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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.
2 critical findings reported by cisco-skill-scanner. The composite score alone does not reflect this — read the per-scanner reports below.
Claude Skills install to a single target, no runtime picker.
nerlo install -- @virtuoso.dev/monorepo
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- @virtuoso.dev/monorepo ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
5 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
Incomplete run
0 findings · 0.7s
v2.0.11
281 findings · 48.6s
v0.3.74
10 findings · 19.8s
v0.1.0
2 findings · 11.2s
v0.1.0
4 findings · 11.2s
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 · 1.0s
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image.
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 21, 2026 | Scan Halted | — | agentshield ·!: incompletecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source ·n/a: not applicable | 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 297 findings across every scanner that examined this package. None of the 2 findings rated critical by their scanner were dismissed.
Not reviewed is not the same as clean. Those 6 findings stand exactly as their scanners reported them, at full severity, as they would have without this review.
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.
45 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: LOW_ANALYZABILITY, AAK-STATE-PRIVACY-001, SOCIAL_ENG_VAGUE_DESCRIPTION and 4 more · Files: /repo/examples, apps/virtuoso.dev/src/content/docs/privacy-policy.md, /repo/examples/SKILL.md and 25 more · reported by cisco-skill-scanner, agent-audit-kit, nerlo-install-instruction
5 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: HIDDEN_DATA_FILE, MANIFEST_INVALID_NAME · Files: /repo/examples/.oxlintrc.json, /repo/examples/.ladle/config.mjs, /repo/.github/ISSUE_TEMPLATE/SKILL.md · reported by cisco-skill-scanner
2 Placeholder value — The matched literal is a placeholder or example — the kind of value a scanner reads as a secret and a human reads as a blank to fill in.
Rules: HIDDEN_DATA_FILE · Files: /repo/apps/virtuoso.dev/.example.env · reported by cisco-skill-scanner
2 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: SECRET_PASSWORD_VAR · Files: /repo/packages/reactive-engine-core/src/diagnostics.test.ts · reported by cisco-skill-scanner
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.
93 MANIFEST_MISSING_LICENSE
Files: /repo/.codex/skills/docs-guidance/SKILL.md, /repo/packages/virtuoso-skills/skills/react-virtuoso/SKILL.md, /repo/packages/virtuoso-skills/skills/data-table/SKILL.md and 90 more · reported by cisco-skill-scanner
35 MANIFEST_INVALID_NAME
Files: /repo/packages/virtuoso-skills/skills/data-table/references/9.guides/SKILL.md, /repo/plugins/virtuoso-skills/skills/data-table/references/9.guides/SKILL.md, /repo/skills/data-table/references/9.guides/SKILL.md and 32 more · reported by cisco-skill-scanner
32 HIDDEN_DATA_FILE
Files: /repo/.oxlintrc.json, /repo/packages/reactive-engine-core/.oxlintrc.json, /repo/packages/reactive-engine-router/.oxlintrc.json and 16 more · reported by cisco-skill-scanner
28 DATA_EXFIL_JS_NETWORK
Files: /repo/apps/virtuoso.dev/src/components/LiveCodeBlock/createCodesandbox.ts, /repo/packages/data-table/src/model/remote-model.ts, /repo/packages/reactive-engine-examples/todo-app/src/mutations.ts and 3 more · reported by cisco-skill-scanner
17 SOCIAL_ENG_VAGUE_DESCRIPTION
6 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: MANIFEST_INVALID_NAME · Files: /repo/packages/virtuoso-skills/skills/message-list/references/3.examples/SKILL.md, /repo/plugins/virtuoso-skills/skills/message-list/references/3.examples/SKILL.md, /repo/skills/message-list/references/3.examples/SKILL.md and 3 more · reported by cisco-skill-scanner
Critical command injection and dynamic execution risks identified.
The artifact contains critical command injection vulnerabilities in `/repo/apps/virtuoso.dev/src/components/LiveCodeBlock/LiveCodeBlock.tsx`, allowing for shell execution. Dynamic code execution capabilities are also present in the same file. Additionally, the artifact exhibits high analyzability issues across multiple repository paths and includes marketplace configuration files that warrant attention.
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.
13 LOW_ANALYZABILITY
Files: /repo/packages/reactive-engine-storage, /repo/packages/reactive-engine-query, /repo/packages/react-virtuoso and 10 more · reported by cisco-skill-scanner
4 AAK-LEGAL-002
Files: package.json, packages/virtuoso-skills/package.json, packages/reactive-engine-examples/package.json and 1 more · reported by agent-audit-kit
4 EXCESSIVE_FILE_COUNT
Files: /repo/packages/react-virtuoso/., /repo/., /repo/packages/data-table/. and 1 more · reported by cisco-skill-scanner
3 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/packages/virtuoso-skills/skills/reactive-engine/references/core/06.diagnostics.md, /repo/plugins/virtuoso-skills/skills/reactive-engine/references/core/06.diagnostics.md, /repo/skills/reactive-engine/references/core/06.diagnostics.md · reported by nerlo-install-instruction
2 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json, .agents/plugins/marketplace.json · reported by agent-audit-kit
2 COMMAND_INJECTION_JS_FUNCTION_CONSTRUCTOR
Files: /repo/apps/virtuoso.dev/src/components/LiveCodeBlock/LiveCodeBlock.tsx · reported by cisco-skill-scanner
1 AAK-SUPPLY-003
Files: package.json · reported by agent-audit-kit
1 opt.nerlo-rules.nerlo-dynamic-exec
Files: /repo/apps/virtuoso.dev/src/components/LiveCodeBlock/LiveCodeBlock.tsx · reported by nerlo-behavioral
1 opt.nerlo-rules.nerlo-hardcoded-external-egress
Files: /repo/apps/virtuoso.dev/src/components/LiveCodeBlock/createCodesandbox.ts · reported by nerlo-behavioral