legacy-modernizer

Name: legacy-modernizer
Author: Jeffallan

Designs incremental migration strategies, identifies service boundaries, produces dependency maps and migration roadmaps, and generates API facade designs for aging codebases. Use when modernizing legacy systems, implementing strangler fig pattern or branch by abstraction, decomposing monoliths, upgrading frameworks or languages, or reducing technical debt without disrupting business operations.

legacy modernizer api

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---
name: legacy-modernizer
description: Designs incremental migration strategies, identifies service boundaries, produces dependency maps and migration roadmaps, and generates API facade designs for aging codebases. Use when modernizing legacy systems, implementing strangler fig pattern or branch by abstraction, decomposing monoliths, upgrading frameworks or languages, or reducing technical debt without disrupting business operations.
license: MIT
metadata:
  author: https://github.com/Jeffalla

How to Use

Recommended: Install to project (local)

mkdir -p .claude/skills
curl -o .claude/skills/legacy-modernizer.md \
  https://raw.githubusercontent.com/Jeffallan/claude-skills/main/skills/legacy-modernizer/SKILL.md

Skill is scoped to this project only. Add .claude/skills/ to your .gitignoreif you don't want to commit it.

Alternative: Clone full repo

git clone https://github.com/Jeffallan/claude-skills

Then reference at skills/legacy-modernizer/SKILL.md