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safeguard

Generate characterization tests, boundary markers, config freezes, and Git rollback points before code refactoring.

82|23|Updated Feb 24, 2026
Search Tags:#code quality#testing#refactoring#rollback#safety#guardrails
One-click install
npx skills add https://github.com/Rune-kit/rune --skill safeguard
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: safeguard
Source: https://github.com/Rune-kit/rune/tree/main/skills/safeguard
Command: npx skills add https://github.com/Rune-kit/rune --skill safeguard

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill creates essential safety measures before any code refactoring begins, preventing accidental data loss or breaking existing functionality.

Core Features & Use Cases

  • Characterization Tests: Automatically generates tests that capture the current behavior of a module, ensuring you know exactly what to expect before changes are made.
  • Boundary Markers: Adds comments to code to clearly delineate legacy code from new implementations and flag tightly coupled modules.
  • Config Freezing: Preserves the exact state of configuration files (like tsconfig.json, .eslintrc, package-lock.json) at the time of the safeguard.
  • Rollback Points: Creates a Git tag, providing a simple way to revert to the pre-refactoring state if needed.
  • Use Case: Before refactoring a critical user authentication module, safeguard runs to create tests for all its functions, marks its boundaries, freezes the current project configuration, and creates a Git tag, ensuring you can safely proceed with the refactoring.

Quick Start

Run the safeguard skill on the 'user-auth' module to create a safety net before refactoring.

Frequently Asked Questions about safeguard

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create safety nets before refactoring code?▼

Characterization tests capture and verify the exact current behavior of a module before any modifications, ensuring that existing functionality remains intact and predictable throughout the refactoring process.

How do I freeze configuration files before modifying a project?▼

You can freeze configuration files like tsconfig.json, .eslintrc, and package-lock.json by preserving their exact state at the time of the safeguard, preventing unintended configuration drift during code refactoring.

What is the best way to revert code changes during a refactoring rollback?▼

The best way to revert code changes during a refactoring rollback is by creating a Git tag beforehand, which establishes a clean rollback point to instantly restore the project to its pre-refactoring state.

Do I need to add boundary markers when updating tightly coupled modules?▼

Adding boundary markers when updating tightly coupled modules is recommended to clearly delineate legacy code from new implementations, visually flagging dependencies and reducing the risk of accidental breakage.

Can I safeguard a critical user authentication module before refactoring?▼

Yes, you can safeguard a critical user authentication module by running the skill to automatically generate tests for all its functions, mark boundaries, freeze configurations, and create a Git tag.

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