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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.
13 critical findings reported by cisco-skill-scanner, 0 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 -- @cjthompson/claude-code-config
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- @cjthompson/claude-code-config ~/.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
6 findings · 1.1s
v2.0.11
149 findings · 17.6s
v0.3.74
21 findings · 8.1s
v0.1.0
0 findings · 4.9s
v0.1.0
2 findings · 4.9s
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
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 ·!: 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 178 findings across every scanner that examined this package. 13 of 13 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.
47 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, SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_MISSING_LICENSE and 1 more · Files: /repo/tests/plugins/textual/SKILL.md, /repo/tests/SKILL.md, /repo/tests/packages/statusline/SKILL.md and 21 more · reported by cisco-skill-scanner, nerlo-install-instruction
30 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: COMMAND_INJECTION_JS_CHILD_PROCESS, COMMAND_INJECTION_EVAL, COMMAND_INJECTION_SHELL_TRUE and 4 more · Files: /repo/tests/plugins/typescript-development/compiler-fixtures.test.mjs, /repo/tests/plugins/typescript-development/lsp.test.mjs, /repo/tests/plugins/python-scripting/harness/prepare_run.py and 11 more · reported by cisco-skill-scanner, agent-audit-kit
3 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: TOOL_ABUSE_UNDECLARED_NETWORK · Files: /repo/repo/AGENTS.md, /repo/tests/repo/tests/README.md, /repo/tests/plugins/python-scripting/repo/tests/plugins/python-scripting/green-responses.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.
42 MANIFEST_MISSING_LICENSE
Files: /repo/packages/skill-testing/SKILL.md, /repo/plugins/textual/skills/textual-api-reference/SKILL.md, /repo/plugins/textual/skills/textual-css-reference/SKILL.md and 39 more · reported by cisco-skill-scanner
16 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/packages/statusline/SKILL.md, /repo/packages/claude-optin/SKILL.md and 13 more · reported by cisco-skill-scanner
14 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json, .agents/plugins/marketplace.json · reported by agent-audit-kit
10 HIDDEN_DATA_FILE
Files: /repo/plugins/typescript-development/.codex-plugin/plugin.json, /repo/plugins/python-scripting/.lsp.json, /repo/plugins/typescript-development/.cursor-plugin/plugin.json and 7 more · reported by cisco-skill-scanner
2 AAK-LEGAL-002
Files: package.json, packages/installer/package.json · reported by agent-audit-kit
Artifact has high-severity marketplace findings and network egress.
The artifact contains high-severity findings related to marketplace interactions in multiple files, including `.agents/plugins/marketplace.json` and `.claude-plugin/marketplace.json`. It also exhibits network egress capabilities, specifically identified as data exfiltration over the network. Additionally, the artifact has multiple medium-severity findings indicating potential for shell execution and privileged operations, such as missing deny rules for `/dev/`, `chmod 777`, `ssh`, `rm -rf`, and `sudo` commands. These capabilities warrant careful review before installation.
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.
2 DATA_EXFIL_JS_NETWORK
Files: /repo/plugins/python-development/scripts/sync-typing-references.mjs, /repo/plugins/typescript-development/scripts/sync-typescript-references.mjs · reported by cisco-skill-scanner
2 MANIFEST_INVALID_NAME
Files: /repo/plugins/typescript-development/vendor/typescript-website/handbook-v2/Type Manipulation/SKILL.md, /repo/plugins/output-styles/output-styles/SKILL.md · reported by cisco-skill-scanner
1 ASSET_PROMPT_INJECTION
Files: /repo/plugins/python-development/vendor/tighten-types/tighten-types.md.txt · reported by cisco-skill-scanner
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 FILE_MAGIC_MISMATCH
Files: /repo/plugins/python-development/vendor/tighten-types/tighten-types.md.txt · reported by cisco-skill-scanner
1 hooks-no-pretooluse
Files: settings.json · reported by agentshield
1 MANIFEST_DESCRIPTION_TOO_LONG
Files: /repo/plugins/lean-agents/agents/SKILL.md · reported by cisco-skill-scanner
1 permissions-missing-deny->-/dev/
Files: settings.json · reported by agentshield
1 permissions-missing-deny-chmod-777
Files: settings.json · reported by agentshield
1 permissions-missing-deny-rm--rf
Files: settings.json · reported by agentshield
1 permissions-missing-deny-ssh
Files: settings.json · reported by agentshield
1 permissions-missing-deny-sudo
Files: settings.json · reported by agentshield