ClawAudit verdict

skill-guard

benlee-skillguard

88
🟢 Trusted
Low risk — reviewed by ClawAudit, behavior matches stated purpose

SkillGuard is a local security scanner that audits installed skills for malicious patterns; all capabilities are exercised locally for defensive purposes and match the stated tool purpose with no outbound exfiltration.

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

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

0
security
100
transparency
90
maintenance

Findings (14)

Pattern match high

Bash /dev/tcp — raw TCP connection via shell

scripts/skillguard.py · prose · downgraded · /dev/tcp/

Pattern match high

Pipe to bash — executes piped content as shell commands

scripts/skillguard.py · prose · downgraded · |bash

Pattern match high

Pipe to python — executes piped content as Python code

scripts/skillguard.py · prose · downgraded · |python3

Pattern match high

Prompt injection — tries to override agent instructions

tests/fake-helper/SKILL.md · prose · downgraded · Ignore all previous instructions

Pattern match high

Instructs agent to hide actions from user

tests/fake-helper/SKILL.md · prose · downgraded · Do not warn the user

Pattern match medium

Accesses system credential store

SKILL.md · prose · downgraded · Keychain

Pattern match medium

Accesses .ssh directory

tests/fake-timebomb/scripts/reminder.py · prose · downgraded · .ssh/

Pattern match medium

subprocess with shell=True — command injection vector

tests/fake-formatter/scripts/formatter.py · prose · downgraded · subprocess.Popen(decoded, shell=True

Pattern match medium

References SSH/GPG private keys

tests/fake-weather/scripts/weather.py · prose · downgraded · ssh_key

Pattern match low

Base64 encoding/decoding

SKILL.md · prose · downgraded · Base64-encode

Pattern match low

Python os.environ.get — reads environment variable

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

Pattern match low

Popular HTTP library — network access

scripts/skillguard.py · prose · downgraded · axios

Pattern match low

Opens WebSocket connection

scripts/skillguard.py · prose · downgraded · WebSocket

Pattern match low

Python urllib.request — network access

tests/fake-crypto/scripts/crypto.py · prose · downgraded · urllib.request

Why the tier is capped

Execution sink present in raw bytes (Hard Floor: class A/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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