A

Is skill-creator safe?

anthropics/skills · scanned Oct 4, 2026

What it says it does

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

A
Score 96/100

No significant risks found by the automated scan.

Low · 3
Source
Repository
anthropics/skills/skills/skill-creator
Commit
8a1541c4a3ff
Scanned
Oct 4, 2026
Files checked
18
Stars
180k
License
None declared
Last push
Oct 3, 2026
What it can reach
External domains mentioned anywhere in the skill's files.
cdn.sheetjs.comfonts.googleapis.comfonts.gstatic.comwww.apache.org
Findings (3)
Pattern matches are leads, not proof. A finding in documentation is often harmless; one in a script deserves a closer look.
LowRuns shell commandsCode execution

Many legitimate skills run commands. Check that the commands match what the skill says it does.

skills/skill-creator/eval-viewer/generate_review.py:291

result = subprocess.run(
LowRuns shell commandsCode execution

Many legitimate skills run commands. Check that the commands match what the skill says it does.

skills/skill-creator/scripts/improve_description.py:35

result = subprocess.run(
LowRuns shell commandsCode execution

Many legitimate skills run commands. Check that the commands match what the skill says it does.

skills/skill-creator/scripts/run_eval.py:85

process = subprocess.Popen(
Files scanned (18)
  • skills/skill-creator/agents/analyzer.md (10.1 KB)
  • skills/skill-creator/agents/comparator.md (7.1 KB)
  • skills/skill-creator/agents/grader.md (8.8 KB)
  • skills/skill-creator/assets/eval_review.html (6.9 KB)
  • skills/skill-creator/eval-viewer/generate_review.py (16.0 KB)
  • skills/skill-creator/eval-viewer/viewer.html (43.9 KB)
  • skills/skill-creator/LICENSE.txt (11.1 KB)
  • skills/skill-creator/references/schemas.md (11.8 KB)
  • skills/skill-creator/scripts/__init__.py (0 B)
  • skills/skill-creator/scripts/aggregate_benchmark.py (14.0 KB)
  • skills/skill-creator/scripts/generate_report.py (12.5 KB)
  • skills/skill-creator/scripts/improve_description.py (10.9 KB)
  • skills/skill-creator/scripts/package_skill.py (4.1 KB)
  • skills/skill-creator/scripts/quick_validate.py (3.9 KB)
  • skills/skill-creator/scripts/run_eval.py (11.2 KB)
  • skills/skill-creator/scripts/run_loop.py (13.3 KB)
  • skills/skill-creator/scripts/utils.py (1.6 KB)
  • skills/skill-creator/SKILL.md (32.4 KB)
Add the badge to your README
Shows the current grade and links back to this report. It updates when the skill is rescanned.
SkillsVetted grade A
[![SkillsVetted grade](https://skillsvetted.com/badge/anthropics/skill-creator.svg)](https://skillsvetted.com/skills/anthropics/skill-creator)
Rescan
Pull the latest commit from GitHub and update this listing.
Want a human to check it?

A full review covers what pattern matching can't: intent, logic and behavior in a sandbox.

Request full review