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Guides the process of designing and creating autonomous agents, detailing structure, system prompts, triggering conditions, and development best practices.
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.
58 critical findings reported by cisco-skill-scanner, agent-audit-kit, 52 of them in the installed artifact. 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 -- 'avatar-arts/all-agent-skills (agent-creation-guidance)'
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- 'avatar-arts/all-agent-skills (agent-creation-guidance)' ~/.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
1635 findings · 139.3s
v0.3.74
83 findings · 29.4s
v0.1.0
2 findings · 17.8s
v0.1.0
160 findings · 17.8s
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 · 1.0s
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 1,880 findings across every scanner that examined this package. 6 of 58 findings rated critical by their scanner were among the dismissals.
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.
135 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: YARA_coercive_injection_generic, YARA_capability_inflation_generic, TOOL_ABUSE_UNDECLARED_NETWORK and 2 more · Files: /repo/docs/inventories/SKILL.md, /repo/docs/inventories/codex-apps-capability-inventory-2026-08-18.csv, /repo/docs/inventories/codex-apps-capability-inventory-2026-08-18.md and 11 more · reported by cisco-skill-scanner
16 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_EXECUTABLE_SCRIPT, FILE_MAGIC_MISMATCH, AAK-OAUTH-005 · Files: /repo/skills/.system/plugin-creator/tests/test_plugin_creator.py, /repo/skills/creative/structured-asset-pipeline/tests/fixtures/mock-run/specs/01-image-raccoon.yaml, /repo/skills/creative/structured-asset-pipeline/tests/fixtures/sample-unit-audio.yaml and 2 more · reported by cisco-skill-scanner, agent-audit-kit
1 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-HEALTHCARE-AI-004 · Files: skills/creative/popular-web-designs/templates/claude.md · reported by agent-audit-kit
1 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: MANIFEST_INVALID_NAME · Files: /repo/skills/taste-skill/.github/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.
472 MANIFEST_MISSING_LICENSE
Files: /repo/agents/skill-creator/SKILL.md, /repo/agents/skill-installer/SKILL.md, /repo/agents/skill-porter/simple-claude-skill/SKILL.md and 469 more · reported by cisco-skill-scanner
248 YARA_code_execution_generic
Files: /repo/skills/evaluating-llms-harness/SKILL.md, /repo/skills/mlops/evaluation/lm-evaluation-harness/SKILL.md · reported by cisco-skill-scanner
202 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/skills/SKILL.md, /repo/agents/deep-learning/SKILL.md and 199 more · reported by cisco-skill-scanner
140 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/agents/5-misc-personal/revenue-optimizer.md, /repo/agents/5-misc-personal/xeo-strategist.md, /repo/agents/revenue-optimizer.md and 21 more · reported by nerlo-install-instruction
98 UNANALYZABLE_BINARY
Files: /repo/skills/media-use/audio/assets/sfx/chime.mp3, /repo/skills/media-use/audio/assets/sfx/glitch-3.mp3, /repo/skills/media-use/audio/assets/sfx/glitch-2.mp3 and 22 more
The model could have called any of these a false positive and did not.
3 YARA_prompt_injection_unicode_steganography
Files: /repo/skills/taste-skill/examples/floria-top.webp · reported by cisco-skill-scanner
Artifact contains critical command injection and data exfiltration risks.
The artifact includes code that can execute shell commands, specifically in `hermes-integration/index.js`, and is susceptible to generic command injection. It also has capabilities for prompt injection in `plugin-creator/references/installing-and-updating.md` and SQL injection in `ccxt-php/SKILL.md`. Furthermore, the artifact can perform file system access for data exfiltration and has a high risk of exposing secrets via network egress.
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.
