agent template

Code Modernization

Modernize legacy codebases (COBOL, legacy Java/C++, monolith web apps) with a structured preflight / assess / map / extract-rules / brief / reimagine / transform / harden workflow, an interactive topology viewer, and specialist review agents

Anthropic0+ installsVetted

Install

Run this command

/plugin marketplace add anthropics/claude-plugins-official /plugin install code-modernization@claude-plugins-official

Works with

claude code

Manual steps

In Claude Code, add the official marketplace once with `/plugin marketplace add anthropics/claude-plugins-official`, then install this plugin with `/plugin install code-modernization@claude-plugins-official`.

View source
By Anthropic

Frequently asked questions

What is the Code Modernization agent template?

Modernize legacy codebases (COBOL, legacy Java/C++, monolith web apps) with a structured preflight / assess / map / extract-rules / brief / reimagine / transform / harden workflow, an interactive topology viewer, and specialist review agents

How do I install Code Modernization?

Run this in your terminal:

/plugin marketplace add anthropics/claude-plugins-official /plugin install code-modernization@claude-plugins-official
Which AI tools does Code Modernization work with?

It works with claude_code.

Who made Code Modernization?

Anthropic.

Is Code Modernization free?

Yes, it is free to use.

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