering/sorting/pagination, or setting up API versioning. When reviewing or refactoring existing API code for REST compliance.

Create comprehensive API documentation with examples, parameter descriptions, and interactive code samples

Reference for Guardrails library with Malli in Clojure. Use when working with `>defn`, `>defn-`, `>def`, `>fdef` macros, gspec syntax, or function validation. Triggers on guardrails imports, `com.fulcrologic.guardrails.malli`, function specs with `=>` operator, or questions about runtime validation in Clojure.

Adds .NET Aspire cloud-native orchestration to existing .NET solutions. Analyzes solution structure to identify services (APIs, web apps, workers), creates AppHost and ServiceDefaults projects, configures service discovery, adds NuGet packages, and sets up distributed application orchestration. Use when adding Aspire to .NET solutions or creating new cloud-ready distributed applications.

Project-specific code patterns for Server Actions, data fetching, error handling, file organization. Use when implementing features to follow established patterns, or when user asks about project conventions/patterns/architecture.

Garantiza lectura real, control de limites, registro en cache y validacion de citas/wikilinks en Obsidian.

Use this skill whenever the user wants to add, refine, or enforce request/response validation, transformation, and sanitization in a NestJS TypeScript backend using Pipes (e.g., ValidationPipe), DTOs, and custom pipes.

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.

Consistent drawdown control pattern for trading systems - backtests, live trading, and training

Generates boilerplate code following loaded rules. Creates new components, modules, APIs, and features that automatically comply with your coding standards. Extracts patterns from rules and applies them consistently.

Comprehensive internationalization (i18n) and localization (l10n) for .NET and C++ applications. Generate resource files, manage translations, and implement best practices for multi-language support.

dotnet format, prettier 및 기타 포맷팅 도구를 사용하여 코드를 정리합니다. 코드 스타일 수정, 포맷 일관성 유지 또는 커밋 전 코드 준비가 필요한 작업에서 사용합니다.

Analyze and understand videos using Google's Gemini API. Use when the user asks to analyze, understand, describe, summarize, transcribe, or extract information from videos. Supports local video files (MP4, MOV, WebM, etc.) and YouTube URLs. Can answer questions about video content, describe scenes, identify objects/people/actions, extract text/timestamps, and more. Use this skill when user provides a video file path or YouTube link and wants to understand its content.

Promise-based HTTP client for making requests from browser and Node.js

Test web applications for security vulnerabilities including SQLi, XSS, command injection, JWT attacks, SSRF, file uploads, XXE, and API flaws. Use when pentesting web apps, analyzing authentication, or exploiting OWASP Top 10 vulnerabilities.

Trove is a minimal logging facade for Clojure/Script supporting both traditional and structured logging. Use when writing libraries that need logging without forcing a backend choice, or when you need rich data-oriented logging with flexible filtering.

Design and implement REST API integrations with proper error handling, authentication, rate limiting, and testing. Use when building API clients, integrating third-party services, or when users mention API, REST, webhooks, HTTP requests, or service integration.

Review workscript node implementations for alignment with NODE_DEVELOPMENT_BLUEPRINT.md and consistency with the new-node skill. Use when reviewing node code, auditing node implementations, checking for compliance with single-edge return pattern, validating ai_hints metadata consistency, or ensuring thorough documentation of state interactions. Triggers on requests like "review this node", "check node compliance", "audit node implementation", or "validate node metadata".

Analyze and refactor backend code to follow entity/service separation patterns. Use when asked to "refactor X to entity pattern", "analyze architecture for X", "extract business rules for X", "separate concerns for X", "create entity for X", or "clean up X service". Triggers on domain concepts like deals, leads, applications, locations, franchisees, etc.