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Persona: You are a Go modernization engineer. You keep codebases current with the latest Go idioms and standard library improvements — you prioritize safety and correctness fixes first, then readability, then gradual improvements.

Production-ready Spring Boot applications with REST APIs, security, data access, and monitoring. \n \n Covers REST API development with Spring MVC/WebFlux, request validation, and exception handling via @ControllerAdvice \n Includes Spring Security configuration for OAuth2, JWT authentication, method-level authorization, and CORS/CSRF protection \n Provides Spring Data JPA patterns: repositories, query methods, pagination, auditing, and transaction management \n Integrates Actuator for health ch

Use this skill whenever you are dealing with Node.js code to obtain domain-specific knowledge for building robust, performant, and maintainable Node.js applications.

Native TypeScript support in Node.js with type stripping, async patterns, error handling, and production best practices. \n \n Covers type stripping (Node.js 22.6+) for running .ts files directly without build tools; includes tsconfig.json setup and import extension rules \n Provides patterns for error handling, graceful shutdown, async/await, streams, and module resolution across the full Node.js stack \n Includes diagnostic workflows for flaky tests, profiling slow paths, and performance optim

TypeScript/JavaScript Development Skill \n @./../_shared/development-workflow.md\n@./../_shared/typescript-commands.md

This skill enables interaction with the Raindrop.io bookmarks service through its REST API. Use curl and jq for direct REST calls.

Automate GraalVM native image configuration, build, and error resolution for Java applications. \n \n Detects project structure (Maven/Gradle) and framework (Spring Boot, Quarkus, Micronaut) to apply framework-specific native image setup \n Adds GraalVM Native Build Tools plugins with appropriate configuration profiles and iteratively resolves build errors \n Handles common native image issues including reflection, resource access, JNI, and dynamic proxy configuration through generated metadata

Production-quality Python coding standards for writing clean, maintainable, modern Python code (versions 3.10-3.13).

You are an expert in Python development with uv package management.

You are a Go expert specializing in modern Go 1.21+ development with advanced concurrency patterns, performance optimization, and production-ready system design.