Databases

Code review best practices including review checklists (functionality, tests, documentation, security, performance), providing constructive feedback, automated checks integration, and handling review comments. Use when reviewing pull requests, providing code feedback, responding to review comments, or setting up review processes.

Review a PR created through the spec/plan/implement flow. Analyzes changes against specification and provides actionable feedback. Only invoke when user explicitly requests to review a PR or review changes.

Performs Firebase Firestore operations. Use when querying collections, creating/updating/deleting documents, using batch writes, or working with Timestamps. Includes pagination, transactions, and security rules patterns.

Design MongoDB schemas, build REST/WebSocket APIs, optimize queries, and manage database operations for CryptoTribes. Use when creating models, API endpoints, database migrations, or optimizing performance. Triggers on "schema", "model", "API", "endpoint", "database", "query optimization".

Validate backend development environment and authentication status. Use when (1) new backend developer onboarding, (2) checking required tools (gh CLI, Git, Node, pnpm, Supabase), (3) verifying GitHub auth and repo access, (4) orchestrator auto-runs at work start.

Complete diagnostic procedures for resolving Wasp development issues. Use when encountering errors, debugging problems, or when things aren't working. Includes systematic procedures for import errors, auth issues, database problems, and type errors.

Node.js backend development with TypeScript, Express/Fastify servers, routing, middleware, and database integration. Use when building REST APIs with TypeScript, creating Express/Fastify servers, or implementing microservices architectures.

Comprehensive system design skill for creating professional software architecture specifications. Use this skill when asked to design systems (e.g., "Design a chat application", "Design an e-commerce platform", "Create system architecture for X"). Generates complete technical specifications with architecture diagrams, database schemas, API designs, scalability plans, security considerations, and deployment strategies. Creates organized spec folders with all documentation following professional software engineering standards, from high-level overview down to detailed implementation specifications.

Enterprise Neon Serverless PostgreSQL Platform with AI-powered database architecture, Context7 integration, and intelligent branching orchestration for scalable modern applications

Enterprise-grade FastAPI development covering complete full-stack architecture with Next.js/React frontend, Neon Serverless PostgreSQL, SQLModel ORM, security hardening, payment integrations (Stripe, JazzCash, EasyPaisa), async patterns, real-time features, microservices, and production deployment. Use when building APIs, integrating with databases, implementing authentication/authorization, payment systems, real-time functionality, or deploying to production.

Systematic 7-step methodology for comprehensive patent prior art searches and patentability assessments using BigQuery and CPC classification

Generates Construct 3 event sheet JSON that can be pasted into the C3 editor. Invoked when generating clipboard-ready event blocks, querying ACE IDs and parameter formats, implementing game logic patterns (movement, collision, timers), or converting between Schema and editor ID formats. Based on 490 official examples.

Connect Supabase databases to Claude Desktop artifacts with read-only queries and live data visualization.

WordPress security best practices and vulnerability prevention patterns. Use when reviewing WordPress code for security issues, writing secure WordPress code, or checking for common vulnerabilities like SQL injection, XSS, CSRF, and authentication issues.

GitHub 이슈 라벨별 구조화된 템플릿. 버그, 기능 요청, 개선 사항, 리팩토링, 문서, 질문 등각 이슈 타입에 맞는 한국어 템플릿 제공. /alfred:9-feedback에서 사용.

Fastify Node.js expert for .ts API files, REST endpoints, routes, middleware, handlers, PostgreSQL, SQL queries, pg.Pool, Zod schemas, validation, authentication, authorization, async/await, database connections, camelCase, type safety, error handling

Routes queries to appropriate data sources (vectordb, web_search, direct_llm) and selects collections to search. Use when analyzing user queries, determining search strategy, or when the user mentions routing, collections, or data source selection.

Use this skill when designing database schemas for relational (SQL) or document (NoSQL) databases. Provides normalization guidelines, indexing strategies, migration patterns, and performance optimization techniques. Ensures scalable, maintainable, and performant data models.

pgvector - PostgreSQL extension for vector similarity search. Use for embedding storage, cosine similarity, IVFFlat indexes, and HNSW indexes.

Comprehensive PostgreSQL configuration and usage analysis for Rails applications. Use when Claude Code needs to analyze a Rails codebase for database performance issues, optimization opportunities, or best practice violations. Detects N+1 queries, missing indexes, suboptimal database configurations, anti-patterns, and provides actionable recommendations. Ideal for performance audits, optimization tasks, or when users ask to "analyze the database", "check for N+1 queries", "optimize PostgreSQL", "review database performance", or "suggest database improvements".