bigeasyfreeman/mutant-materiality-judge
skills/mutant-materiality-judge/SKILL.md
Classify surviving mutants as trivial or material after deterministic mutation measurement.
tools
Updated Apr 22, 2026
$ install --global
skillsauthnpx skillsauth add bigeasyfreeman/adlc mutant-materiality-judgeInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
3 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
3
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
VirusTotalMulti-engine malware detection
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Apr 22, 2026, 1:23 PM126.9s1 file scanned
SKILL.md
- name:
- mutant-materiality-judge
- description:
- Classify surviving mutants as trivial or material after deterministic mutation measurement.
- contract_version:
- 1.0.0
- side_effect_profile:
- read_only
- mode:
- judgement
- consumes_manifest:
- true
- model_class:
- deep_judge
- max_tokens_per_call:
- 1400
- expected_calls_per_run:
- 3
Mutant Materiality Judge
Run this only when mutation tooling reports surviving mutants.
Inputs
- surviving-mutant diffs batched by file or behavior
- target acceptance criteria
- changed-file context
- measured coverage and kill-rate summary
Output
{
"batch": [
{
"mutant_id": "M-12",
"classification": "material",
"rationale": "The mutant changes duplicate-invoice behavior without any test failing."
}
]
}
Rules
materialmeans the mutant could hide a real regression or missing assertion.trivialmeans the survivor is noise: equivalent behavior, logging-only drift, or unreachable semantics that the verifier contract intentionally ignores.- Any material survivor forces the overall test-strength verdict to
weak, regardless of aggregate kill rate. - Judge batches, not the entire run at once, to stay within the cost guard.
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