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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.
34 critical findings reported by cisco-skill-scanner. 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 -- btd-knowledge-engine
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- btd-knowledge-engine ~/.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
14 findings · 1.0s
v2.0.11
302 findings · 116.6s
v0.3.74
29 findings · 25.5s
v0.1.0
13 findings · 9.3s
v0.1.0
1 finding · 9.3s
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 · 1.7s
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 ·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 359 findings across every scanner that examined this package. None of the 34 findings rated critical by their scanner were dismissed.
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.
2 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 · 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.
66 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/scripts/add-creator.js, /repo/scripts/batch-ingest.js, /repo/scripts/compile-wiki.js and 15 more · reported by cisco-skill-scanner
66 YARA_capability_inflation_generic
Files: /repo/.leann/indexes/btd-btd/documents.leann.passages.jsonl, /repo/btd/raw/youtube/mark-kashef/undated-the-complete-beginner-s-guide-to-claude-code-even-if-you-re-not-technical.md, /repo/btd/raw/youtube/mark-kashef/SKILL.md and 6 more · reported by cisco-skill-scanner
60 MANIFEST_MISSING_LICENSE
Files: /repo/.claude/skills/btd-intake/SKILL.md, /repo/.claude/skills/wiki-compiler/SKILL.md, /repo/.claude/skills/btd-reentry/SKILL.md and 57 more · reported by cisco-skill-scanner
50 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/question-bank/SKILL.md, /repo/template/SKILL.md and 47 more · reported by cisco-skill-scanner
27 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/scripts/index.js, /repo/scripts/ingest-podcast.js, /repo/scripts/ingest-repo.js and 7 more · reported by cisco-skill-scanner
25 AAK-HEALTHCARE-AI-004
Artifact performs shell execution and file system operations.
The artifact contains multiple instances of shell command execution, particularly in JavaScript files such as `/repo/bin/btd.js` and various scripts under `/repo/scripts/`. It also exhibits extensive file system access, indicating capabilities for reading or writing data. Additionally, there are findings related to coercive injection in markdown files, which could influence how the artifact processes external input.
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.
13 opt.nerlo-rules.nerlo-dynamic-exec
Files: /repo/scripts/index.js, /repo/scripts/ingest-podcast.js, /repo/scripts/ingest-repo.js and 3 more · reported by nerlo-behavioral
10 BINARY_FILE_DETECTED
Files: /repo/.leann/indexes/btd-btd/sync_d4203ba11d71.pickle, /repo/.leann/indexes/btd-btd/sync_58832253e2bf.pickle, /repo/.leann/indexes/btd-btd/sync_570e19d76a65.pickle and 7 more · reported by cisco-skill-scanner
7 FILE_MAGIC_MISMATCH
Files: /repo/btd/raw/articles/paul-graham/undated-makersschedule.md, /repo/btd/raw/articles/paul-graham/undated-hs.md, /repo/btd/raw/articles/james-clear/undated-habit-loop.md and 1 more · reported by cisco-skill-scanner
7 YARA_coercive_injection_generic
Files: /repo/btd/raw/youtube/mark-kashef/SKILL.md, /repo/btd/raw/youtube/andrej-karpathy/SKILL.md, /repo/btd/raw/youtube/nate-jones/SKILL.md · reported by cisco-skill-scanner
2 EXCESSIVE_FILE_COUNT
Files: /repo/., /repo/btd/wiki/. · reported by cisco-skill-scanner
2 hooks-no-pretooluse
Files: settings.json, .claude/settings.json · reported by agentshield
2 LOW_ANALYZABILITY
Files: /repo/template/raw, /repo/template · reported by cisco-skill-scanner
2 permissions-no-deny-list
Files: settings.json, .claude/settings.json · reported by agentshield
2 permissions-permissive-Bash(node scripts/*)
Files: settings.json, .claude/settings.json · reported by agentshield
1 AAK-HEALTHCARE-AI-005
Files: btd/raw/youtube/andrew-huberman/undated-how-to-learn-better-and-create-your-best-future-tim-ferriss.md · reported by agent-audit-kit
1 AAK-IPI-WILD-CORPUS-001
Files: btd/raw/youtube/nate-jones/undated-openclaw-160-000-developers-are-building-something-openai-google-can-t-stop-wher.md · reported by agent-audit-kit
1 AAK-TRUST-004
Files: .claude/settings.json · reported by agent-audit-kit
1 AAK-TRUST-006
Files: .claude/settings.json · reported by agent-audit-kit
1 ASSET_PROMPT_INJECTION
Files: /repo/btd/registry/catalogs/andrej-karpathy-twitter.json · reported by cisco-skill-scanner
1 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/btd/raw/articles/lenny-rachitsky/2026-03-31-openclaw-the-complete-guide-to-building-training-and-living-with-your-personal-a.md · reported by nerlo-install-instruction
1 OVERSIZED_FILE
Files: /repo/.leann/indexes/btd-btd/documents.leann.passages.jsonl · reported by cisco-skill-scanner
1 PIPELINE_TAINT_FLOW
Files: /repo/.leann/indexes/btd-btd/documents.leann.passages.jsonl · reported by cisco-skill-scanner
1 skills-missing-governance-.claude/skills/content-curator.md
Files: .claude/skills/content-curator.md · reported by agentshield
1 skills-missing-governance-.claude/skills/source-setup.md
Files: .claude/skills/source-setup.md · reported by agentshield
1 skills-missing-governance-skills/content-curator.md
Files: skills/content-curator.md · reported by agentshield
1 skills-missing-governance-skills/source-setup.md
Files: skills/source-setup.md · reported by agentshield
1 skills-missing-telemetry-.claude/skills/content-curator.md
Files: .claude/skills/content-curator.md · reported by agentshield
1 skills-missing-telemetry-.claude/skills/source-setup.md
Files: .claude/skills/source-setup.md · reported by agentshield
1 skills-missing-telemetry-skills/content-curator.md
Files: skills/content-curator.md · reported by agentshield
1 skills-missing-telemetry-skills/source-setup.md
Files: skills/source-setup.md · reported by agentshield
Showing 25 of 122; the rest are in the per-scanner reports above.