Database

The sql-queries skill turns business questions and rough analytics goals into optimized SQL for BigQuery, PostgreSQL, MySQL, and other dialects. It reads schema context, clarifies filters and aggregations, and helps with sql-queries for Data Analysis, reporting, and exploration.

Use wp-performance to investigate and improve WordPress performance from the backend, without a browser UI. It supports measurement-first diagnosis for slow frontend requests, admin pages, REST routes, and WP-Cron, with guidance on WP-CLI profile/doctor, Query Monitor via REST headers, Server-Timing, database queries, autoloaded options, object caching, cron, and remote HTTP calls.

icpg adds a WHY layer to code understanding with ReasonNodes, formal contracts, and drift detection. Use it for code review, refactoring, and pre-task analysis when you need intent, ownership, and risk context before changing code.

database-schema helps agents read the database contract before writing queries, migrations, or model code. It reduces wrong column names, missing fields, and type mismatches by checking schema files and generated types first. Use this database-schema guide for safer Database Engineering workflows.

attach-db helps you attach a DuckDB database file for immediate querying with /duckdb-skills:query. It validates the file, checks DuckDB is installed, inspects schema details, and writes shared state so later queries can restore automatically with duckdb -init. Built for Database Engineering workflows that need a reliable attach-db guide.

The postgres-nio skill helps you use PostgreSQL from Swift with async/await, connection pooling, prepared statements, and type-safe queries. It is a strong fit for Backend Development teams building Swift services that need practical postgres-nio usage, not generic SQL theory.

The hummingbird skill provides practical guidance for Hummingbird 2, a lightweight Swift HTTP server framework. Use it to install, set up, and use hummingbird for Backend Development, including routing, middleware, auth, websockets, and Fluent integration when you need a focused hummingbird guide.

swift-valkey helps Swift backend developers use Valkey and Redis with async/await, cluster routing, and pub/sub. It is a practical swift-valkey guide for cache, queue, and session workflows, with install and usage notes grounded in the repo’s SKILL.md and typed command patterns.

database-driver-design is a guide for designing production-quality Swift database client libraries. It covers wire protocols, connection management, type-safe command APIs, pooling, backpressure, and Swift Concurrency alignment for Backend Development teams.

The supabase skill helps you manage Supabase-backed apps with a local-first workflow for database changes, auth, storage, Edge Functions, migrations, and RLS. Use this supabase guide when you want practical supabase usage, install guidance, and repeatable deployment steps instead of ad hoc production edits.

cloudflare-d1 is a practical guide for Cloudflare Workers and D1 SQLite with Wrangler, Drizzle ORM, and migrations. Use the cloudflare-d1 skill for Database Engineering tasks that need binding setup, schema changes, and repeatable local-to-deploy workflows.

azure-cosmosdb helps you design Cosmos DB partition keys, evaluate consistency tradeoffs, and review change feed and SDK usage patterns. This azure-cosmosdb guide is useful for Database Engineering when you need to model access patterns, avoid cross-partition queries, and choose the right Cosmos DB API.

The postgres skill lets you inspect live PostgreSQL databases with read-only SQL. Use it for schema discovery, table checks, and SELECT-based analysis across multiple connections with description-based auto-selection. It is built for Database Engineering workflows and blocks writes like INSERT, UPDATE, DELETE, and DROP for safety.

The automate-whatsapp skill helps you build WhatsApp automations in Kapso with triggers, workflow graphs, functions, integrations, and database-backed state. Use this automate-whatsapp guide for workflow automation, install steps, and practical usage when you need repeatable event-driven WhatsApp handling.