postgresql-psql

example-data-processor

fkesheh

Process CSV data files by cleaning, transforming, and analyzing them. Use this when users need to work with CSV files, clean data, or perform basic data analysis tasks.

aws-rds-aurora-spring-data-jpa-configuration

giuseppe-trisciuoglio

Focused guide for configuring AWS RDS Aurora (MySQL/PostgreSQL) with Spring Data JPA. Use when setting up Aurora database connections, configuring datasources, connection pooling, and production-ready settings.

aws-rds

giuseppe-trisciuoglio

AWS RDS (Relational Database Service) management using AWS SDK for Java 2.x. Use when working with RDS instances, creating databases, managing snapshots, parameter groups, or querying RDS metadata and configurations.

spring-data-jpa

giuseppe-trisciuoglio

Spring Data JPA expertise for building persistence layers. Use when implementing repositories, query methods, entity relationships, auditing, transactions, pagination, multiple databases, deletion operations, UUID primary keys, and database indexing. Covers repository interfaces, derived queries, custom queries with @Query, one-to-one/many-to-many relationships, pagination and sorting, database auditing, cascade operations, UUID strategies, composite indexes, and Spring Data best practices.

senior-fullstack

alirezarezvani

Comprehensive fullstack development skill for building complete web applications with React, Next.js, Node.js, GraphQL, and PostgreSQL. Includes project scaffolding, code quality analysis, architecture patterns, and complete tech stack guidance. Use when building new projects, analyzing code quality, implementing design patterns, or setting up development workflows.

grey-haven-code-style

greyhaven-ai

Apply Grey Haven Studio's actual coding standards from cvi-template (TypeScript/React) and cvi-backend-template (Python/FastAPI). Use when writing or reviewing code for Grey Haven projects. Includes Prettier, ESLint, Ruff, database conventions, and multi-tenant patterns.

xp-practices

proffesor-for-testing

Apply XP practices including pair programming, ensemble programming, continuous integration, and sustainable pace. Use when implementing agile development practices, improving team collaboration, or adopting technical excellence practices.

aws-sdk-java-v2-secrets-manager

giuseppe-trisciuoglio

AWS Secrets Manager patterns using AWS SDK for Java 2.x. Use when storing/retrieving secrets (passwords, API keys, tokens), rotating secrets automatically, managing database credentials, or integrating secret management into Spring Boot applications.

langchain4j-vector-stores-configuration

giuseppe-trisciuoglio

Configure LangChain4J vector stores for RAG applications. Use when building semantic search, integrating vector databases (PostgreSQL/pgvector, Pinecone, MongoDB, Milvus, Neo4j), implementing embedding storage/retrieval, setting up hybrid search, or optimizing vector database performance for production AI applications.

qdrant-java-development

giuseppe-trisciuoglio

Qdrant vector database integration patterns with LangChain4j. Store embeddings, similarity search, and vector management. Use when implementing vector-based retrieval for RAG systems.

xlsx

mrgoonie

Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas

cloudflare

mrgoonie

Guide for building applications on Cloudflare's edge platform. Use when implementing serverless functions (Workers), edge databases (D1), storage (R2, KV), real-time apps (Durable Objects), AI features (Workers AI, AI Gateway), static sites (Pages), or any edge computing solutions.