Agent skills for Claude Code

Converts raw CSV, Excel, or JSON datasets into professional, interactive visual reports and KPI dashboards.

Generates OpenChart (https://github.com/tryopendata/openchart) chart, table, graph, sankey, tilemap, and geo map specs from data, and…

Snowflake, BigQuery, clustering, partitioning, and materialized views for warehouse performance.

Architects complex database structures and manages data lifecycles through autonomous schema design and terminal-based execution.

Use this skill when the user needs to choose a database, design a schema, set up Supabase or another database, write queries, handle…

Guides database schema design, migration planning, and query optimization using universal development standards.

Expert guidance on building Swift database client libraries.

Detects missing database indexes in PHP code.

Master database schema and data migrations across ORMs (Sequelize, TypeORM, Prisma), including rollback strategies and zero-downtime…

Safe database migration manager for zero-downtime DDL changes and rollback plans.

Write a safe, zero-downtime database migration plan for a schema change.

Create and manage database migrations with reversible changes, proper naming conventions, and zero-downtime deployment strategies.

Query optimization, indexing strategies, and database performance tuning for PostgreSQL and MySQL

Database design and migration patterns for Alembic migrations, schema design (SQL/NoSQL), and database versioning.

Database design patterns including schema design, migrations, soft deletes, and Exposed ORM.

Database access patterns for performance.

Use when the user mentions database schema review, migration safety, GRDB migration audit, or SQLite schema checking.

Database schema design for PostgreSQL/MySQL with normalization, relationships, constraints.

Document database schemas, ERD diagrams, table relationships, indexes, and constraints.

Creates database table with full Kotlin synchronization (SQL migration → Table → Entity → Repository → Tests).

Database comparison catalogs, RDBMS vs NoSQL selection criteria, CAP/ACID/BASE theory, OLTP vs OLAP, and technology-specific characteristics