SQL Toolkit

Query, design, migrate, and optimize SQL databases. Use when working with SQLite, PostgreSQL, or MySQL — schema design, writing queries, creating migrations, indexing, backup/restore, and debugging slow queries. No ORMs required.

Golang Database

Comprehensive guide for Go database access — parameterized queries, struct scanning, NULLable columns, transactions, isolation levels, SELECT FOR UPDATE, con...

ZODB

A native object database for Python. A key-value and object graph database.

Nodejs Patterns

WHAT: Production-ready Node.js backend patterns - Express/Fastify setup, layered architecture, middleware, error handling, validation, database integration, authentication, and caching. WHEN: User is building REST APIs, setting up Node.js servers, implementing authentication, integrating databases, adding validation/caching, or structuring backend applications. KEYWORDS: nodejs, node, express, fastify, typescript, api, rest, middleware, authentication, jwt, validation, zod, postgres, mongod

Batter Auth Complete Documentation

Complete Better Auth documentation in markdown format. Use when implementing authentication in TypeScript projects - covers OAuth providers (Google, GitHub, etc.), email/password, passkeys, 2FA, session management, database adapters (Prisma, Drizzle), and framework integrations (Next.js, SvelteKit, etc.).

mongodb-query

Query MongoDB databases for debugging and troubleshooting. Use when user needs to: (1) List all databases, (2) List collections in a database, (3) Execute Mo...

dbcleaner

Clean database for testing purpose, inspired by `database_cleaner` in Ruby.