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This skill should be used when the user wants to visualize data. It intelligently selects the most suitable chart type from 26 available options, extracts parameters based on detailed specifications, and generates a chart image using a JavaScript script.
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.
9 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 -- 'shanghai-jerry/skills (chart-visualization)'
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- 'shanghai-jerry/skills (chart-visualization)' ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
4 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.
v2.0.11
146 findings · 13.2s
v0.3.74
11 findings · 4.3s
v0.1.0
10 findings · 5.0s
v0.1.0
22 findings · 5.0s
v1.4.0
None of the entry points this scanner reads were found in this artifact. What each scanner covers
0 findings · 0.2s
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 · 0.9s
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 ·n/a: not applicablecisco-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 189 findings across every scanner that examined this package. None of the 9 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.
2 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, MANIFEST_MISSING_LICENSE · Files: /repo/plugins/skill-development/skills/writing-skills/examples/SKILL.md · reported by cisco-skill-scanner
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.
44 MANIFEST_MISSING_LICENSE
Files: /repo/plugins/claude-code-security-config/skills/SKILL.md, /repo/plugins/research-analysis/skills/data-analysis/SKILL.md, /repo/plugins/research-analysis/skills/consulting-analysis/SKILL.md and 41 more · reported by cisco-skill-scanner
26 DATA_EXFIL_NETWORK_REQUESTS
Files: /repo/plugins/research-analysis/skills/github-deep-research/scripts/github_api.py, /repo/plugins/content-generation/skills/video-generation/scripts/generate.py, /repo/plugins/content-generation/skills/video-generation/scripts/generate_volcengine_image.py and 3 more · reported by cisco-skill-scanner
24 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/plugins/extras/skills/brainstorming/scripts/server.cjs, /repo/plugins/skill-development/skills/writing-skills/render-graphs.js, /repo/plugins/content-generation/skills/chart-visualization/scripts/generate.js · reported by cisco-skill-scanner
13 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/plugins/skill-development/skills/bootstrap/SKILL.md, /repo/SKILL.md, /repo/plugins/claude-code-security-config/skills/references/SKILL.md and 10 more · reported by cisco-skill-scanner
10 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/plugins/mac-setup/skills/references/dev-languages.md, /repo/plugins/mac-setup/skills/references/gui-apps.md, /repo/plugins/research-analysis/skills/claude-to-deerflow/scripts/status.sh
Artifact includes critical shell execution and data exfiltration capabilities.
The artifact contains multiple instances of shell command injection in JavaScript files, such as `render-graphs.js`, and compound fetch-and-execute operations in `chat.sh`. It also exhibits extensive file system access for potential data exfiltration in files like `generate.js` and `server.cjs`. Additionally, the artifact has capabilities for network egress of secrets and undeclared network requests.
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.
10 opt.nerlo-rules.nerlo-py-secret-to-network-egress
Files: /repo/plugins/content-generation/skills/image-generation/scripts/generate.py, /repo/plugins/content-generation/skills/podcast-generation/scripts/generate.py, /repo/plugins/content-generation/skills/video-generation/scripts/generate.py and 2 more · reported by nerlo-behavioral
9 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/plugins/extras/skills/brainstorming/scripts/start-server.sh, /repo/plugins/extras/skills/brainstorming/visual-companion.md · reported by nerlo-install-instruction
8 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json · reported by agent-audit-kit
8 COMPOUND_FETCH_EXECUTE
Files: /repo/plugins/research-analysis/skills/claude-to-deerflow/scripts/chat.sh, /repo/plugins/mac-setup/skills/references/dev-languages.md · reported by cisco-skill-scanner
8 PIPELINE_TAINT_FLOW
Files: /repo/plugins/mac-setup/skills/references/dev-languages.md, /repo/plugins/mac-setup/skills/references/SKILL.md · reported by cisco-skill-scanner
6 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/plugins/skill-development/skills/writing-skills/render-graphs.js · reported by cisco-skill-scanner
5 TOOL_ABUSE_UNDECLARED_NETWORK
Files: /repo/plugins/research-analysis/skills/github-deep-research/repo/plugins/research-analysis/skills/github-deep-research/SKILL.md, /repo/plugins/content-generation/skills/podcast-generation/repo/plugins/content-generation/skills/podcast-generation/SKILL.md, /repo/plugins/content-generation/skills/image-generation/repo/plugins/content-generation/skills/image-generation/SKILL.md and 2 more · reported by cisco-skill-scanner
3 opt.nerlo-rules.nerlo-install-shell-inline-command
Files: /repo/plugins/mac-setup/skills/SKILL.md, /repo/plugins/mac-setup/skills/references/zsh-config.md · reported by nerlo-install-instruction
2 DATA_EXFIL_JS_NETWORK
Files: /repo/plugins/content-generation/skills/chart-visualization/scripts/generate.js · reported by cisco-skill-scanner
2 LOW_ANALYZABILITY
Files: /repo/plugins/skill-development/skills/writing-skills, /repo/plugins/extras/skills/brainstorming · reported by cisco-skill-scanner
2 RESOURCE_ABUSE_INFINITE_LOOP
Files: /repo/plugins/content-generation/skills/video-generation/scripts/generate_volcengine_video.py · reported by cisco-skill-scanner
2 YARA_capability_inflation_generic
Files: /repo/plugins/design-deploy/skills/frontend-design/SKILL.md · reported by cisco-skill-scanner
1 AAK-HEALTHCARE-AI-004
Files: plugins/extras/skills/brainstorming/SKILL.md · reported by agent-audit-kit
1 AAK-SKILL-001
Files: plugins/mac-setup/skills/SKILL.md · reported by agent-audit-kit
1 AAK-TASKS-003
Files: plugins/content-generation/skills/video-generation/scripts/generate_volcengine_video.py · reported by agent-audit-kit
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 SOCIAL_ENG_MISLEADING_DESC
Files: /repo/plugins/content-generation/skills/podcast-generation/SKILL.md · reported by cisco-skill-scanner
Showing 25 of 63; the rest are in the per-scanner reports above.