Databases
SQL, NoSQL, and database management skills
4429 skills in this category
Subcategories
project-architecture
This skill should be used when the user asks about "namespaces", "singleton", "TileManager", "GameManager", "TokenManager", "InputManager", "data flow", "class responsibilities", "layers", "folder structure", "code organization", "design patterns", "ScriptableObject", "databases", or discusses Zero-Day Attack codebase architecture and patterns.
cloudflare-d1
Complete knowledge domain for Cloudflare D1 - serverless SQLite database on Cloudflare's edge network.Use when: creating D1 databases, writing SQL migrations, configuring D1 bindings, querying D1 from Workers,handling SQLite data, building relational data models, or encountering "D1_ERROR", "statement too long","too many requests queued", migration failures, or query performance issues.Keywords: d1, d1 database, cloudflare d1, wrangler d1, d1 migrations, d1 bindings, sqlite workers,serverless database, edge database, d1 queries, sql cloudflare, prepared statements, batch queries,d1 api, wrangler migrations, D1_ERROR, D1_EXEC_ERROR, statement too long, database bindings,sqlite cloudflare, sql workers api, d1 indexes, query optimization, d1 schema
idea-validator
Provides brutally honest, quick validation of app/product ideas before building. Use when the user wants to validate a new idea, evaluate market potential, assess feasibility, or get honest feedback on whether an idea is worth pursuing. Triggers include phrases like "validate this idea", "is this worth building", "what do you think of this idea", "should I build this", or before starting any new project.
actionable-review-format-standards
Standardized output format for code reviews with severity labels, file:line references, and fix code snippets. Use when generating review reports that need consistent, actionable feedback structure.
jelly-elasticsearch-skill
Elasticsearch and OpenSearch skill for full-text search, aggregations, and index management. Activated when users need to search, query, or analyze data in Elasticsearch/OpenSearch clusters.
data-modeling
Firestore 데이터 모델링과 스키마 설계 패턴을 적용합니다. 새 컬렉션 추가, 관계 설계, 인덱스 최적화, 데이터 마이그레이션 시 사용하세요. NoSQL 특성에 맞는 비정규화 전략을 포함합니다.
deepwiki
Query DeepWiki for repository documentation and structure. Use to understand open source projects, find API docs, and explore codebases.
worldcrafter-skill-selector
Meta-skill for selecting correct WorldCrafter skill. Use when unclear which skill to use, request maps to multiple skills, need to orchestrate skills, user asks for guidance, or ambiguous requests need clarification. Provides decision trees and trigger matching for feature-builder (complete features with forms), database-setup (tables/migrations/RLS), test-generator (add tests), route-creator (simple pages/APIs), auth-guard (authentication/authorization), ai-assistant (AI generation/suggestions/consistency), visualization (maps/timelines/graphs), and chatgpt-setup (MCP integration). Do NOT use when request clearly maps to one skill or trigger phrases clearly indicate specific skill.
index
Manage and query the documentation dependency index. Use this to identify which documents need to be updated when code changes.
receiving-code-review
Use when receiving code review feedback, before implementing suggestions, especially if feedback seems unclear or technically questionable - requires technical rigor and verification, not performative agreement or blind implementation
frontend-react
Modern React stack: React 19, TypeScript, Tailwind CSS, Vite, TanStack Query.Use when: building React apps, components, state management, or UI.Triggers: "react", "frontend", "tailwind", "vite", "typescript react","component", "useState", "tanstack", "react query".
schema-architect
Designs database schemas with multi-tenancy, relationships, and best practices. Triggers when user needs to design data model, create entities, or plan database structure.
oauth21-token-endpoint
OAuth 2.1 Token Endpoint implementation guide. Use when implementing token endpoint requirements beyond OpenID Connect, including grant types, token response format, Cache-Control headers, CORS support, and error handling. Covers OAuth 2.1 Section 3.2 and Section 4 requirements.
lark
Lark/Feishu API integration for messaging, group management, contacts, and calendar. Use this skill to send messages, manage chats, query contacts, and sync calendar events with Lark/Feishu.
moai-lang-python
Enterprise-grade Python expertise with production patterns for Python 3.13.9, FastAPI 0.115.x, Django 5.2 LTS, Pydantic v2, SQLAlchemy 2.0; activates for API development, ORM usage, async patterns, testing frameworks, and production deployment strategies.
canvas-feedback-template
Generate learning science-backed feedback templates for Canvas assignments. Use when educators need feedback templates for grading, want to create rubric comments, need encouraging feedback language aligned with Pillar 3 principles (targeted, encouraging, immediate), or want to set up SpeedGrader comment libraries. Works with canvas-mcp for bulk grading.
database-patterns
SQLite veritabani yapisi ve CRUD pattern referansi. Use when working with database operations, queries, or understanding the data model.
postgresql-16
PostgreSQL 16 database documentation. Use for SQL queries, indexes, transactions, JSON operations, full-text search, and performance tuning.
database-fundamentals
Auto-invoke when reviewing schema design, database queries, ORM usage, or migrations. Enforces normalization, indexing awareness, query optimization, and migration safety.
sqlserver-expert
Expert in Microsoft SQL Server development and administration. Use when writing T-SQL queries, optimizing database performance, designing schemas, configuring SQL Server, or integrating SQL Server with Node.js using mssql package.