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quarkusio (@quarkusio) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Migrate Simple Without Mtool by quarkusio

Name: Migrate Simple Without Mtool
Author: quarkusio

Migrate Simple Without Mtool

Migrates a Spring Boot application to Quarkus. Analyze the code source. Use when the user wants to migrate, convert, or port a Spring Boot app to Quarkus, mentions "spring to quarkus", "quarkus migration", "replace spring", or asks about migrating "pom.xml", "build.gradle", "Spring MVC", "Spring Data JPA", "@SpringBootApplication".

quarkusio 6dd0b5e 2 files · 14.7 KB Updated Sep 17, 2026

File contents

Spring Boot to Quarkus — Code Migration (without mtool)

Simulate to migrate Spring Boot Java source code to Quarkus.

Critical Rules

Non-interactive. Do NOT ask the user any questions. Do NOT ask for strategy choices. Just run the steps below and report the results.
Scope: code migration only. Do NOT migrate tests, frontend templates, static assets, or build plugins. Only migrate Java source files under src/main/java/ and the build file (pom.xml or build.gradle). Leave everything else untouched.
Never delete code you cannot migrate. Leave the original in place with a // TODO: Migration required — <reason> comment.
Don't compile the code using maven or gradle.

Step 1: Analyze the Project

1. Discover only the Java source files

Find all Java source files in the "src/main/java" project:

find src -name "src/main/java/*.java" -type f

For each Java file, note:

The class name and package
Which Spring annotations it uses (@Component, @Service, @RestController, @Autowired, @Entity, @SpringBootApplication, etc.)
Which Spring imports it has (org.springframework.*)

2. Identify what to migrate

For each unique annotation discovered:

Look it up in references/annotation-map.md — find the matching row in the Spring column
Check the Compat column to find the Quarkus Spring compatibility annotation replacing it
Note the file path(s) from the report — these are the files where the change must be applied

Annotations that appear in annotation-map.md with "Same" or "Not needed" in the Quarkus column require no code change. Focus on annotations where the Quarkus equivalent differs (e.g. @Autowired → @Inject, @Controller → @Path, @Service → @ApplicationScoped).

Also check:

Whether there is a @SpringBootApplication main class to remove
Whether any annotation is marked NOT supported in the compat column — these require manual migration

Step 2: Report

Present a brief summary of what was found and what needs to change.

Step 3. Stop

Stop the migration process as we are simulating and wanted to get the token usage

---name: migrate-simple-without-mtooldescription: Migrates a Spring Boot application to Quarkus. Analyze the code source. Use when the user wants to migrate, convert, or port a Spring Boot app to Quarkus, mentions "spring to quarkus", "quarkus migration", "replace spring", or asks about migrating "pom.xml", "build.gradle", "Spring MVC", "Spring Data JPA", "@SpringBootApplication".---# Spring Boot to Quarkus — Code Migration (without mtool)Simulate to migrate Spring Boot Java source code to Quarkus.## Critical Rules- **Non-interactive.** Do NOT ask the user any questions. Do NOT ask for strategy choices. Just run the steps below and report the results.- **Scope: code migration only.** Do NOT migrate tests, frontend templates, static assets, or build plugins. Only migrate Java source files under `src/main/java/` and the build file (`pom.xml` or `build.gradle`). Leave everything else untouched.- **Never delete code you cannot migrate.** Leave the original in place with a `// TODO: Migration required — <reason>` comment.- **Don't compile the code** using maven or gradle.## Step 1: Analyze the Project### 1. Discover only the Java source filesFind all Java source files in the "src/main/java" project:```bashfind src -name "src/main/java/*.java" -type f```For each Java file, note:- The class name and package- Which Spring annotations it uses (`@Component`, `@Service`, `@RestController`, `@Autowired`, `@Entity`, `@SpringBootApplication`, etc.)- Which Spring imports it has (`org.springframework.*`)### 2. Identify what to migrateFor each unique annotation discovered:1. Look it up in `references/annotation-map.md` — find the matching row in the **Spring** column2. Check the **Compat** column to find the Quarkus Spring compatibility annotation replacing it3. Note the file path(s) from the report — these are the files where the change must be appliedAnnotations that appear in annotation-map.md with "Same" or "Not needed" in the Quarkus column require no code change. Focus on annotations where the Quarkus equivalent differs (e.g. `@Autowired` → `@Inject`, `@Controller` → `@Path`, `@Service` → `@ApplicationScoped`).Also check:- Whether there is a `@SpringBootApplication` main class to remove- Whether any annotation is marked **NOT supported** in the compat column — these require manual migration## Step 2: Report- Present a brief summary of what was found and what needs to change.## Step 3. StopStop the migration process as we are simulating and wanted to get the token usage

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