Claude Code, Skill
The Librarian
A skill librarian MCP server — your agents stop carrying the whole skill collection in context and start asking for the one right book.
Compatibility: Not stated.
Grade B
Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
NETWORK_NO_FIXED_HOST PERMISSION_SHELL_DECLARED OBFUSCATION_FILE_OVER_READ_CAP
Why this grade
- NETWORK_NO_FIXED_HOST Low
Makes a network call whose host is not written as a fixed address.
server.py, line 157
r = httpx.post( - PERMISSION_SHELL_DECLARED Note
Runs shell commands, and the manifest or description says so.
server.py, line 446
proc = subprocess.run( - OBFUSCATION_FILE_OVER_READ_CAP Note
A file was over the read cap and was not fully read.
bench/decision-filter-2026-10-09/testset.json, line 1
[{"q": "Create a local Feed publisher skill and install it for Grok Aka Claude Hermes Goose via the skills collection", "cands": [{"skill": "grok-update", "desc": "Update Grok over
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
Note
requests shell access. The manifest names this permission.
PERMISSION_SHELL_DECLARED
server.py, line 446
proc = subprocess.run(
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
server.py, line 157
r = httpx.post(
bench/decision-filter-2026-10-09/oll.py, line 4
return json.load(urllib.request.urlopen(r,timeout=300))
bench/decision-filter-2026-10-09/run.py, line 39
ps=[x for x in json.load(urllib.request.urlopen('http://127.0.0.1:11434/api/ps'))['models'] if x['name']==m]
Show more
bench/embedder-2026-10-12/bench.py, line 14
r = httpx.post("http://localhost:11434/api/embed", json={"model": model, "input": texts[i:i+16], "truncate": True}, timeout=300)
bench/nimble-v3-2026-10-13/run_v3.py, line 16
return json.load(urllib.request.urlopen(r, timeout=300))
bench/nimble-v3-2026-10-13/run_v3.py, line 60
ps = [x for x in json.load(urllib.request.urlopen("http://127.0.0.1:11434/api/ps"))["models"]
Secrets
Pass
No read of a credential file or secret environment variable found.
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Note
a file was over the read cap and was not fully read.
OBFUSCATION_FILE_OVER_READ_CAP
bench/decision-filter-2026-10-09/testset.json, line 1
[{"q": "Create a local Feed publisher skill and install it for Grok Aka Claude Hermes Goose via the skills collection", "cands": [{"skill": "grok-update", "desc": "Update Grok over
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 3c10dcd340ec. requests shell access. The manifest names this permission. can reach a host that is not written as a fixed address. a file was over the read cap and was not fully read.
Date and source
Date checked:
github.com
Commit graded: 3c10dcd340ec19d584ddca9cf1d4237391c0cbfd
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