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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.
13 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 -- planvas
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- planvas ~/.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
4 findings · 0.8s
v2.0.11
122 findings · 11.1s
v0.3.74
27 findings · 6.0s
v0.1.0
0 findings · 4.3s
v0.1.0
2 findings · 4.3s
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 · 3.7s
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 ·n/a: not applicable | rejected |
| Aug 11, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·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 155 findings across every scanner that examined this package. None of the 13 findings rated critical by their scanner were dismissed.
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.
76 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: DATA_EXFIL_JS_FS_ACCESS, DATA_EXFIL_JS_NETWORK · Files: /repo/backend/tests/runTests.ts, /repo/backend/tests/testUtils.ts · reported by cisco-skill-scanner
4 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/release.yml · 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.
12 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/backend/src/storage/repositoryStorageContext.ts, /repo/backend/src/storage/whiteboardRepositoryCore.ts, /repo/scripts/sync-version.mjs and 2 more · reported by cisco-skill-scanner
8 MANIFEST_MISSING_LICENSE
Files: /repo/plugins/planvas-ai/skills/planvas-skill/SKILL.md, /repo/skills/planvas-skill/SKILL.md, /repo/SKILL.md and 5 more · reported by cisco-skill-scanner
7 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/backend/src/storage/whiteboardRepositoryCore.ts, /repo/scripts/format.mjs · reported by cisco-skill-scanner
6 HIDDEN_DATA_FILE
Files: /repo/.prettierrc.json, /repo/backend/.planvas-write-test-3dee3de0-4013-42b2-9751-32a225e685ef, /repo/plugins/planvas-ai/.codex-plugin/plugin.json and 1 more · reported by cisco-skill-scanner
6 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/backend/SKILL.md, /repo/plugins/planvas-ai/SKILL.md and 3 more
Critical command injection and credential access risks identified.
The artifact contains critical command injection vulnerabilities in `whiteboardRepositoryCore.ts` and `format.mjs`, allowing for shell execution. Critical findings related to `AAK-TAINT-001` in `server.ts` suggest potential for data manipulation or unauthorized access. Additionally, `AAK-MCP-001` and `AAK-MCP-009` in `.mcp.json` files indicate potential credential access or sensitive configuration exposure. High severity findings also point to file system access in `server.ts` and `paths.ts`, and an unauthenticated HTTP server in `mcp.ts`.
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.
4 DATA_EXFIL_JS_NETWORK
Files: /repo/backend/src/server.ts, /repo/frontend/src/services/api.ts · reported by cisco-skill-scanner
3 AAK-LEGAL-002
Files: package.json, frontend/package.json, backend/package.json · reported by agent-audit-kit
3 AAK-MCP-001
Files: plugins/planvas-ai/.mcp.json, plugins/planvas-ai/adapters/antigravity/mcp_config.snippet.json, plugins/planvas-ai/adapters/claude/.mcp.json · reported by agent-audit-kit
3 AAK-MCP-009
Files: plugins/planvas-ai/.mcp.json, plugins/planvas-ai/adapters/antigravity/mcp_config.snippet.json, plugins/planvas-ai/adapters/claude/.mcp.json · reported by agent-audit-kit
3 AAK-MCP-ATTEST-001
Files: plugins/planvas-ai/.mcp.json, plugins/planvas-ai/adapters/antigravity/mcp_config.snippet.json, plugins/planvas-ai/adapters/claude/.mcp.json · reported by agent-audit-kit
3 AAK-TAINT-001
Files: backend/src/server.ts · reported by agent-audit-kit
3 AAK-TRANSPORT-003
Files: plugins/planvas-ai/.mcp.json, plugins/planvas-ai/adapters/antigravity/mcp_config.snippet.json, plugins/planvas-ai/adapters/claude/.mcp.json · reported by agent-audit-kit
2 hooks-no-pretooluse
Files: settings.json, .claude/settings.json · reported by agentshield
2 LOW_ANALYZABILITY
Files: /repo, /repo/backend · reported by cisco-skill-scanner
2 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/README.md, /repo/todo_list.md · reported by nerlo-install-instruction
2 permissions-no-deny-list
Files: settings.json, .claude/settings.json · reported by agentshield
1 AAK-MCP-018
Files: backend/src/server.ts · reported by agent-audit-kit
1 AAK-MCP-HTTP-NOAUTH-SERVER-001
Files: backend/src/mcp.ts · reported by agent-audit-kit
1 AAK-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 AAK-TRUST-004
Files: .claude/settings.json · reported by agent-audit-kit
1 AAK-TRUST-006
Files: .claude/settings.json · reported by agent-audit-kit
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
Showing 25 of 34; the rest are in the per-scanner reports above.