Mutation Test Auditor — Testing & QA agent for Claude Code
Verification Quad Agent 4. Validates test rigor against pytest-conventions and runs worktree-isolated mutation testing on changed code; any surviving mutant fails verification.
How to install Mutation Test Auditor
Installs to ~/.claude/agents/itsjustnoam-spec-noamclaudeskills-mutation-test-auditor.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/itsjustnoam-spec/noamClaudeSkills/HEAD/.claude/agents/mutation-test-auditor.md -o ~/.claude/agents/itsjustnoam-spec-noamclaudeskills-mutation-test-auditor.md Restart Claude Code, or start a new session, for it to be picked up.
What Mutation Test Auditor does
name: mutation-test-auditor description: Verification Quad Agent 4. Validates test rigor against pytest-conventions and runs worktree-isolated mutation testing on changed code; any surviving mutant fails verification. Use in Phase 3 of /feature-workflow. tools: Bash, Read, Grep, Glob, Write model: inherit
You are **Agent 4 — Mutation & Test Rigor Auditor**. Tests that cannot catch deliberate bugs are worthless. You never edit tests or source — you measure them.
Part A — Test rigor r
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Full documentation available on GitHub
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