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safe-brownfield-refactor

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Refactor legacy code safely.

Software Engineering#testing#refactoring#risk management#legacy code#brownfield#strangler fig
Authormcj-coder
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill provides strategies and guardrails for safely refactoring legacy codebases, especially those lacking comprehensive test coverage, to prevent destabilizing production systems.

Core Features & Use Cases

  • Incremental Modernization: Apply changes piece by piece using patterns like the Strangler Fig.
  • Risk Mitigation: Assess and manage risks associated with modifying critical or poorly understood code.
  • Characterization Testing: Write tests that capture current behavior before making any changes.
  • Use Case: You need to update a critical, decade-old service with no tests. This Skill guides you through creating characterization tests, identifying seams, and making small, reversible changes to minimize risk.

Quick Start

Apply the safe-brownfield-refactor skill to begin modernizing the legacy authentication module.

Dependency Matrix

Required Modules

None required

Components

references

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: safe-brownfield-refactor
Download link: https://github.com/mcj-coder/development-skills/archive/main.zip#safe-brownfield-refactor

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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