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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.
1 critical finding reported by agent-audit-kit, 0 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
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/openbootdotdev/openboot, 117 findings
Claude Skills install to a single target, no runtime picker.
nerlo install -- openboot
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- openboot ~/.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
2 findings · 0.6s
v2.0.11
45 findings · 8.4s
v0.3.74
13 findings · 4.3s
v0.1.0
4 findings · 5.1s
v0.1.0
21 findings · 5.1s
vv0.3.2
Incomplete run
0 findings · 2.7s
v0.1.0
0 findings · 10.1s
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 ·!: incompletenerlo-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 85 findings across every scanner that examined this package. 1 of 1 finding rated critical by their scanner was among the dismissals.
Not reviewed is not the same as clean. Those 3 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.
13 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: opt.nerlo-rules.nerlo-install-pipe-to-shell, PIPELINE_TAINT_FLOW, MANIFEST_MISSING_LICENSE and 1 more · Files: /repo/.github/required-checks.txt, /repo/AGENTS.md, /repo/docs/HARNESS.md and 3 more · reported by nerlo-install-instruction, cisco-skill-scanner
7 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: PIPELINE_TAINT_FLOW, opt.nerlo-rules.nerlo-go-dynamic-exec · Files: /repo/internal/archtest/installsh_test.go, /repo/test/integration/install_script_test.go, /repo/testutil/machost.go and 1 more · reported by cisco-skill-scanner, nerlo-behavioral
6 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-AGENT-TRUST-002, AAK-GHA-IMMUTABLE-001 · Files: .github/workflows/claude.yml, .github/workflows/claude-code-review.yml, .github/workflows/test.yml and 1 more · reported by agent-audit-kit
5 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-AGENT-001, opt.nerlo-rules.nerlo-install-run-bundled-artifact · Files: AGENTS.md, /repo/AGENTS.md · reported by agent-audit-kit, nerlo-install-instruction
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.
10 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/.agents/skills/architecture-review/SKILL.md, /repo/README.md, /repo/THREAT_MODEL.md and 1 more · reported by nerlo-install-instruction
9 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/architecture-review/SKILL.md, /repo/.claude/skills/bootstrap-feature/SKILL.md, /repo/.agents/skills/architecture-review/SKILL.md and 6 more · reported by cisco-skill-scanner
8 PIPELINE_TAINT_FLOW
Files: /repo/scripts/install.sh, /repo/SKILL.md, /repo/README.md · reported by cisco-skill-scanner
5 HIDDEN_DATA_FILE
Files: /repo/.agents/skills/bootstrap-feature/SKILL.md, /repo/.agents/skills/ship-pr/SKILL.md, /repo/.agents/skills/ship-pr/agents/openai.yaml and 2 more · reported by cisco-skill-scanner
5 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/internal/snapshot/SKILL.md, /repo/internal/archtest/SKILL.md and 2 more · reported by cisco-skill-scanner
3 The model did not answer for these findings.
Rules: AAK-AGENT-TRUST-001, SOCIAL_ENG_VAGUE_DESCRIPTION · Files: .github/workflows/claude-code-review.yml, /repo/.github/SKILL.md, /repo/docs/SKILL.md · reported by agent-audit-kit, cisco-skill-scanner
Artifact performs dynamic shell execution and credential access
The artifact contains code that can perform dynamic shell execution within `/repo/internal/installer/step_system.go`. It also includes an exposed secret in `internal/config/validate.go` which could lead to credential access. Additionally, the artifact's installation instructions in multiple files suggest piping to shell, which can execute arbitrary commands.
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.
3 opt.nerlo-rules.nerlo-install-shell-inline-command
Files: /repo/THREAT_MODEL.md, /repo/internal/installer/installer.go, /repo/scripts/install.sh · reported by nerlo-install-instruction
1 AAK-IPI-WILD-CORPUS-001
Files: THREAT_MODEL.md · reported by agent-audit-kit
1 AAK-SECRET-004
Files: internal/config/validate.go · reported by agent-audit-kit
1 BINARY_FILE_DETECTED
Files: /repo/demo.webm · reported by cisco-skill-scanner
1 COMPOUND_FETCH_EXECUTE
Files: /repo/README.md · reported by cisco-skill-scanner
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 hooks-no-pretooluse
Files: settings.json · reported by agentshield
1 opt.nerlo-rules.nerlo-go-dynamic-exec
Files: /repo/internal/installer/step_system.go · reported by nerlo-behavioral
1 opt.nerlo-rules.nerlo-go-hardcoded-external-egress
Files: /repo/internal/updater/updater.go · reported by nerlo-behavioral
1 permissions-no-block
Files: settings.json · reported by agentshield
1 UNANALYZABLE_BINARY
Files: /repo/demo.webm · reported by cisco-skill-scanner
1 YARA_prompt_injection_unicode_steganography
Files: /repo/demo.webm · reported by cisco-skill-scanner