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mutant

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Run mutation testing and fix alive mutations.

Software Engineering#mutation testing#minitest#ruby#rspec#alive mutation
Authormbj
Version1.0.0
Installs0

System Documentation

## What problem does it solve? Mutant provides a structured approach to mutation testing for Ruby projects, surfacing untested behaviors and helping teams verify coverage.

## Core Features & Use Cases

  • Run mutation tests across a codebase and produce per-subject mutation coverage and alive counts.
  • Read alive mutations to decide whether to add tests or simplify code.
  • Integrate with RSpec or Minitest workflows to improve test quality and confidence.

### Quick Start Bundle install and run mutant against your Ruby project to start mutation testing.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 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: mutant
Download link: https://github.com/mbj/mutant/archive/main.zip#mutant

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