mutation-test-runner

Mutation Test Runner - Auto-activating skill for Test Automation. Triggers on: mutation test runner, mutation test runner Part of the Test Automation skill category.

1.02x

Quality

Does it follow best practices?

Impact

100%

1.02x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./planned-skills/generated/09-test-automation/mutation-test-runner/SKILL.md

Evaluation results

100%

JavaScript Library Quality Assessment

Jest mutation testing setup with Stryker

Criteria

Without context

With context

Uses Stryker core package

100%

Uses Jest runner plugin

100%

Stryker config file present

100%

Config specifies testRunner

100%

Config targets src files

100%

Mutation report produced

100%

Report includes mutation score

100%

Report lists surviving mutants

100%

node_modules removed

100%

package.json updated

100%

Step-by-step process

50%

100%

Python Service Test Coverage Audit

Python pytest mutation testing with mutmut

Criteria

Without context

With context

Uses mutmut or pytest-mutagen

100%

Runs against pytest

100%

Targets source module

100%

Mutation report produced

100%

Report includes mutation score

100%

Surviving mutants listed

100%

Tool version recorded

100%

No large cache files left

100%

Structured report sections

100%

Actionable recommendations

100%

Test Suite Hardening Based on Mutation Analysis

Mutation test results analysis and test improvement

Criteria

Without context

With context

analysis.md produced

100%

Summary table present

100%

All surviving mutants addressed

100%

Survival explanation provided

100%

Updated test file produced

100%

Boundary test for isReachable

100%

Tie-break test for selectFastestRoute

100%

estimateFuelCost variation test

100%

methodology.md produced

100%

Projected score improvement

100%

Step-by-step methodology

100%

Repository: jeremylongshore/claude-code-plugins-plus-skills
Commit: 3e83543

Evaluated: 27 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

JavaScript Library Quality Assessment Python Service Test Coverage Audit Test Suite Hardening Based on Mutation Analysis

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