Harness-engineering harness-mutation-test

name: harness-mutation-test version: "1.0.0" description: Test quality validation through mutation testing with Stryker and mutation scoring stability: static cognitive_mode: adversarial-reviewer triggers:

• manual
• on_milestone platforms:
• claude-code
• gemini-cli
• cursor
• codex tools:
• Bash
• Read
• Write
• Edit
• Glob
• Grep
• emit_interaction cli: command: harness skill run harness-mutation-test args:
  • name: path description: Project root path required: false
  • name: target description: "Target file or directory for mutation testing. Runs project-wide when omitted." required: false
  • name: threshold description: "Minimum mutation score (0-100). Defaults to 80." required: false mcp: tool: run_skill input: skill: harness-mutation-test path: string type: rigid tier: 3 internal: false keywords:
• mutation testing
• Stryker
• mutant
• mutation score
• test quality
• test effectiveness
• survived mutant
• killed mutant
• test strength stack_signals:
• "stryker.conf.*"
• ".stryker-tmp/"
• "mutation-report/"
• "stryker.config.*" phases:
• name: configure description: Set up mutation testing framework, identify target modules, and define mutant operators required: true
• name: generate description: Generate mutants by applying code transformations to production source required: true
• name: execute description: Run test suite against each mutant and classify as killed or survived required: true
• name: analyze description: Calculate mutation score, identify weak tests, and recommend improvements required: true state: persistent: false files: [] depends_on: []