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Directory / Awesome Copilot plugins (GitHub) / modernize-java

modernize-java

plugin Software development

GitHub Copilot modernization – Java Upgrade CLI Plugin helps you upgrade Java applications from the command line. It brings intelligent modernization capabilities to your terminal and CI/CD pipelines: analyze your project and generate an upgrade plan, automatically transform your codebase, fix build issues, validate against known CVEs, and output a detailed summary of file changes and updated dependencies.
Description from the marketplace entry / plugin manifest.

Information source

Copied from the Awesome Copilot plugins (GitHub) catalog (github/awesome-copilot), maintained by GitHub + community contributors.

Links are pinned to commit b1a0045 (2026-10-26), the version we synced. Not reviewed by us.

Install

In Copilot CLI (the marketplace is registered by default)
copilot plugin install modernize-java@awesome-copilot
If the marketplace is unknown, register it once
copilot plugin marketplace add github/awesome-copilot

Commands follow each host's documentation (GitHub Copilot CLI docs). gh skill needs GitHub CLI 2.90 or later and is in public preview.

Listed from GitHub + community contributors's catalog, not reviewed by us. Read the source before installing.

Catalog
Awesome Copilot plugins (GitHub) (awesome-copilot)
Information source
marketplace.json in github/awesome-copilot
Author
microsoft
Source code
microsoft/modernize-java
Homepage
github.com/microsoft/modernize-java
License
MIT
Repository stars
4 for microsoft/modernize-java
Version
1.24.0
Added to catalog
Not tracked for this source
Last change
2026-09-20 (last push to the repo)

What it contains

Hosted in an external repository, so contents are not counted here. See the source link.

Keywords: java, modernization, upgrade, spring-boot

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