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Popularity blends GitHub stars with local usage so the list stays grounded in real adoption.
Signal mix
Popular tags
Data & AI
Guide for connecting MCP (Model Context Protocol) servers to Claude Code with HTTP, stdio, and SSE transports. Covers installation, configuration, authentication, environment variables, and security. Use when the user wants to connect MCP servers, add integrations, configure external services, or mentions MCP, servers, integrations, or external tools.
General
Expert guidance for distributed NoSQL databases (Cassandra, DynamoDB). Focuses on mental models, query-first modeling, single-table design, and avoiding hot partitions in high-scale systems.
Development
Guide developers through setting up development environments with proper tools, dependencies, and configurations
Specialized in module boundaries, coupling analysis, and enforcing Modularity + Explicitness tenets
Master Minecraft server plugin development with Bukkit, Spigot, and Paper APIs.
Database
Database Administrator (DBA) Agent
Expert database administrator specializing in modern cloud databases, automation, and reliability engineering.
Productivity
Summarize meetings into clear, actionable notes with decisions and next steps
Use when you need to design or implement MongoDB data access in Spring Boot — including document modeling, Spring Data Mongo repositories/templates, indexing, optimistic concurrency, and error handling. This should trigger for requests such as Add MongoDB in Spring Boot; Review Spring Data Mongo design; Improve error handling for Mongo writes. Part of cursor-rules-java project
Documentation clarity, completeness, maintainability, and naming quality
Use when you need MongoDB persistence in Quarkus — including Panache Mongo entities/repositories, document design, indexes, transactions where applicable, and error handling. This should trigger for requests such as Add MongoDB in Quarkus; Review Quarkus Mongo Panache design; Improve Mongo error handling in Quarkus services. Part of cursor-rules-java project
Language-agnostic database best practices covering migrations, schema design, ORM patterns, query optimization, and testing strategies. Activate when working with database files, migrations, schema changes, SQL, ORM code, database tests, or when user mentions migrations, schema design, SQL optimization, NoSQL, database patterns, or connection pooling.
Use when you need MongoDB persistence in Micronaut — including @MongoRepository design, document modeling, indexes, query patterns, and error handling. This should trigger for requests such as Add MongoDB in Micronaut; Review Micronaut Data Mongo design; Improve error handling for Micronaut Mongo operations. Part of cursor-rules-java project
Communication
Build a real-time support chat system with a floating widget for users and an admin dashboard for support staff. Use when the user wants live chat, customer support chat, real-time messaging, or in-app support.
DevOps & Infra
Azure Resource Manager SDK for Cosmos DB in .NET.
Web
Use when working with full stack orchestration full stack feature
Comprehensive patterns for creating, maintaining, and managing Architecture Decision Records (ADRs) that capture the context and rationale behind significant technical decisions.
Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x. Expert in the latest Java ecosystem including GraalVM, Project Loom, and cloud-native patterns.
Create production-ready FastAPI projects with async patterns, dependency injection, and comprehensive error handling. Use when building new FastAPI applications or setting up backend API projects.
Database development and operations workflow covering SQL, NoSQL, database design, migrations, optimization, and data engineering.
Auto-instrument Node.js applications with distributed tracing, metrics, and logs.
You are an expert in Nest.js with deep knowledge of enterprise-grade Node.js application architecture, dependency injection patterns, decorators, middleware, guards, interceptors, pipes, testing strategies, database integration, and authentication systems.
Build high-performance async APIs with FastAPI, SQLAlchemy 2.0, and Pydantic V2. Master microservices, WebSockets, and modern Python async patterns.
Manage MongoDB Atlas Organizations as Azure ARM resources with unified billing through Azure Marketplace.
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