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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.
11 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 -- 'lfr-ai/copier-fullstack-template (clean-architecture)'
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- 'lfr-ai/copier-fullstack-template (clean-architecture)' ~/.claude/skills/
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
5 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
Incomplete run
0 findings · 0.7s
v2.0.11
304 findings · 21.2s
v0.3.74
50 findings · 6.9s
v0.1.0
0 findings · 4.8s
v0.1.0
15 findings · 4.8s
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 · 0.8s
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 ·!: incompletecisco-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 369 findings across every scanner that examined this package. None of the 11 findings rated critical by their scanner were dismissed.
Not reviewed is not the same as clean. Those 26 findings stand exactly as their scanners reported them, at full severity, as they would have without this review.
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.
65 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: FILE_MAGIC_MISMATCH, PIPELINE_TAINT_FLOW, HIDDEN_DATA_FILE and 2 more · Files: /repo/docs/features/backend-runtime-and-api-template.md, /repo/template/docs/ONBOARDING.md.jinja, /repo/template/.azuredevops/{% if vcs_platform == 'azuredevops' %}README.md{% endif %}.jinja and 54 more · reported by cisco-skill-scanner
38 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, HIDDEN_DATA_FILE · Files: .github/workflows/dependency-review.yml, .github/workflows/ci.yml, .github/workflows/codeql.yml and 18 more · reported by agent-audit-kit, 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-002, AAK-HEALTHCARE-AI-004, AAK-AGENT-001 · Files: AGENTS.md, .claude/CLAUDE.md, .github/copilot-instructions.md and 1 more · reported by agent-audit-kit
4 Placeholder value — The matched literal is a placeholder or example — the kind of value a scanner reads as a secret and a human reads as a blank to fill in.
Rules: HIDDEN_DATA_FILE · Files: /repo/template/.env.local.example.jinja, /repo/template/frontend/.env.local.example.jinja, /repo/template/.env.example.jinja · reported by cisco-skill-scanner
2 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: FILE_MAGIC_MISMATCH · Files: /repo/template/frontend/tests/unit/lib/utils.property.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.
62 HIDDEN_DATA_FILE
Files: /repo/.lychee.toml, /repo/template/.lychee.toml, /repo/.hadolint.yaml and 35 more · reported by cisco-skill-scanner
55 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/quality-gate/SKILL.md, /repo/.claude/skills/ddd/SKILL.md, /repo/.claude/skills/ui-ux-frontend/SKILL.md and 52 more · reported by cisco-skill-scanner
36 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/.claude/skills/quality-gate/SKILL.md, /repo/.claude/skills/ddd/SKILL.md, /repo/.claude/skills/ui-ux-frontend/SKILL.md and 33 more · reported by cisco-skill-scanner
11 MANIFEST_INVALID_NAME
Files: /repo/.claude/commands/openspec/SKILL.md, /repo/template/.claude/commands/opsx/SKILL.md, /repo/template/.claude/commands/openspec/SKILL.md and 8 more · reported by cisco-skill-scanner
10 AAK-MCP-ATTEST-001
Files: .mcp.json, .claude/mcp.json · reported by agent-audit-kit
24 The model did not answer for these findings.
Rules: SOCIAL_ENG_VAGUE_DESCRIPTION · Files: /repo/.github/skills/quality-gate/SKILL.md, /repo/.github/skills/ui-ux-frontend/SKILL.md, /repo/.github/skills/testing-conventions/SKILL.md and 21 more · reported by cisco-skill-scanner
2 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: HIDDEN_DATA_FILE · Files: /repo/template/.env.example.jinja, /repo/template/.env.local.example.jinja · reported by cisco-skill-scanner
Artifact contains critical system modification and RCE capabilities
The artifact includes critical findings related to potential system modification and resource exhaustion within shell scripts, specifically in `/repo/.claude/hooks/scripts/guard-destructive.sh`. It also contains a critical remote code execution vulnerability in `template/.claude/hooks/guard-tool.sh` and a DNS rebinding vulnerability in `template/backend/src/.../client.py`, indicating network egress capabilities. Additionally, high severity findings point to installation instructions that pipe directly to a shell, which can lead to arbitrary code execution during setup.
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.
6 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/README.md, /repo/template/scripts/install/install-bun.zsh, /repo/template/scripts/install/install-container.zsh.jinja and 3 more · reported by nerlo-install-instruction
5 FILE_MAGIC_MISMATCH
Files: /repo/azure/README.md, /repo/caddy/README.md, /repo/copier.yml · reported by cisco-skill-scanner
5 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/template/README.md.jinja, /repo/template/scripts/install/install-all.ps1.jinja, /repo/template/scripts/install/install-all.zsh.jinja and 1 more · reported by nerlo-install-instruction
4 AAK-MCP-001
Files: .mcp.json, .claude/mcp.json · reported by agent-audit-kit
4 AAK-MCP-005
Files: .mcp.json, .claude/mcp.json · reported by agent-audit-kit
4 opt.nerlo-rules.nerlo-install-shell-inline-command
Files: /repo/template/scripts/install/install-task.zsh, /repo/template/scripts/install/install-wsl2.ps1, /repo/template/scripts/install/install-zsh.zsh · reported by nerlo-install-instruction
3 EXCESSIVE_FILE_COUNT
Files: /repo/template/., /repo/template/backend/src/{{ project_slug }}/{% if use_ai %}ai{% endif %}/., /repo/. · reported by cisco-skill-scanner
2 AAK-MCP-006
Files: .mcp.json, .claude/mcp.json · reported by agent-audit-kit
2 AAK-MCP-007
Files: .mcp.json, .claude/mcp.json · reported by agent-audit-kit
2 AAK-MCP-009
Files: .mcp.json, .claude/mcp.json · reported by agent-audit-kit
2 DATA_EXFIL_JS_NETWORK
Files: /repo/template/frontend/src/infrastructure/api/client.ts · reported by cisco-skill-scanner
2 PIPELINE_TAINT_FLOW
Files: /repo/README.md, /repo/SKILL.md · reported by cisco-skill-scanner
2 RESOURCE_ABUSE_FORK_BOMB
Files: /repo/.claude/hooks/scripts/guard-destructive.sh · reported by cisco-skill-scanner
2 TOOL_ABUSE_SYSTEM_MODIFICATION
Files: /repo/.claude/hooks/scripts/guard-destructive.sh · reported by cisco-skill-scanner
2 YARA_tool_chaining_abuse_generic
Files: /repo/template/{% if use_sftp %}docs{% endif %}/SSH_SFTP.md.jinja · reported by cisco-skill-scanner
1 AAK-DNS-REBIND-001
Files: template/backend/src/{{ project_slug }}/{% if use_ai %}ai{% endif %}/mcp/client.py · reported by agent-audit-kit
1 AAK-HOOK-RCE-001
Files: template/.claude/hooks/guard-tool.sh · reported by agent-audit-kit
1 AAK-SUPPLY-001
Files: .mcp.json · reported by agent-audit-kit
1 AAK-TRUST-001
Files: .claude/settings.json · reported by agent-audit-kit