Claude Code, Skill
Vermilion Sketch
Turn any photo into a minimalist zen ink sketch — black brush strokes on embossed watercolor paper, subject only, one touch of vermilion decided by the agent.
Compatibility: Not stated.
Grade C
One Medium finding. Read the findings before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit c3afd6c2ab09, unchanged since the check below.
PERMISSION_SHELL_UNDECLARED
Why this grade
- PERMISSION_SHELL_UNDECLARED Medium
Runs shell commands that the manifest or description does not mention.
skills/vermilion-sketch/scripts/sketch.py, line 399
r = subprocess.run(["curl", "-fsSL", "--max-time", str(timeout), "-A", USER_AGENT, url], capture_output=True)
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.
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.
PERMISSION_SHELL_UNDECLARED
skills/vermilion-sketch/scripts/sketch.py, line 399
r = subprocess.run(["curl", "-fsSL", "--max-time", str(timeout), "-A", USER_AGENT, url], capture_output=True)
skills/vermilion-sketch/scripts/sketch.py, line 457
r = subprocess.run(cmd, shell=True)
skills/vermilion-sketch/scripts/sketch.py, line 545
opened = subprocess.run(["open", "-t", str(env_path)]).returncode == 0
Show more
skills/vermilion-sketch/scripts/sketch.py, line 550
opened = subprocess.run(["xdg-open", str(env_path)]).returncode == 0
Install and update
Pass
No install-time script found, and dependencies are pinned or absent.
Network
Concern
can reach a host that is not written as a fixed address.
NETWORK_NO_FIXED_HOST
skills/vermilion-sketch/references/prompt-recipe.md, line 152
"silhouette": "seen from the side on a single thin straight stem; the outer petals curl outward and droop to the left, the inner petals gather upward into pointed tips",
skills/vermilion-sketch/scripts/sketch.py, line 317
with urllib.request.urlopen(req, timeout=timeout) as resp:
skills/vermilion-sketch/scripts/sketch.py, line 396
with urllib.request.urlopen(req, timeout=timeout) as resp:
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
skills/vermilion-sketch/SKILL.md, line 143
python3 "$SKILL/scripts/sketch.py" --open-env # creates a commented .env and opens it for the user to fill in
skills/vermilion-sketch/scripts/sketch.py, line 9
Two kinds of backend, both configured in .env (see references/backends.md):
skills/vermilion-sketch/scripts/sketch.py, line 17
python3 sketch.py --open-env # create a commented .env and open it for the user to fill in
Show more
skills/vermilion-sketch/scripts/sketch.py, line 50
SKILL_DIR / ".env",
skills/vermilion-sketch/scripts/sketch.py, line 51
Path.home() / ".config" / "vermilion-sketch" / ".env",
skills/vermilion-sketch/scripts/sketch.py, line 127
"""Use the first .env that holds a key or a generator command; real environment variables win."""
skills/vermilion-sketch/scripts/sketch.py, line 491
print(f"config source {src or 'environment variables / no .env found'}")
skills/vermilion-sketch/scripts/sketch.py, line 508
print("\nERROR: no API key and no generator command. Run sketch.py --open-env to create and open .env, "
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Pass
No encoded or minified payload found.
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 c3afd6c2ab09. requests shell access. No manifest field names shell or command execution. can reach a host that is not written as a fixed address. reads a credential or environment file.
Date and source
Date checked:
github.com
Commit graded: c3afd6c2ab0955f6f5c75813107ad9a9f6379166
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