OpenAgentSkill Registry Manifest
Skill: Mutant
Slug: mbj-mutant
Category: development
Description: Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?

Agent fit:
- Decision: 100/100 Production-ready
- Primary fit: Coding agents
- Role: Primary pick

Supply profile:
- Track: Coding and developer agents
- Scenario: Coding agents
- Applicable agents: Claude Code, CLI, Codex, Cursor, Ruby
- Maintenance: 2mo since push
- Risk: Safe to try

Trust:
- Trust score: 86/100 Production candidate
- Audit: 89/100 Safe to try

Attribution:
- Status: Community indexed
- Source: GitHub star discovery
- Creator: mbj
- Claim URL: https://www.openagentskill.com/skills/mbj-mutant#claim-this-skill

Install:
npx skills add mbj/mutant

URLs:
- Web: https://www.openagentskill.com/skills/mbj-mutant
- API: https://www.openagentskill.com/api/agent/skills/mbj-mutant
- Install API: https://www.openagentskill.com/api/skills/mbj-mutant/install
- Repository: https://github.com/mbj/mutant