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Installer CLI for the Product Operating System skills package.
Claude Skills are markdown + scripts loaded into Claude Code; scanned with the same pipeline.
We found this by crawling public sources and nobody has attested to it. That is how most of the registry gets here, and it is not a mark against the artifact — it only means no authenticated act of publication is on record. An artifact can be the vendor's own and still appear here.
5 critical findings reported by cisco-skill-scanner, 1 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
This artifact ships from 2 sources and their verdicts differ. The worst is github (Flagged). Installing from a cleaner source does not mean the others are safe — check the source you actually install from.
github: https://github.com/michal-pi/productskills, 133 findings
Claude Skills install to a single target, no runtime picker.
nerlo install -- @pm-musketeers/product-skills
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- @pm-musketeers/product-skills ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
6 of 11 scanners examined this package. The rest do not apply to it — language, ecosystem and packaging decide which analyzers can say anything, and a scanner that cannot examine an artifact reports nothing rather than passing it.
v1.4.0
0 findings · 0.4s
v2.0.11
130 findings · 9.7s
v0.3.74
2 findings · 2.2s
v0.1.0
0 findings · 3.4s
v0.1.0
1 finding · 3.4s
v0.1.0
0 findings · 9.4s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image.
2 scans on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Sep 3, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: complete | rejected |
| Aug 4, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: complete | rejected |
Findings in files this artifact installs stand as reported; a model re-read the rest and said which ones it believes are false positives. This is a second opinion published beside the evidence, not a correction to it: the per-scanner reports above are unchanged, every dismissed finding is still listed there at its original severity, and the score and the Flagged badge are computed from those raw severities alone. Nothing below moved them.
Out of 133 findings across every scanner that examined this package. 4 of 5 findings rated critical by their scanner were among the dismissals.
Two keys had to turn. The model had to name a reason from a fixed list of six, and a deterministic check of ours — over which files this artifact actually installs — had to independently agree. Anything it could not corroborate is in “not reviewed” above, at full severity.
50 Test or fixture file — The match is in a test or fixture. Our own check confirmed the file is not part of what gets installed.
Rules: COMMAND_INJECTION_JS_CHILD_PROCESS, DATA_EXFIL_JS_FS_ACCESS · Files: /repo/tests/installer.test.mjs · reported by cisco-skill-scanner
3 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: SOCIAL_ENG_VAGUE_DESCRIPTION, opt.nerlo-rules.nerlo-install-run-bundled-artifact, MANIFEST_MISSING_LICENSE · Files: /repo/docs/SKILL.md, /repo/docs/RELEASE_CANDIDATE_CHECKLIST.md · reported by cisco-skill-scanner, nerlo-install-instruction
These findings are in files this artifact installs and are not placeholder values. No false-positive basis can be corroborated for such a finding, so this review never dismisses one; they were not sent to the model and stand at their scanner's severity.
37 MANIFEST_MISSING_LICENSE
Files: /repo/skills/workflow-prd-to-linear-delivery/SKILL.md, /repo/skills/pm-design/SKILL.md, /repo/skills/workflow-product-operating-system/SKILL.md and 34 more · reported by cisco-skill-scanner
23 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/templates/SKILL.md, /repo/references/methods/SKILL.md and 20 more · reported by cisco-skill-scanner
15 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/bin/product-skills.mjs · reported by cisco-skill-scanner
1 AAK-HEALTHCARE-AI-004
Files: evals/trigger-tests.yaml · reported by agent-audit-kit
1 AAK-SUPPLY-004
Files: package.json · reported by agent-audit-kit
1 COMMAND_INJECTION_JS_CHILD_PROCESS
Critical command injection and data exfiltration risks identified.
The artifact contains code that permits command injection via child process execution within `/repo/bin/product-skills.mjs`. Additionally, multiple instances of data exfiltration through file system access are present in `/repo/bin/product-skills.mjs`. These capabilities could lead to unauthorized shell execution and sensitive data exposure. Medium severity findings related to healthcare AI and supply chain rules are also noted.
Concern level assessed by the review: Critical. This is the review's scale, not the registry badge.
Reviewed by gemini-2.5-flash. The model sees the findings, not your code, and cannot change a score.
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 HIDDEN_DATA_FILE
Files: /repo/.codex-plugin/plugin.json · reported by cisco-skill-scanner