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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.
Claude Skills install to a single target, no runtime picker.
nerlo install -- @variant/skills-open
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- @variant/skills-open ~/.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
4 findings · 1.6s
v2.0.11
38 findings · 10.1s
v0.3.74
7 findings · 2.0s
v0.1.0
0 findings · 4.2s
v0.1.0
0 findings · 4.2s
v2.3.8
4 findings · 8.9s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
v0.1.0
This scanner found nothing in this artifact that it assesses. What each scanner covers
0 findings · 1.1s
v0.71.0
No dependency manifest or lockfile was found in this artifact. What each scanner covers
0 findings · 0.3s
v0.71.0
No container image was published for this artifact. What each scanner covers
0 findings · 0.0s
vv1.6.0
No Go modules were found in this artifact. What each scanner covers
0 findings · 0.1s
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 21, 2026 | Flagged65 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source ·n/a: not applicabletrivy ·n/a: not applicableosv-scanner: completetrivy_image ·n/a: not applicablegovulncheck ·n/a: not applicable | completed |
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 53 findings across every scanner that examined this package.
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.
2 CI or editor configuration — The match is in build, CI or editor configuration, confirmed by our own check to be outside the installed artifact.
Rules: AAK-GHA-IMMUTABLE-001 · Files: .github/workflows/ci.yml, .github/workflows/validate-skills.yml · reported by agent-audit-kit
1 Agent instruction file — The match is in a file that instructs an AI coding agent — a CLAUDE.md or similar. It is documentation of intent, and our own check confirmed it is not part of what gets installed.
Rules: AAK-AGENT-002 · Files: AGENTS.md · reported by agent-audit-kit
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.
23 MANIFEST_MISSING_LICENSE
Files: /repo/plugins/code/skills/teach-pr/SKILL.md, /repo/plugins/code/skills/varde-docs/SKILL.md, /repo/plugins/code/skills/codebase-onboarding/SKILL.md and 20 more · reported by cisco-skill-scanner
9 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/scripts/SKILL.md, /repo/plugins/code/SKILL.md and 6 more · reported by cisco-skill-scanner
5 HIDDEN_DATA_FILE
Files: /repo/.agents/skills/create-skill-with-colocated-tool/SKILL.md, /repo/.agents/skills/create-plugin/SKILL.md, /repo/.agents/skills/create-standalone-tool/SKILL.md and 2 more · reported by cisco-skill-scanner
2 AAK-LEGAL-002
Files: package.json, plugins/handbook/package.json · reported by agent-audit-kit
2 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json · reported by agent-audit-kit
2
High severity vulnerabilities and configuration risks identified
The artifact contains high severity supply chain vulnerabilities in its dependencies, which could lead to remote code execution or data exposure. Configuration files in `.claude-plugin/marketplace.json` have high severity findings that may permit unintended actions. Additionally, scripts in `/repo/scripts` have low analyzability, hindering security review.
Concern level assessed by the review: High. 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.
Files: settings.json, .claude/settings.json · reported by agentshield
2 permissions-no-block
Files: settings.json, .claude/settings.json · reported by agentshield
1 GHSA-28wg-ghj8-5hjv
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 GHSA-2v37-7h3g-55p8
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 GHSA-fxqj-rqcc-2cmp
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 GHSA-r28c-9q8g-f849
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 LOW_ANALYZABILITY
Files: /repo/scripts · reported by cisco-skill-scanner