Agent Skills

Mutant (mutation testing)

mutant

Run Mutant mutation testing, analyze alive mutations, and produce clear fix actions (add tests or simplify code).

Python Quality & Testing

aiekit

Improve Python/ML code quality with type annotations, contract docstrings, exception audits, Hypothesis property-based tests, and mutmut mutation testing.

Mutation Testing (mewt/muton)

skills

Configure and optimize mewt/muton mutation-testing campaigns: scope targets, tune timeouts, and prepare long-running runs for reliable results.

Python Testing Practices

domain-driven-design-skills

Comprehensive guide for modern Python testing, including property-based testing with Hypothesis and fuzzing with Atheris.

Mutation Testing Expert

claude-skills

Validate test effectiveness by introducing deliberate code mutations using Stryker (JS/TS) and mutmut (Python) to find weak tests.