Database
Database management and queries
postgresql
by iliaal
PostgreSQL schema design, query optimization, indexing, and administration. Use when writing schemas, queries, migrations, or mentions PostgreSQL, Postgres, JSONB, partitioning, RLS, CTEs, window functions, EXPLAIN ANALYZE, or connection pooling.
filter-sphere
by lawvs
Integrate Filter Sphere into a project - schema-driven filtering for Zod-typed data. Use when building filtering UIs, data tables with filters, or adding sort/filter logic to any TypeScript application.
real-world-rails
by steveclarke
Research how production Rails apps solve architectural problems using the Real World Rails repository. Use when the user wants to know how other apps handle something, find patterns, or compare approaches. Triggers on "rails patterns", "how do other apps", "real world rails", "research how apps do".
app-platform-router
by digitalocean-labs
Routes DigitalOcean App Platform tasks to specialized sub-skills. Use when working with App Platform deployments, migrations, database configuration, networking, or troubleshooting.
pandasai
by vamseeachanta
Conversational data analysis using natural language queries on DataFrames. Chat with your data using LLMs to generate insights, create visualizations, and explain code.
polars
by vamseeachanta
High-performance DataFrame library for fast data processing with lazy evaluation, parallel execution, and memory efficiency
claude-code-mcp
by vasilyu1983
Configure and build Model Context Protocol (MCP) servers for Claude Code integration. Set up database, filesystem, git, and API connections. Build custom MCP servers with TypeScript/Python SDK, implement tools and resources, configure transports (stdio, HTTP), and deploy for production.
agents-mcp
by vasilyu1983
Configure and build Model Context Protocol (MCP) servers for AI coding agent integration (Claude Code, Codex CLI). Set up database, filesystem, git, and API connections. Build custom MCP servers with TypeScript/Python SDK, implement tools and resources, configure transports (stdio, HTTP), and deploy for production. Advises when to use MCP vs direct tool calls.
vector-databases
by claude-dev-suite
Vector database integration for embeddings and similarity search. Pinecone, Weaviate, Qdrant, ChromaDB, pgvector. Index management, metadata filtering, hybrid search, and production optimization. USE WHEN: user mentions "vector database", "embeddings", "similarity search", "Pinecone", "Weaviate", "Qdrant", "ChromaDB", "pgvector", "HNSW", "ANN" DO NOT USE FOR: LangChain integration - use langchain; RAG architecture - use rag-patterns; traditional databases - use database skills
graphql-codegen
by claude-dev-suite
GraphQL Code Generator for TypeScript. Generates typed operations, hooks, and document nodes from GraphQL schemas. Use for type-safe GraphQL in frontend. USE WHEN: user mentions "GraphQL Codegen", "generate GraphQL types", "GraphQL TypeScript", "typed GraphQL", "client preset", "React Query GraphQL", asks about "GraphQL code generation", "type-safe GraphQL client", "fragment masking" DO NOT USE FOR: REST API types - use openapi-codegen instead; tRPC - use trpc instead; GraphQL schema design - use graphql instead; Manual GraphQL queries without codegen
nestjs
by claude-dev-suite
NestJS enterprise Node.js framework. Covers modules, controllers, services, guards, and dependency injection. Use when building scalable Node.js applications. USE WHEN: user mentions "NestJS", "nest", "@nestjs", "@Module", "@Controller", "@Injectable", asks about "dependency injection in Node.js", "enterprise Node.js framework", "TypeScript backend framework", "decorators in backend", "guards and pipes", "modular Node.js architecture" DO NOT USE FOR: Express (minimalist framework) - use express instead, Fastify (performance-focused) - use fastify instead, Hono (edge runtimes) - use hono instead, Deno frameworks - use oak or fresh instead
springdoc-openapi
by claude-dev-suite
Springdoc OpenAPI for API documentation in Spring Boot. Covers Swagger UI configuration, annotations, schema customization, and security documentation. Based on production patterns from castellino and gestionale-presenze projects. USE WHEN: user mentions "Springdoc", "Spring Boot OpenAPI", "Swagger in Spring", "@Operation", "@Schema", "Swagger UI Spring", asks about "Spring Boot API documentation", "Spring REST documentation", "OpenAPI in Java" DO NOT USE FOR: General OpenAPI specs - use openapi instead; GraphQL - use graphql instead; Non-Spring Boot projects; Frontend OpenAPI generation - use openapi-codegen instead
graphql
by claude-dev-suite
GraphQL API design. Covers schema, queries, mutations, and resolvers. Use when building or consuming GraphQL APIs. USE WHEN: user mentions "GraphQL", "schema definition", "resolvers", "mutations", "queries", "DataLoader", "N+1 problem", asks about "how to design GraphQL API", "GraphQL schema", "GraphQL authentication", "GraphQL pagination", "Apollo Server" DO NOT USE FOR: REST APIs - use rest-api instead; tRPC - use trpc instead; GraphQL code generation - use graphql-codegen instead
business-case-development
by aj-geddes
Build compelling business cases to justify investments and secure funding. Quantify benefits, assess costs, manage risks, and present compelling ROI arguments to leadership.
