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Dev tooling for the marketplace. Plugin metadata lives in each plugins/<name>/.claude-plugin/plugin.json.
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.
7 critical findings reported by cisco-skill-scanner, agent-audit-kit. 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 -- j0hanz-marketplace
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- j0hanz-marketplace ~/.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
1 finding · 0.9s
v2.0.11
102 findings · 9.1s
v0.3.74
19 findings · 4.1s
v0.1.0
0 findings · 3.8s
v0.1.0
0 findings · 3.8s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.6s
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 20, 2026 | Scan Halted | — | agentshield: completecisco-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 122 findings across every scanner that examined this package. None of the 7 findings rated critical by their scanner were dismissed.
Not reviewed is not the same as clean. Those 68 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.
5 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: agents-comment-injection-665, AAK-AGENT-005 · Files: CLAUDE.md, AGENTS.md · reported by agentshield, agent-audit-kit
The model could have called any of these a false positive and did not.
23 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/plugins/css/skills/css-audit/audit.mjs, /repo/plugins/mcp-hub/hooks/mcp-project.cjs, /repo/plugins/mcp-hub/hooks/post-tool-use.cjs and 2 more · reported by cisco-skill-scanner
10 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json · reported by agent-audit-kit
6 LOW_ANALYZABILITY
Files: /repo/plugins/css, /repo/plugins/css/skills/css-audit, /repo/plugins/workbench/skills/bug-hunt and 3 more · reported by cisco-skill-scanner
5 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/plugins/css/hooks/changed.mjs, /repo/plugins/css/hooks/onstart.mjs, /repo/scripts/validate.mjs · reported by cisco-skill-scanner
1 AAK-LEGAL-002
Files: package.json · reported by agent-audit-kit
1 AAK-MCP-AUTH-PATHTRAVERSAL-001
Files: plugins/workbench/hooks/stale.mjs
68 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: AAK-SKILL-003, SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_MISSING_LICENSE · Files: plugins/workbench/skills/tdd/SKILL.md, /repo/plugins/mcp-hub/skills/mcp-migration/SKILL.md, /repo/plugins/mcp-hub/skills/mcp-elicitation/SKILL.md and 56 more · reported by agent-audit-kit, cisco-skill-scanner
Critical command injection, path traversal, and data access risks.
This artifact has critical command injection vulnerabilities in several files, including `/repo/plugins/css/hooks/changed.mjs` and `/repo/scripts/validate.mjs`, which permit shell execution. A critical path traversal vulnerability in `plugins/workbench/hooks/stale.mjs` could allow unauthorized file access. High severity findings also indicate potential data exfiltration through file system access in `/repo/plugins/css/skills/css-audit/audit.mjs` and `/repo/plugins/mcp-hub/hooks/post-tool-use.cjs`. Additionally, parts of the code have low analyzability, potentially masking other issues.
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 AAK-SUPPLY-004
Files: pyproject.toml · reported by agent-audit-kit
1 AAK-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
Showing 25 of 44; the rest are in the per-scanner reports above.