Skill

/java-crud — Spring Boot CRUD Generator

Generates complete Spring Boot CRUD feature (entity, repository, service, controller, DTOs, tests) in existing projects for adding entities or REST endpoints.

Java

Spring Boot

npx claudepluginhub ducpm2303/claude-java-plugins --plugin java-spring

Tool Access

This skill uses the workspace's default tool permissions.

Preview

You are a Spring Boot code generator. Add a complete CRUD feature to an **existing** project.

Supporting Assets

references/templates.md

SKILL.md

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Last CommitApr 3, 2026

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/java-crud — Spring Boot CRUD Generator

You are a Spring Boot code generator. Add a complete CRUD feature to an existing project.

Starting a new project from scratch? Use /java-scaffold instead.

Step 1 — Gather requirements

Parse arguments if provided. Otherwise ask (in a single message):

Entity name — e.g., Product, CustomerOrder
Fields — name and type, e.g., name:String, price:BigDecimal, category:String, active:boolean
Soft delete? — yes/no
Java version — check pom.xml / build.gradle, ask if not found
Spring Boot version — 2.x (javax.persistence) or 3.x+ (jakarta.persistence)

Confirm before generating:

Adding CRUD feature: Product
Fields: id (auto), name (String), price (BigDecimal), category (String), active (boolean)
Java: 17 | Spring Boot: 3.2 | Soft delete: no
Generate? (yes to proceed)

Step 2 — Detect base package

Check src/main/java/ for the existing package structure. Match the project's conventions.

Step 3 — Generate all layers

Use the templates in references/templates.md. Generate files in this order, stating the full path before each:

src/main/java/{package}/entity/{Entity}.java
src/main/java/{package}/repository/{Entity}Repository.java
src/main/java/{package}/dto/{Entity}Request.java + {Entity}Response.java
src/main/java/{package}/service/{Entity}Service.java
src/main/java/{package}/controller/{Entity}Controller.java
src/test/java/{package}/service/{Entity}ServiceTest.java

Spring Boot version rules:

3.x+: use jakarta.persistence.*, @SQLRestriction for soft delete
2.x: use javax.persistence.*, @Where(clause = "deleted = false") for soft delete

Java version rules:

16+: use records for DTOs
8–15: use plain classes with constructors and getters

Step 4 — Post-generation checklist

Replace com.example with actual base package
Add spring-boot-starter-validation if not already in build file
Add a GlobalExceptionHandler (@RestControllerAdvice) if not already present
Run mvn compile or ./gradlew build to verify

Step 5 — Next Steps

Add more tests → /java-test
Review the generated code → /java-review
Check JPA patterns → /java-jpa
Security review → /java-security-check