backend-queries
Write secure, performant, and optimized database queries using parameterized queries, eager loading, proper indexing, and transaction management. Use this skill when writing database queries in controllers, repositories, services, or model methods, when using query builders or ORM methods, when implementing filtering/sorting/pagination logic, when optimizing N+1 query problems with eager loading, when working with joins and complex queries, when implementing query caching, or when wrapping related operations in database transactions.
answering-natural-language-questions-with-dbt
Writes and executes SQL queries against the data warehouse using dbt's Semantic Layer or ad-hoc SQL to answer business questions. Use when a user asks about analytics, metrics, KPIs, or data (e.g., "What were total sales last quarter?", "Show me top customers by revenue"). NOT for validating, testing, or building dbt models during development.
sql-queries
Expert SQL query generation for DBX Studio. Use when writing, optimizing, or debugging SQL queries against user database connections.
homesec-db-logs
Query the HomeSec Postgres logs table to inspect recent runtime issues, counts by level/logger, and recurring error messages. Use when asked to check database logs in the telemetry DB, scan the last N hours for errors, or summarize log patterns. Enforce read-only access (SELECT only) and redact secrets.
sql-optimization
SQL optimization expert for query optimization, index design, and execution plan analysis. Keywords: sql, optimization, index, query, performance, explain
sql-query-optimizer
Sql Query Optimizer - Auto-activating skill for Data Analytics. Triggers on: sql query optimizer, sql query optimizer Part of the Data Analytics skill category.
modeling-nosql-data
This skill enables Claude to design NoSQL data models. It activates when the user requests assistance with NoSQL database design, including schema creation, data modeling for MongoDB or DynamoDB, or defining document structures. Use this skill when the user mentions "NoSQL data model", "design MongoDB schema", "create DynamoDB table", or similar phrases related to NoSQL database architecture. It assists in understanding NoSQL modeling principles like embedding vs. referencing, access pattern optimization, and sharding key selection.
apple-notes-cost-tuning
Apple Notes cost optimization — it is free, focus on iCloud storage management. Trigger: "apple notes cost".
clickhouse-core-workflow-b
Insert, query, and aggregate data in ClickHouse with real SQL patterns. Use when writing analytical queries, inserting data at scale, building dashboards, or implementing materialized views. Trigger: "clickhouse query", "clickhouse insert", "clickhouse aggregate", "clickhouse materialized view", "clickhouse SQL".
designing-database-schemas
Process use when you need to work with database schema design. This skill provides schema design and migrations with comprehensive guidance and automation. Trigger with phrases like "design schema", "create migration", or "model database".
algolia-cost-tuning
Optimize Algolia costs: understand search request vs record pricing, reduce operations with batching and caching, monitor usage via Analytics API. Trigger: "algolia cost", "algolia billing", "reduce algolia costs", "algolia pricing", "algolia expensive", "algolia budget".
supabase-postgres-best-practices
Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.
database-mongodb
Expert rules for schema design, indexing, and performance in MongoDB. Use when designing MongoDB schemas, creating indexes, or optimizing NoSQL query performance. (triggers: **/*.ts, **/*.js, **/*.json, mongo, mongoose, objectid, schema, model)
database-postgresql
Data access patterns, scaling, migrations, and ORM selection for PostgreSQL. (triggers: **/*.entity.ts, prisma/schema.prisma, **/migrations/*.sql, TypeOrmModule, PrismaService, PostgresModule)
generating-stored-procedures
Use when you need to generate, validate, or deploy stored procedures for PostgreSQL, MySQL, or SQL Server. Creates database functions, triggers, and procedures with proper error handling and transaction management. Trigger with phrases like "generate stored procedure", "create database function", "write SQL procedure", "add trigger to table", or "create CRUD procedures".
postgresql-code-review
PostgreSQL-specific code review assistant focusing on PostgreSQL best practices, anti-patterns, and unique quality standards. Covers JSONB operations, array usage, custom types, schema design, function optimization, and PostgreSQL-exclusive security features like Row Level Security (RLS).
postgresql-optimization
PostgreSQL-specific development assistant focusing on unique PostgreSQL features, advanced data types, and PostgreSQL-exclusive capabilities. Covers JSONB operations, array types, custom types, range/geometric types, full-text search, window functions, and PostgreSQL extensions ecosystem.
modeling-nosql-data
Build use when you need to work with NoSQL data modeling. This skill provides NoSQL database design with comprehensive guidance and automation. Trigger with phrases like "model NoSQL data", "design document structure", or "optimize NoSQL schema".
migrating-oracle-to-postgres-stored-procedures
Migrates Oracle PL/SQL stored procedures to PostgreSQL PL/pgSQL. Translates Oracle-specific syntax, preserves method signatures and type-anchored parameters, leverages orafce where appropriate, and applies COLLATE "C" for Oracle-compatible text sorting. Use when converting Oracle stored procedures or functions to PostgreSQL equivalents during a database migration.