Database
Database management and queries
polars-expertise
by DeevsDeevs
This skill should be used when the user asks about Polars DataFrame library (Apache Arrow) for Python or Rust. Triggers: "polars expressions", "lazy vs eager", "scan_parquet streaming", "convert pandas to polars", "pyspark to polars", "kdb to polars", "group_by_dynamic", "rolling_mean", "polars window functions", "asof join", "polars GPU", "polars parquet", "LazyFrame". Time series: OHLCV resampling, rolling windows, financial data patterns. Performance: native expressions over map_elements, early projection, categorical types, streaming.
dependency-injection
by psincraian
myfy dependency injection with scopes (SINGLETON, REQUEST, TASK). Use when working with @provider decorator, DI container, scopes, injection patterns, or understanding how WebModule, DataModule, FrontendModule, TasksModule, UserModule, CliModule, AuthModule, and RateLimitModule use dependency injection.
prisma
by fellipeutaka
Prisma ORM — type-safe database toolkit for TypeScript/Node.js. Schema-first approach with Prisma Schema Language, auto-generated type-safe client, migrations via Prisma Migrate. Use when defining database models in schema.prisma, writing CRUD queries with Prisma Client, setting up relations (1-1, 1-n, m-n), running migrations (prisma migrate dev/deploy), configuring prisma.config.ts, using raw SQL/TypedSQL, creating client extensions, or working with PostgreSQL, MySQL, SQLite, SQL Server, MongoDB, CockroachDB.
nuqs
by fellipeutaka
Type-safe URL query state management with nuqs 2.x. Use when writing or reviewing code that uses useQueryState, useQueryStates, URL search params, query parameters, nuqs parsers, createLoader, createSearchParamsCache, createSerializer, or URL state in Next.js, React, Remix, React Router, or TanStack Router.
bun
by fellipeutaka
Bun runtime, package manager, bundler, and test runner. Use when running scripts with bun, managing packages, serving HTTP with Bun.serve, querying databases with Bun.sql/bun:sqlite/Bun.redis, shell scripting with $, using S3/file I/O, writing tests with bun:test, bundling or compiling to executable, or using any Bun-specific API (spawn, glob, semver, FFI, workers, plugins, HTMLRewriter).
tanstack-query
by fellipeutaka
TanStack Query (React Query) v5 best practices for data fetching, caching, mutations, and server state management. Use when building data-driven React applications, setting up query configurations, implementing mutations/optimistic updates, configuring caching strategies, integrating with SSR, or fixing v4→v5 migration errors.
fastify-best-practices
by fellipeutaka
Comprehensive best practices for Fastify development
better-auth
by fellipeutaka
Better Auth — framework-agnostic TypeScript authentication & authorization library. Covers setup, email/password, social OAuth (40+ providers), passkeys, magic links, 2FA, organizations, sessions, plugins, admin, hooks, and security hardening. Use when implementing auth with Better Auth: configuring auth instances, adding providers, setting up database adapters (Prisma, Drizzle, PostgreSQL, MySQL, SQLite, MongoDB), integrating with frameworks (Next.js, Nuxt, SvelteKit, Astro, Hono, Express, Elysia, Fastify, Expo), managing sessions, or extending with plugins.
next-upgrade
by fellipeutaka
Upgrade Next.js to the latest version following official migration guides and codemods
drizzle-orm
by fellipeutaka
Drizzle ORM — type-safe, lightweight TypeScript ORM for SQL databases. Schema declaration, CRUD queries, joins, relations, migrations with Drizzle Kit, and database seeding. Use when defining database schemas, writing queries (select/insert/update/delete), setting up migrations, configuring drizzle.config.ts, establishing database connections, validating data with drizzle-zod/valibot, or working with PostgreSQL, MySQL, SQLite, Turso, Bun SQL, Neon, Supabase, PGlite, Expo SQLite, Cloudflare D1, PlanetScale, SingleStore, MSSQL, CockroachDB.
elysiajs
by fellipeutaka
Create backend with ElysiaJS, a type-safe, high-performance framework.
laravel-mcp
by rawveg
Laravel v12 - The PHP Framework For Web Artisans (project, gitignored)
laravel-cashier-paddle
by rawveg
Laravel Cashier (Paddle) - Subscription billing and payment processing
laravel
by rawveg
Laravel v12 - The PHP Framework For Web Artisans
snowflake-expert
by personamanagmentlayer
Expert-level Snowflake data warehouse platform, virtual warehouses, data sharing, streams, tasks, and SQL optimization
dbt-expert
by personamanagmentlayer
Expert-level dbt (data build tool), models, tests, documentation, incremental models, macros, and Jinja templating
postgresql-expert
by personamanagmentlayer
Expert-level PostgreSQL database administration, advanced queries, performance tuning, and production operations
performance-expert
by personamanagmentlayer
Expert-level performance optimization, profiling, benchmarking, and tuning
kubernetes-expert
by personamanagmentlayer
Expert-level Kubernetes cluster management, deployment strategies, networking, and production operations
flyway-migration
by martinellich
Creates versioned Flyway database migration scripts (V*.sql) with sequences, tables, constraints, and foreign keys from the entity model. Use when the user asks to "create a migration", "generate SQL scripts", "set up database tables", "write a Flyway migration", or mentions schema migration, DB migration, database versioning, or SQL migration files.
mongodb-expert
by personamanagmentlayer
Expert-level MongoDB database design, aggregation pipelines, indexing, replication, and production operations
sql-expert
by personamanagmentlayer
Expert-level SQL database design, querying, optimization, and administration across PostgreSQL, MySQL, and SQL Server
powerbi-expert
by personamanagmentlayer
Expert-level Power BI, DAX, M language, data modeling, Power Query, report design, and paginated reports
search
by aviflombaum
Search project documentation using qmd semantic search. Use BEFORE grepping/globbing indexed directories. Triggers on any task involving finding docs, plans, or other indexed markdown content.