Databases Agent Skills for Codex CLI

Zero-downtime migration planning, compatibility validation, and rollback strategy generation.

Use when optimizing PostgreSQL queries, configuring replication, or implementing advanced database features.

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

Optimizes SQL queries, designs database schemas, and troubleshoots performance issues.

Execute read-only SQL queries against multiple PostgreSQL databases.

Azure Cosmos DB SDK for Rust (NoSQL API).

Build table storage applications with Azure Tables SDK for Java.

ClickHouse database patterns, query optimization, analytics, and data engineering best practices for high-performance analytical workloads.

Build Azure Cosmos DB NoSQL services with Python/FastAPI following production-grade patterns.

Execute database migrations across ORMs and platforms with zero-downtime strategies, data transformation, and rollback procedures.

Database development and operations workflow covering SQL, NoSQL, database design, migrations, optimization, and data engineering.

Expert guide for diagnosing and fixing Odoo performance issues: slow queries, worker configuration, memory limits, PostgreSQL tuning, and…

Build read models and projections from event streams.

Automate Supabase database queries, table management, project administration, storage, edge functions, and SQL execution via Rube MCP…

Postgres performance optimization and best practices from Supabase.

Guides Qdrant query volume scaling. Use when someone asks 'query returns too many results', 'scroll performance', 'large limit values'…

Generates Slowly Changing Dimension implementations across platforms

Analyze source and target system schemas to map structural differences and identify migration complexity at the start of a data migration…

Ensure database schema context is queried progressively, safely, and accurately without blind large-scale dumps.

Design database schemas with proper normalization, relationships, constraints, and indexes.

Manage database schema changes while maintaining backwards compatibility.