Databases Agent Skills for Codex CLI

Use when the user asks to create ERD diagrams, normalize database schemas, design table relationships, or plan schema migrations.

Use when the user asks to write SQL queries, optimize database performance, generate migrations, explore database schemas, or work with…

Used to analyze Apache ShardingSphere community issues. Emphasizes root-cause-first and evidence-first classification before conclusions, and produces copy-ready GitHub issue replies in the voice of an Apache ShardingSphere community maintainer.

This skill uses the database-index-advisor plugin to analyze query patterns and recommend optimal database indexes.

Manages the reviewable patch lifecycle (validate -> dry-run -> apply) for canonical entities safely without directly mutating derived files.

Edit features with the Editor component/widget, configure forms, manage subtypes, handle attachments, and work with branch versioning.

Work with ArcGIS Knowledge graphs for storing, querying, and visualizing connected data using KnowledgeGraphLayer, LinkChartView, and…

Use this skill when designing database schemas for relational (SQL) or document (NoSQL) databases.

Database Designer - POWERFUL Tier Skill

Database Designer - POWERFUL Tier Skill

Data engineering skill for building scalable data pipelines, ETL/ELT systems, and data infrastructure.

Use when doing database operations in an Astro project via Astro DB (defineDb, defineTable, db/config.ts, Turso).

Use AsyncQdrantClient for awaitable Qdrant collection, point,

Async SQLAlchemy 2.0+ database patterns for FastAPI including session management, connection pooling, Alembic migrations, relationship…

Remove stored knowledge from Larvling's memory

Select and apply the correct SQL connector implementation pattern (SDK-default minimal or source-specific custom).

Attach, explore, and persist DuckDB (.duckdb) or SQLite (.sqlite) database files across multi-turn sessions.

This skill should be used when the user asks "why is my index not being used", "which columns should I index", "what order should the…

Build MySQL queries, perform CRUD operations, and manage transactions using @axiosleo/orm-mysql.

Azure Cosmos DB SDK for Java. NoSQL database operations with global distribution, multi-model support, and reactive patterns.

Connect to Azure Database for PostgreSQL Flexible Server from Node.js/TypeScript using the pg (node-postgres) package.