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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.
github_release: https://github.com/ractive/hyalo, 0 findings
Claude Skills install to a single target, no runtime picker.
nerlo install -- hyalo
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- hyalo ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
8 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
5 findings · 0.8s
v2.0.11
54 findings · 35.1s
v0.3.74
8 findings · 22.9s
v0.1.0
0 findings · 9.6s
v0.1.0
3 findings · 9.7s
v0.1.0
0 findings · 16.2s
v0.71.0
0 findings · 0.6s
v2.3.8
0 findings · 0.2s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
v0.71.0
No container image was published for this artifact. What each scanner covers
0 findings · 0.0s
vv1.6.0
No Go modules were found in this artifact. What each scanner covers
0 findings · 0.1s
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 22, 2026 | Flagged89 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: completetrivy: completeosv-scanner: completetrivy_image ·n/a: not applicablegovulncheck ·n/a: not applicable | completed |
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 70 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.
6 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/docs/SKILL.md, /repo/hyalo-knowledgebase/docs/SKILL.md, /repo/hyalo-knowledgebase/research/setup-hyalo-action/test/fixture-vault/SKILL.md · reported by cisco-skill-scanner
5 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/hyalo-knowledgebase/research/setup-hyalo-action/test/fixture-vault/.hyalo.toml · 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/ci.yml, .github/workflows/cloudsmith-republish.yml, .github/workflows/release.yml and 1 more · reported by agent-audit-kit
3 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-0, AAK-AGENT-005 · Files: CLAUDE.md, .claude/CLAUDE.md · reported by agentshield, 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.
20 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/dogfood/SKILL.md, /repo/.claude/skills/hyalo/SKILL.md, /repo/.claude/skills/review-rust/SKILL.md and 17 more · reported by cisco-skill-scanner
13 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/.claude/SKILL.md, /repo/hyalo-knowledgebase/SKILL.md and 10 more · reported by cisco-skill-scanner
4 EXCESSIVE_FILE_COUNT
Files: /repo/., /repo/hyalo-knowledgebase/iterations/done/., /repo/hyalo-knowledgebase/iterations/. and 1 more · reported by cisco-skill-scanner
4 HIDDEN_DATA_FILE
Files: /repo/.cargo/config.toml, /repo/hyalo-knowledgebase/.ignore, /repo/.hyalo.toml · reported by cisco-skill-scanner
2 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/README.md · reported by nerlo-install-instruction
1
Artifact installation allows shell execution; agents may lack tool restrictions.
The artifact's installation instructions in `README.md` involve piping directly to a shell, which can lead to arbitrary shell execution during setup. Agents defined in `agents/rust-developer.md` and `agents/rust-release-engineer.md` may lack restrictions on tool usage, potentially enabling actions beyond their intended scope. Additionally, a prompt injection vulnerability in `/repo/hyalo-knowledgebase/SKILL.md` could bypass or alter system instructions.
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: crates/hyalo-cli/templates/package.json · reported by agent-audit-kit
1 AAK-SUPPLY-005
Files: Cargo.lock · reported by agent-audit-kit
1 agents-no-tools-agents/rust-developer.md
Files: agents/rust-developer.md · reported by agentshield
1 agents-no-tools-agents/rust-release-engineer.md
Files: agents/rust-release-engineer.md · reported by agentshield
1 agents-oversized-prompt-agents/rust-developer.md
Files: agents/rust-developer.md · reported by agentshield
1 agents-oversized-prompt-agents/rust-release-engineer.md
Files: agents/rust-release-engineer.md · reported by agentshield
1 MANIFEST_INVALID_NAME
Files: /repo/.claude/SKILL.md · reported by cisco-skill-scanner
1 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/hyalo-knowledgebase/research/ff-rdp-discipline-consumer-notes.md · reported by nerlo-install-instruction
1 PROMPT_INJECTION_IGNORE_INSTRUCTIONS
Files: /repo/hyalo-knowledgebase/SKILL.md · reported by cisco-skill-scanner