adityamparikh

adityamparikh / spring-boot-4-migration-skill

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Claude Code skill for migrating Spring Boot 3.x to 4.x and staying current across 4.x minor versions

26
1
100% credibility
Found Feb 02, 2026 at 13 stars 2x -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Shell
AI Summary

A knowledge skill for an AI coding assistant that provides step-by-step guidance, strategies, and verification for updating Spring Boot 3.x projects to 4.x.

How It Works

1
🆕 Discover the need to update

You have a web app project using an older version of a popular building tool and learn there's a shiny new version that makes it faster and better.

2
🔍 Find the helpful guide

You come across this special knowledge pack that teaches your AI coding assistant everything about safely moving to the new version.

3
➕ Add the guide to your AI

You easily slip the guide into your AI assistant's toolbox so it's ready to help with updates.

4
💬 Tell your AI to migrate

You open your project and simply say 'Update my app to the new version,' and your AI jumps in with expert step-by-step advice.

5
Pick your update path
⚡
All at once

Tackle the full update in one focused go, perfect for smaller projects.

🐌
Step by step

Start with easy bridges to keep things running while updating pieces over time.

6
📝 Follow the guidance

Your AI walks you through changes like updating parts lists, fixing connections, and testing everything feels smooth.

7
🔍 Check your work

Run a simple checker that tells you what's perfect, what needs a tweak, or if bridges are still helping.

🎉 App updated successfully

Your web app is now on the latest version, faster, more secure, and ready for the future!

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AI-Generated Review

What is spring-boot-4-migration-skill?

This is a Claude Code skill that automates migrating Spring Boot 3.x applications to 4.0, handling breaking changes across modular starters, Jackson 3, Security 7, Framework 7, Hibernate 7.1, and more like testing and observability. Install it with a single CLI command, then trigger it in Claude Code by saying "Migrate to Spring Boot 4"—it checks your toolchain, offers all-at-once or gradual strategies with compatibility bridges, and includes a shell verification script to validate the results. It keeps you current on 4.x minor versions too.

Why is it gaining traction?

Unlike manual migration guides or basic OpenRewrite recipes, it provides AI-guided, step-by-step workflows tailored to your project, with bridge-aware checks that track progress on independent migration tracks. Developers notice the time savings on property renames, package shifts, and Security DSL updates, plus enterprise-friendly phased rollouts. The verification script gives instant PASS/FAIL feedback on Boot 4 readiness.

Who should use this?

Spring Boot backend teams upgrading large 3.x monoliths or microservices to 4.0, especially those using Jackson, Hibernate, or Security heavily. It's ideal for devs handling Kotlin/Java mixes, native images, or Testcontainers setups, and orgs planning wave-based rollouts across dozens of services.

Verdict

Grab it if you're on 3.x and need to hit 4.0—docs are thorough and it covers the pain points well, but with just 21 stars and 1.0% credibility, treat it as an accelerator, not a silver bullet; verify outputs manually on production paths. Solid for early adopters.

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