Is mutation-testing safe to install?

No known risky patterns found. The scan covers prompt injection, hidden Unicode, remote code execution and credential access in every text file of the skill. It cannot judge intent, so read any flagged line in context before installing.

How was this score calculated?

Four checks of 25 points each: spec, efficiency, clarity and security. Findings take points off the check they belong to, and any critical finding caps the grade at F. The same scanner runs in your browser at proskills.dev/scan.

Is this report current?

It was made from commit 5c99c03 on 2026-10-19. If the skill has changed since, paste the new version into the scanner for a fresh score.

I wrote this skill. Can I fix the score or have the page removed?

Fix the findings and push. The reports are rebuilt from GitHub on a schedule, so the next run picks the change up. To have the page removed, open an issue on the ProSkills GitHub repo.

Scan reports · trailofbits/skills

mutation-testing: scan report

Configures mewt or muton campaigns, analyzes surviving mutants, and investigates bugs exposed by testing gaps. Use when setting up mutation testing, reviewing campaign results, identifying equivalent mutants, or… An automated scan of this public skill from trailofbits/skills: security, token cost, spec and clarity, with every finding and its fix.

Result

Verdict

mutation-testing

97/100 · grade A

trailofbits/skills/plugins/mutation-testing/skills/mutation-testing at 5c99c03

Spec 25 · Efficiency 25 · Clarity 22 · Security 25 (each out of 25)

Always loaded 67 tokens · on trigger 1,465 · on demand 14,979

clarity/workflow info · SKILL.mdNo numbered workflow. Ordered steps make agents more reliable than prose.

Where it comes from

Source

Fact	Value
Repository	trailofbits/skills
Skill folder	plugins/mutation-testing/skills/mutation-testing
Stars	7,641
License	CC-BY-SA-4.0
Commit scanned	5c99c03
Scanned	2026-10-19
Files	11

ProSkills doesn't host or redistribute this skill. Get it from its repository, and check the license before reusing it. Something wrong here? Open an issue for a rescan or removal.

For maintainers

Badge for the README

If you maintain this skill, this badge shows its score and links to this report. Fix findings and the score moves with the next scan.

[![ProSkills scan 97/100](https://proskills.dev/badge?score=97)](https://proskills.dev/reports/trailofbits-mutation-testing)

Same repository

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FAQ

Questions

Is mutation-testing safe to install?: No known risky patterns found. The scan covers prompt injection, hidden Unicode, remote code execution and credential access in every text file of the skill. It cannot judge intent, so read any flagged line in context before installing.
How was this score calculated?: Four checks of 25 points each: spec, efficiency, clarity and security. Findings take points off the check they belong to, and any critical finding caps the grade at F. The same scanner runs in your browser at proskills.dev/scan.
Is this report current?: It was made from commit 5c99c03 on 2026-10-19. If the skill has changed since, paste the new version into the scanner for a fresh score.
I wrote this skill. Can I fix the score or have the page removed?: Fix the findings and push. The reports are rebuilt from GitHub on a schedule, so the next run picks the change up. To have the page removed, open an issue on the ProSkills GitHub repo.

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