Repository
mbj/mutant agent skills
- skill
- 1
- GitHub stars
- 2.2k
GitHub description: “Mutation testing for Ruby. AI writes your code. AI writes your tests. But who tests the tests?”
- Stars
- 2,207 (161 forks)
- Licence
- Unknown
- Last push
- Oct 2026
- Created
- Jul 2012
- Source
- github.com/mbj/mutant
- mutation-testing
- ruby
- coverage
- rspec
- minitest
- code-review
- code-quality-analyzer
- mutant
- static-analysis
- dynamic-analysis
Install all skills
npx skills add mbj/mutantAdd --skill <name> for a single skill and -a <agent> to choose the agent (see the agent guides).
Skills in mbj/mutant, ranked
| # | Skill | Repository | Stars | Used in | Tokens | Auto-check | Licence | Updated |
|---|---|---|---|---|---|---|---|---|
| 1 | 1.Mutant Run mutant, read mutation reports, fix alive mutations, and verify coverage. | mbj/ | 2.2k | — | ~2k | Automated safety check: Pass | Proprietary | 5 days ago |
Questions, answered from the data.
What is the best skill in mbj/mutant?
Mutant from mbj/mutant ranks first of the 1 skills in mbj/mutant listed here, with the highest score: its repository has 2.2k GitHub stars, its SKILL.md loads about 2k tokens and it passes the automated safety check with no findings.
Are the skills in mbj/mutant official?
None yet. All 1 skills in mbj/mutant listed here come from community repositories; a skill counts as official when the product's own GitHub organization publishes it.
How do I install all skills from mbj/mutant?
Run npx skills add mbj/mutant in your project: the open-source skills CLI installs the repository's skills into your coding agent's skills folder. To install a single skill, open its page here for the exact command.
How are these skills ranked?
By Skill Navigator score, which combines the GitHub stars of the skill's repository (shared across that repo's skills and discounted for large collections), how many other GitHub owners carry a copy of the skill, and automated SKILL.md quality checks, minus penalties for safety-check warnings and for each further skill from the same repository. Skills that fail the safety check are not listed.