Mutant
Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?
Install with one command
$ npx skills add mbj/mutantDecision summary
Production-ready for Coding agents
Use this as a leading candidate, then validate the README and install path in your own agent stack.
Best for
- Coding agents workflows
- Claude Code teams
- teams that value GitHub adoption signals
Not ideal for
- teams that need a vendor-supported SLA
- high-compliance environments without internal security review
Risk notes
- No major risk signals from current metadata
Quality profile
Excellent candidate for agent workflows
High-confidence pick with strong adoption and healthy maintenance signals.
Workflow fit
Use this skill in these scenarios
Build and ship code
Coding agents
I need a coding agent that can understand a repository, edit code, and review pull requests.
Manage repositories
GitHub automation
I need my agent to triage GitHub issues, review pull requests, and summarize repository changes.
Operate web apps
Browser automation
I need my agent to control a browser, fill forms, and verify web app workflows.
Stack fit
Add it to a complete workflow
Inspect, patch, and verify code
Coding review agent
A stack for software agents that inspect repositories, review pull requests, generate tests, and turn findings into shippable patches.
Operate and verify web apps
Browser QA agent
A stack for agents that navigate products, fill forms, take screenshots, and verify real user flows across web applications.
Turn skills into distribution
Content growth agent
A stack for turning newly indexed skills into SEO briefs, social drafts, comparison pages, and reusable publishing workflows.
Overview
Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?
Imported by the skill-only GitHub discovery pipeline because it matches agent skill, automation, RAG, or developer-tool signals. Protocol-server projects are excluded from automated imports.
Platform Compatibility
Technical Details
- Version
- 1.0.0
- License
- Unknown
- Last Updated
- 6/7/2026
- Published
- 6/5/2026
Frameworks & Tools
Claim this skill
Project owners can request ownership review. Approved claims unlock a stronger trust signal.
Author
mbj✓
@mbj
Tags
Platform Fit
Health Signals
- GitHub stars
- 2.2K
- Quality score
- 65/100
- Last GitHub push
- Jun 3, 2026
- Framework hints
- 2
- OpenAgentSkill views
- 3
- Install copies
- 0
- Outbound clicks
- 0
Community Signal
Share whether this skill looks useful for your agent workflow. Aggregated feedback improves rankings over time.
Trust & Safety
- —Open source (public GitHub repo)
- —AI static analysis passed
- —License: Unknown
- —Manually verified by team
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