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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.
This artifact ships from 2 sources and their verdicts differ. The worst is github (Flagged). Installing from a cleaner source does not mean the others are safe — check the source you actually install from.
github: https://github.com/pmbb7/paulbarnett-worldcup-app, 72 findings
Claude Skills install to a single target, no runtime picker.
nerlo install -- world-cup
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- world-cup ~/.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
0 findings · 0.8s
v2.0.11
59 findings · 7.1s
v0.3.74
9 findings · 2.6s
v0.1.0
1 finding · 3.0s
v0.1.0
0 findings · 3.0s
v0.1.0
0 findings · 29.8s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
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 22, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: complete | 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 69 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.
8 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/is-compatible.yml, .github/workflows/release.yml and 2 more · reported by agent-audit-kit
1 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: HIDDEN_DATA_FILE · Files: /repo/.config/jest/mocks/react-inlinesvg.tsx · 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.
16 HIDDEN_EXECUTABLE_SCRIPT
Files: /repo/.prettierrc.js, /repo/.config/.prettierrc.js, /repo/.config/jest-setup.js and 12 more · reported by cisco-skill-scanner
14 HIDDEN_DATA_FILE
Files: /repo/.cprc.json, /repo/.config/.cprc.json, /repo/.config/tsconfig.json and 10 more · reported by cisco-skill-scanner
10 MANIFEST_MISSING_LICENSE
Files: /repo/.codex/skills/build-plugin/SKILL.md, /repo/.codex/skills/validate-plugin/SKILL.md, /repo/.claude/skills/build-plugin/SKILL.md and 7 more · reported by cisco-skill-scanner
7 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/.claude/skills/build-plugin/SKILL.md, /repo/.claude/skills/validate-plugin/SKILL.md, /repo/SKILL.md and 4 more · reported by cisco-skill-scanner
4 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/.config/bundler/utils.ts · reported by cisco-skill-scanner
3
Artifact contains hidden executables and potential data exfiltration.
The artifact includes multiple hidden executable scripts, particularly within configuration files and utility scripts, which could lead to unexpected shell execution. It also exhibits capabilities for file system access and network egress in JavaScript files, specifically in `/repo/.config/bundler/utils.ts` and `/repo/src/api/footballApi.ts`. Furthermore, the artifact has low analyzability in core repository and configuration directories, hindering comprehensive security assessment. A specific finding indicates potential secret exposure leading to network egress in `/repo/src/api/footballApi.ts`.
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: /repo/src, /repo/.config, /repo · reported by cisco-skill-scanner
2 DATA_EXFIL_JS_NETWORK
Files: /repo/src/api/footballApi.ts · reported by cisco-skill-scanner
2 MANIFEST_INVALID_NAME
Files: /repo/.config/AGENTS/SKILL.md, /repo/.config/SKILL.md · reported by cisco-skill-scanner
1 AAK-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 opt.nerlo-rules.nerlo-js-secret-to-network-egress
Files: /repo/src/api/footballApi.ts · reported by nerlo-behavioral