databases
by mrgoonie
Work with MongoDB (document database, BSON documents, aggregation pipelines, Atlas cloud) and PostgreSQL (relational database, SQL queries, psql CLI, pgAdmin). Use when designing database schemas, writing queries and aggregations, optimizing indexes for performance, performing database migrations, configuring replication and sharding, implementing backup and restore strategies, managing database users and permissions, analyzing query performance, or administering production databases.
backend-development
by mrgoonie
Build robust backend systems with modern technologies (Node.js, Python, Go, Rust), frameworks (NestJS, FastAPI, Django), databases (PostgreSQL, MongoDB, Redis), APIs (REST, GraphQL, gRPC), authentication (OAuth 2.1, JWT), testing strategies, security best practices (OWASP Top 10), performance optimization, scalability patterns (microservices, caching, sharding), DevOps practices (Docker, Kubernetes, CI/CD), and monitoring. Use when designing APIs, implementing authentication, optimizing database queries, setting up CI/CD pipelines, handling security vulnerabilities, building microservices, or developing production-ready backend systems.
ocpp
by alexeimoisseev
OCPP protocol reference for EV charging infrastructure development. Covers OCPP 2.0.1 and OCPP 1.6J. Use when working with OCPP messages, charging station code, CSMS/Central System backends, smart charging, transaction handling, or EV charging protocols. Activates on keywords: OCPP, charging station, charge point, CSMS, Central System, EVSE, charging profile, BootNotification, TransactionEvent, StartTransaction, StopTransaction, SetChargingProfile, or any OCPP message name.
docker-local-dev
by thienanblog
Generate Docker Compose and Dockerfile configurations for local development through interactive Q&A. Supports PHP/Laravel, WordPress, Drupal, Joomla, Node.js, and Python stacks with Nginx, Supervisor/PM2, databases, Redis, and email testing. Always asks clarifying questions before generating configurations.
performance-optimizer
by nguyenthienthanh
"Identify and resolve performance bottlenecks through profiling, measurement, and targeted optimization."
database-driver-design
by Joannis
'Expert guidance on building Swift database client libraries. Use when developers mention: (1) building a database driver, (2) wire protocol implementation, (3) connection pooling design, (4) state machines for protocol handling, (5) NIO channel handlers for databases, (6) backpressure in result streaming, (7) actor executor alignment with NIO.'
postgres
by Joannis
'Expert guidance on using PostgreSQL with Swift. Use when developers mention: (1) PostgreSQL or Postgres in Swift, (2) postgres-nio library, (3) SQL queries in Swift, (4) PostgreSQL connection pooling, (5) prepared statements, (6) type-safe database access, (7) bulk loading or COPY FROM, (8) PostgresClient or PostgresConnection.'
microservices-patterns
by NickCrew
Comprehensive microservices architecture patterns covering service decomposition, communication, data management, and resilience strategies. Use when designing distributed systems, breaking down monoliths, or implementing service-to-service communication.
vue-router-skilld
by harlan-zw
"ALWAYS use when writing code importing \"vue-router\". Consult for debugging, best practices, or modifying vue-router, vue router, router."
vue-test-utils-skilld
by harlan-zw
"ALWAYS use when writing code importing \"@vue/test-utils\". Consult for debugging, best practices, or modifying @vue/test-utils, vue/test-utils, vue test-utils, vue test utils, test-utils, test utils."