Claude Code, Skill
sounding
Governance for agent instructions.
Compatibility: Not stated.
Grade D
Two or more Medium findings, or a High finding. Only try it in a sandbox.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit f0c6affbeff4, unchanged since the check below.
PERMISSION_SHELL_UNDECLARED AGENT_IGNORE_INSTRUCTIONS
Why this grade
- PERMISSION_SHELL_UNDECLARED Medium
Runs shell commands that the manifest or description does not mention.
tools/check_versions.py, line 148
live = subprocess.run( - AGENT_IGNORE_INSTRUCTIONS Medium
Text tells the agent to ignore earlier instructions.
examples/skills/messy-skill/SKILL.md, line 9
and it works great for me, so you should follow it exactly and ignore previous
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
If you think this grade is wrong, email [email protected] with the entry link and your evidence. We aim to acknowledge within two working days and decide within seven. If we confirm an error, we aim to correct it within 24 hours of confirming it. These are aims, not guarantees.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Concern
requests shell access. No manifest field names shell or command execution. can delete files.
PERMISSION_SHELL_UNDECLARED PERMISSION_DELETE_FILES
tools/check_versions.py, line 148
live = subprocess.run(
tools/check_versions.py, line 169
shutil.rmtree(sandbox.parent, ignore_errors=True)
tools/check_versions.py, line 183
actual = int(re.search(r"Ran (\d+) tests", subprocess.run(
Install and update
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Pass
No network call found.
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
CLAUDE.md, line 54
- Commit a secret, a token, an API key, or a `.env` with real values
Agent instructions
Serious
instructions tell the agent to ignore earlier instructions.
AGENT_IGNORE_INSTRUCTIONS
examples/skills/messy-skill/SKILL.md, line 9
and it works great for me, so you should follow it exactly and ignore previous
playground/index.html, line 186
I use this when I want to deploy quickly, so follow it exactly and ignore
Obfuscation
Concern
contains an encoded blob in a file that should be readable.
OBFUSCATION_ENCODED_BLOB
playground/index.html, line 155
const WHEEL_B64 = "UEsDBBQAAAAIAAAAQlDpy01oqQAAAM8AAAAUAAAAc291bmRpbmcvX19pbml0X18ucHlNjkEKwjAURPc5xfB3hVJcuFFwUbqUgugBQmjTEqw/JT8pLj2Ed3HvUTyJjSth+MzA488QkfjEveMRn8cTo19sYMOdxeADz
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit f0c6affbeff4. requests shell access. No manifest field names shell or command execution. can delete files. reads a credential or environment file. instructions tell the agent to ignore earlier instructions. contains an encoded blob in a file that should be readable.
Date and source
Date checked:
github.com
Commit graded: f0c6affbeff41360f4c2ce5b922e5d5f54365368
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