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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.
Claude Skills install to a single target, no runtime picker.
nerlo install -- e-catholic-catechism-school
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- e-catholic-catechism-school ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
7 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
31 findings · 1.0s
v2.0.11
466 findings · 29.8s
v0.3.74
18 findings · 24.7s
v0.1.0
0 findings · 16.1s
v0.1.0
2 findings · 16.1s
v0.71.0
0 findings · 0.6s
v2.3.8
0 findings · 7.5s
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 · 2.0s
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 | Flagged78 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source ·n/a: not applicabletrivy: 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 517 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.
11 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: YARA_prompt_injection_unicode_steganography, SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_MISSING_LICENSE and 1 more · Files: /repo/docs/screenshots/assignment.png, /repo/docs/screenshots/mass-attendance.png, /repo/.github/SKILL.md and 2 more · reported by cisco-skill-scanner
9 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: AAK-AGENT-003, AAK-AGENT-002, agents-comment-injection-243 and 1 more · Files: AGENTS.md, CLAUDE.md · reported by agent-audit-kit, agentshield
4 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: SECRET_PASSWORD_VAR · Files: /repo/convex/lib/password.test.ts · 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.
229 HIDDEN_DATA_FILE
Files: /repo/.agents/skills/migrate-to-shoehorn/SKILL.md, /repo/.agents/skills/make-interfaces-feel-better/SKILL.md, /repo/.agents/skills/scaffold-exercises/SKILL.md and 226 more · reported by cisco-skill-scanner
172 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/loop-me/SKILL.md, /repo/.claude/skills/convex-advisor/SKILL.md, /repo/.claude/skills/code-review/SKILL.md and 169 more · reported by cisco-skill-scanner
21 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/.design-sync/SKILL.md, /repo/convex/SKILL.md and 18 more · reported by cisco-skill-scanner
6 DATA_EXFIL_JS_NETWORK
Files: /repo/public/sw.js, /repo/src/components/custom/catechist-photo-upload.tsx, /repo/src/components/custom/student-photo-upload.tsx and 2 more · reported by cisco-skill-scanner
6 LOW_ANALYZABILITY
Files: /repo/.claude/skills/setup-ts-deep-modules, /repo/.agents/skills/setup-ts-deep-modules, /repo/convex and 3 more
Artifact contains hidden executable scripts and encoded payloads.
The artifact includes hidden executable scripts in skill directories and encoded payloads within agent definitions, indicating potential for shell execution. There are also instances of pipeline taint flow in skill definitions and direct piping to shell during installation. Additionally, the artifact exhibits network egress capabilities from JavaScript code and contains components with low analyzability.
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.
5 PIPELINE_TAINT_FLOW
Files: /repo/.claude/skills/convex-improve-convex-plugin/SKILL.md, /repo/.agents/skills/convex-improve-convex-plugin/SKILL.md · reported by cisco-skill-scanner
3 AAK-HEALTHCARE-AI-004
Files: .claude/skills/convex-performance-audit/SKILL.md, .agents/skills/convex-performance-audit/SKILL.md, .agents/skills/frontend-design/SKILL.md · reported by agent-audit-kit
3 EXCESSIVE_FILE_COUNT
Files: /repo/convex/., /repo/., /repo/.agents/. · reported by cisco-skill-scanner
3 HIDDEN_EXECUTABLE_SCRIPT
Files: /repo/.agents/skills/diagnosing-bugs/scripts/hitl-loop.template.sh, /repo/.agents/skills/wizard/template.sh, /repo/.agents/skills/git-guardrails-claude-code/scripts/block-dangerous-git.sh · reported by cisco-skill-scanner
2 agents-encoded-payload-4595
Files: agents/convex-feature-builder.md, .claude/agents/convex-feature-builder.md · reported by agentshield
2 FILE_MAGIC_MISMATCH
Files: /repo/convex/_generated/api.js · reported by cisco-skill-scanner
2 hooks-chained-commands-0
Files: settings.json, .claude/settings.json · reported by agentshield
2 hooks-no-pretooluse
Files: settings.json, .claude/settings.json · reported by agentshield
2 hooks-no-stop-hooks
Files: settings.json, .claude/settings.json · reported by agentshield
2 hooks-silent-fail-110
Files: settings.json, .claude/settings.json · reported by agentshield
2 hooks-silent-fail-154
Files: settings.json, .claude/settings.json · reported by agentshield
2 hooks-silent-fail-166
Files: settings.json, .claude/settings.json · reported by agentshield
2 hooks-silent-fail-17
Files: settings.json, .claude/settings.json · reported by agentshield
2 hooks-silent-fail-29
Files: settings.json, .claude/settings.json · reported by agentshield
2 hooks-silent-fail-98
Files: settings.json, .claude/settings.json · reported by agentshield
2 MANIFEST_DESCRIPTION_TOO_LONG
Files: /repo/.agents/SKILL.md, /repo/.claude/agents/SKILL.md · reported by cisco-skill-scanner
2 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/.agents/skills/convex-improve-convex-plugin/SKILL.md, /repo/.claude/skills/convex-improve-convex-plugin/SKILL.md · reported by nerlo-install-instruction
2 permissions-no-block
Files: settings.json, .claude/settings.json · reported by agentshield
1 AAK-LEGAL-002
Files: package.json · reported by agent-audit-kit
1 AAK-MCP-005
Files: .mcp.json · reported by agent-audit-kit
1 AAK-MCP-007
Files: .mcp.json · reported by agent-audit-kit
1 AAK-MCP-ATTEST-001
Files: .mcp.json · reported by agent-audit-kit
1 AAK-SUPPLY-001
Files: .mcp.json · reported by agent-audit-kit
1 AAK-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 AAK-TRUST-007
Files: .claude/settings.json · reported by agent-audit-kit
1 agents-no-tools-.claude/agents/convex-feature-builder.md
Files: .claude/agents/convex-feature-builder.md · reported by agentshield
1 agents-no-tools-.claude/agents/unit-test-writer.md
Files: .claude/agents/unit-test-writer.md · reported by agentshield
1 agents-no-tools-agents/convex-feature-builder.md
Files: agents/convex-feature-builder.md · reported by agentshield
1 agents-no-tools-agents/unit-test-writer.md
Files: agents/unit-test-writer.md · reported by agentshield
1 agents-oversized-prompt-.claude/agents/convex-feature-builder.md
Files: .claude/agents/convex-feature-builder.md · reported by agentshield
1 agents-oversized-prompt-.claude/agents/unit-test-writer.md
Files: .claude/agents/unit-test-writer.md · reported by agentshield
1 agents-oversized-prompt-agents/convex-feature-builder.md
Files: agents/convex-feature-builder.md · reported by agentshield
1 agents-oversized-prompt-agents/unit-test-writer.md
Files: agents/unit-test-writer.md · reported by agentshield
1 MANIFEST_INVALID_NAME
Files: /repo/.design-sync/SKILL.md · reported by cisco-skill-scanner
1 OVERSIZED_FILE
Files: /repo/coverage-output.json · reported by cisco-skill-scanner