Databases

Document learning insights and activities to Supabase with proper categorization, formatting, and retrieval patterns

OpenAI Codex CLI usage patterns, configuration, sandboxing, and best practices for AI-assisted development.

Use when designing iOS/Android gestures, haptic feedback, touch interactions, or native mobile animations.

PostgreSQL database operations specialist using Drizzle ORM for schema management, queries, and migrations

Use Lockplane for safe database schema management - define schemas in .lp.sql files, validate, and apply with shadow DB testing

GPTers 플랫폼의 데이터 소스 레퍼런스를 조회합니다. Portal DB(PostgreSQL)와 Airtable 테이블 구조, 필드 정보, 동기화 방향, ID 매핑 관계를 확인할 때 사용하세요. 데이터베이스 스키마, 테이블 관계, Sync 테이블, Hightouch 동기화에 대한 질문에 활용됩니다.

MySQL performance optimization guide for Spring Boot/JPA. Use when reviewing database code, discussing index design, query optimization, N+1 problems, JPA/Hibernate tuning, or analyzing EXPLAIN plans. Complements /mysql-performance and /optimize-query commands.

Supabase backend development: database, RLS, Edge Functions, queries.USE WHEN: creating tables, migrations, RPC functions, Edge Functions,RLS policies, query optimization, Supabase infrastructure.NOT FOR: Flutter UI (use flutter-developer), tests (use testing-agent).Examples:<example>Context: The user needs to create a new database table.user: "Create a table for customer reviews with ratings and comments"assistant: "I'll use the backend-dev skill to design the reviews table with RLS policies."<commentary>Database table creation requires backend-dev.</commentary></example><example>Context: The user needs server-side business logic.user: "Create an Edge Function to calculate dynamic pricing"assistant: "I'll use backend-dev to develop the Edge Function for pricing."<commentary>Edge Functions are a core backend-dev responsibility.</commentary></example>

Master MongoDB ACID transactions for multi-document operations. Learn session management, transaction mechanics, error handling, and production patterns. Guarantee data consistency across multiple operations.

GitHub workflow automation for UTXOracle. Generate standardized PR descriptions, issue templates, and commit messages. Reduces token usage by 70% on repetitive GitHub operations.

Expert technical advisor with deep reasoning for architecture decisions, code analysis, and engineering guidance.

SQLAlchemy Python SQL toolkit and ORM with powerful query builder, relationship mapping, and database migrations via Alembic. Use when building Python applications with complex database requirements, using FastAPI/Flask/Django, or needing type-safe SQL queries.

User feedback patterns including success/error messages, loading states, confirmations, and progress indicators. Use when implementing notifications, toasts, or status updates. (project)

This skill should be used when the user asks to "write XCUITest", "create UI tests", "fix flaky tests", "query XCUIElements", "implement Page Object pattern", or mentions XCUITest, UI testing for iOS/macOS apps. Targets experienced iOS developers who want best practices and efficiency improvements.

E2B sandbox deployment and management in Flow Nexus cloud. Use for creating isolated execution environments, running code safely, and managing development workflows.

Decision guide for when to query Bluera Knowledge stores vs using Grep/Read on current project. Query BK for library/dependency questions and reference material. Use Grep/Read for current project code, debugging, and implementation details. Includes setup instructions and mental model.

Use when editing Observable notebooks (docs/index.html), creating charts with Plot, adding SQL cells, loading data with FileAttachment, or working with DuckDB. Triggers on notebook editing, visualization, data loading.

This skill teaches the agent how to manage database schemas and migrations in the API project. MANDATORY - You MUST read this skill before modifying any database schema or migration files.

MongoDB fundamentals including document model, CRUD operations, querying, indexing, and aggregation framework for NoSQL database applications.

Implement Claude Code hooks for deterministic control over agent behavior. Use when creating custom hooks for notifications, auto-formatting, logging, feedback, permissions, or lifecycle events.