90 FILE_MAGIC_MISMATCH
Files: /repo/skills/hyperframes-creative/frame-presets/biennale-yellow/caption-skin.html, /repo/skills/hyperframes-creative/frame-presets/blockframe/caption-skin.html, /repo/skills/hyperframes-creative/frame-presets/blue-professional/caption-skin.html and 24 more · reported by cisco-skill-scanner
81 BINARY_FILE_DETECTED
Files: /repo/skills/media-use/audio/assets/sfx/typing.mp3, /repo/skills/media-use/audio/assets/sfx/whoosh.mp3, /repo/skills/media-use/audio/assets/sfx/chime.mp3 and 18 more · reported by cisco-skill-scanner
78 HIDDEN_DATA_FILE
Files: /repo/skills/.system/skill-creator/assets/skill-creator-small.svg, /repo/skills/.system/skill-creator/references/openai_yaml.md, /repo/skills/comic/.skillfish.json and 35 more · reported by cisco-skill-scanner
60 PIPELINE_TAINT_FLOW
Files: /repo/skills/creative/comfyui/SKILL.md, /repo/skills/apple/macos-computer-use/SKILL.md, /repo/skills/creative/comfyui/references/SKILL.md and 15 more · reported by cisco-skill-scanner
44 AAK-HEALTHCARE-AI-004
Files: agents/brand-guardian.md, agents/3-contains-studio/brand-guardian.md, skills/general-video/SKILL.md and 41 more · reported by agent-audit-kit
23 LOW_ANALYZABILITY
Files: /repo/skills/remotion-best-practices/remotion-maps/techniques/maptiler, /repo/skills/remotion-best-practices/remotion-markup/remotion-maps/techniques/maptiler, /repo/skills/remotion-to-hyperframes and 20 more · reported by cisco-skill-scanner
20 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/skills/embedded-captions/modes/standard/fonts/build-fonts-css.cjs, /repo/skills/writing-skills/render-graphs.js · reported by cisco-skill-scanner
19 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/skills/writing-skills/render-graphs.js, /repo/skills/hermes-integration/index.js, /repo/skills/motion-graphics/categories/maps/bake-basemap.mjs · reported by cisco-skill-scanner
16 DATA_EXFIL_JS_NETWORK
Files: /repo/skills/motion-graphics/categories/maps/bake-basemap.mjs, /repo/skills/motion-graphics/grounding/locate.mjs, /repo/skills/remotion-to-hyperframes/assets/test-corpus/tier-4-escape-hatch/cases/03-async-metadata.tsx and 1 more · reported by cisco-skill-scanner
15 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/skills/apple/macos-computer-use/SKILL.md, /repo/skills/autonomous-ai-agents/hermes-agent/SKILL.md, /repo/skills/axolotl/references/other.md and 11 more · reported by nerlo-install-instruction
9 EXCESSIVE_FILE_COUNT
Files: /repo/skills/., /repo/skills/music-to-video/., /repo/agents/. and 6 more · reported by cisco-skill-scanner
9 YARA_command_injection_generic
Files: /repo/skills/software-development/python-debugpy/SKILL.md · reported by cisco-skill-scanner
9 YARA_prompt_injection_generic
Files: /repo/skills/higgsfield-generate/references/workflows.md, /repo/skills/.system/plugin-creator/references/installing-and-updating.md, /repo/skills/higgsfield-generate/references/SKILL.md · reported by cisco-skill-scanner
8 YARA_prompt_injection_unicode_steganography
Files: /repo/skills/music-to-video/references/templates/held-text-strobe-burst/assets/texture-mask-text/masks/fabric-083.png, /repo/skills/music-to-video/references/templates/held-text-strobe-burst/assets/texture-mask-text/masks/carpet.png · reported by cisco-skill-scanner
7 AAK-IPI-WILD-CORPUS-001
Files: skills/github/github-code-review/SKILL.md, skills/github/github-repo-management/SKILL.md, skills/github/github-auth/SKILL.md and 3 more · reported by agent-audit-kit
7 AAK-SKILL-001
Files: skills/belt/SKILL.md, skills/setup-tooluniverse/SKILL.md, skills/mcporter/SKILL.md and 4 more · reported by agent-audit-kit
6 AAK-MARKETPLACE-001
Files: agents/skill-porter/before-after/api-connector-converted/REFERENCE.claude-plugin/marketplace.json, agents/skill-porter/before-after/code-formatter-converted/REFERENCE.claude-plugin/marketplace.json, agents/skill-porter/simple-claude-skill/REFERENCE.claude-plugin/marketplace.json and 3 more · reported by agent-audit-kit
