Caveat verdict

compress

file-compress-optimizer

88
🟢 Trusted
No high-risk patterns surfaced by the deep scan — automated capability review, not behavioral proof.

The skill appears to be designed for a legitimate purpose (compressing files) and does not seem to have any malicious behavior.

⚠ Flagged for review — coarse, uncorroborated signal, not a confirmed exploit. Review the config yourself before installing.

Automated static analysis — not a human review. Caveat flags capabilities, not confirmed intent, and can produce false positives. Disagree with this verdict? Use Dispute below.

68
security
70
transparency
70
maintenance

Findings (4)

Pattern match medium

References agent configuration files

SKILL.md · frontmatter · CLAUDE.md

Pattern match medium

subprocess execution — runs system commands from Python

scripts/compress.py · prose · downgraded · subprocess.run(

Pattern match medium

Instructs covert action — may act without user awareness

scripts/compress.py · prose · downgraded · silently

Pattern match low

Python os.environ.get — reads environment variable

scripts/compress.py · prose · downgraded · os.environ.get(

Why the tier is capped

Execution sink present in raw bytes (Hard Floor: class D). Final tier capped at Caution — cannot be lifted by any downgrade, example-payload opt-in, or allowlist.

Permissions & capabilities

No declared permissions — minimal attack surface.

Is this flag fair?

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