Creating Springboot Projects
Creates Java 25 and Spring Boot 4 project structures, scaffolds, and implementation starting points for new services, REST APIs, and modular backends. Use when the task is to initialize a Spring Boot project, choose an architecture, select Spring Boot 4 features, or apply the bundled templates and references in this skill. Do not use for migrating existing projects or for isolated JPA/repository…
Code Reviewer
Reviews Java 25 and Spring Boot 4 codebases, pull requests, files, and modules for migration risks, architecture boundary violations, JSpecify null-safety issues, security flaws, performance regressions, and Spring Data pitfalls. Use when the task is a concrete Java or Spring code review with code context. Do not use for Kotlin-only code, non-Spring frameworks, or generic review advice without fi…
Spring Data Jpa
Designs and implements Spring Data JPA repositories, projections, query patterns, custom repositories, CQRS read models, entity relationships, and persistence performance fixes for Java 25 and Spring Boot 4 projects. Use when the task needs repository-boundary decisions or concrete JPA implementation patterns from this skill. Do not use for generic SQL help or project-wide migration work that bel…
Springboot Migration
Migrates Spring Boot applications to Boot 4 with Java 25, including related Spring Modulith 2 and Testcontainers 2 upgrade work. Use when the task is a concrete upgrade, dependency transition, starter rename, test-annotation migration, or phased migration plan. Do not use for greenfield project creation or for isolated repository design questions.