6 YARA_autonomy_abuse_generic
Files: /repo/skills/creative/comfyui/workflows/SKILL.md, /repo/skills/creative/comfyui/references/SKILL.md · reported by cisco-skill-scanner
5 AAK-SKILL-003
Files: skills/ccxt-typescript/SKILL.md, skills/build-mcp-app/SKILL.md, skills/autonomous-ai-agents/hermes-agent/SKILL.md and 2 more · reported by agent-audit-kit
5 PDF_STRUCTURAL_THREAT
Files: /repo/skills/ml-paper-writing/templates/colm2025/colm2025_conference.pdf · reported by cisco-skill-scanner
4 opt.nerlo-rules.nerlo-install-fetch-raw-then-run
Files: /repo/skills/autonomous-ai-agents/hermes-agent/SKILL.md, /repo/skills/hermes-agent-spawning/SKILL.md, /repo/skills/higgsfield-generate/SKILL.md and 1 more · reported by nerlo-install-instruction
4 PROMPT_INJECTION_CONCEALMENT
Files: /repo/skills/creative/structured-asset-pipeline/references/hard-rules.md, /repo/skills/.system/plugin-creator/SKILL.md, /repo/skills/creative/structured-asset-pipeline/references/SKILL.md and 1 more · reported by cisco-skill-scanner
4 TOOL_ABUSE_UNDECLARED_NETWORK
Files: /repo/skills/creative/comfyui/repo/skills/creative/comfyui/SKILL.md, /repo/repo/README.md, /repo/skills/repo/skills/README.md and 1 more · reported by cisco-skill-scanner
4 YARA_capability_inflation_generic
Files: /repo/skills/creative/ascii-art/SKILL.md · reported by cisco-skill-scanner
4 YARA_tool_chaining_abuse_generic
Files: /repo/skills/github/github-repo-management/SKILL.md · reported by cisco-skill-scanner
3 AAK-LEGAL-002
Files: skills/remotion-to-hyperframes/assets/test-corpus/tier-3-data-driven/remotion-src/package.json, skills/remotion-to-hyperframes/assets/test-corpus/tier-2-multi-scene/remotion-src/package.json, skills/remotion-to-hyperframes/assets/test-corpus/tier-1-title-card/remotion-src/package.json · reported by agent-audit-kit
3 AAK-SKILL-005
Files: agents/skill-porter/simple-claude-skill/SKILL.md, skills/red-teaming/godmode/SKILL.md, skills/skill-porter-examples/simple-claude-skill/SKILL.md · reported by agent-audit-kit
3 ASSET_PROMPT_INJECTION
Files: /repo/skills/red-teaming/godmode/templates/prefill.json · reported by cisco-skill-scanner
3 MANIFEST_INVALID_NAME
Files: /repo/skills/creative/claude-design/SKILL.md, /repo/skills/claude-md-improver/SKILL.md, /repo/skills/creative/design-md/templates/SKILL.md · reported by cisco-skill-scanner
3 YARA_sql_injection_generic
Files: /repo/skills/ccxt-php/SKILL.md · reported by cisco-skill-scanner
2 AAK-OAUTH-008
Files: agents/skill-porter/before-after/api-connector-converted/REFERENCE.claude-plugin/marketplace.json, skills/skill-porter-examples/before-after/api-connector-converted/REFERENCE.claude-plugin/marketplace.json · reported by agent-audit-kit
2 AAK-STATE-PRIVACY-001
Files: agents/legal-compliance-checker.md, agents/3-contains-studio/legal-compliance-checker.md · reported by agent-audit-kit
2 AAK-STATE-PRIVACY-002
Files: agents/legal-compliance-checker.md, agents/3-contains-studio/legal-compliance-checker.md · reported by agent-audit-kit
1 LAZY_LOAD_DEEP_NESTING
Files: /repo/skills/hyperframes-animation/rules/SKILL.md · reported by cisco-skill-scanner
1 opt.nerlo-rules.nerlo-dynamic-exec
Files: /repo/skills/hermes-integration/index.js · reported by nerlo-behavioral
1 opt.nerlo-rules.nerlo-install-shell-inline-command
Files: /repo/skills/cua-driver/README.md · reported by nerlo-install-instruction
1 opt.nerlo-rules.nerlo-js-secret-to-network-egress
Files: /repo/skills/motion-graphics/grounding/locate.mjs · reported by nerlo-behavioral
1 SOCIAL_ENG_ANTHROPIC_IMPERSONATION
Files: /repo/skills/claude-code/SKILL.md · reported by cisco-skill-scanner
1 SOCIAL_ENG_MISLEADING_DESC
Files: /repo/skills/creative/SKILL.md · reported by cisco-skill-scanner
Showing 25 of 144; the rest are in the per-scanner reports above.