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CodeAtlas analysis workflows are read-only; SessionStart maintains only the current worktree's .codegraph index and any required .gitignore. Route work through UNDERSTAND, TRACE, CHANGE or ASSESS; use the worktree-local CodeGraph index and label evidence as observed, inferred or unknown.
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.
2 critical findings reported by cisco-skill-scanner. 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/mc-and-his-agents/mc-agent-kit, 64 findings
Claude Skills install to a single target, no runtime picker.
nerlo install -- 'mc-and-his-agents/mc-agent-kit (code-atlas)'
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- 'mc-and-his-agents/mc-agent-kit (code-atlas)' ~/.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.
v2.0.11
50 findings · 19.2s
v0.3.74
2 findings · 7.6s
v0.1.0
0 findings · 7.3s
v0.1.0
4 findings · 7.3s
v0.1.0
0 findings · 10.9s
v1.4.0
None of the entry points this scanner reads were found in this artifact. What each scanner covers
0 findings · 0.3s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.2s
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 20, 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: 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 56 findings across every scanner that examined this package. None of the 2 findings rated critical by their scanner were dismissed.
Not reviewed is not the same as clean. Those 40 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.
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: SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_MISSING_LICENSE · Files: /repo/skills/dev/tasks-owner/evals/output/fixtures/SKILL.md · reported by cisco-skill-scanner
The model could have called any of these a false positive and did not.
6 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/plugins/code-atlas/scripts/code-atlas-hook.js · reported by cisco-skill-scanner
3 HIDDEN_DATA_FILE
Files: /repo/plugins/code-atlas/.codex-plugin/plugin.json, /repo/.agents/plugins/marketplace.json · reported by cisco-skill-scanner
2 AAK-MARKETPLACE-001
Files: .claude-plugin/marketplace.json, .agents/plugins/marketplace.json · reported by agent-audit-kit
2 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/plugins/code-atlas/scripts/code-atlas-hook.js · reported by cisco-skill-scanner
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
28 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: opt.nerlo-rules.nerlo-install-pipe-to-shell, PIPELINE_TAINT_FLOW, MANIFEST_MISSING_LICENSE and 1 more · Files: /repo/skills/skill-release/SKILL.md, /repo/skills/skill-release/assets/github-actions/changed-skill-release.yml, /repo/skills/skill-release/references/skillhub-release.md and 16 more · reported by nerlo-install-instruction, cisco-skill-scanner
12 The model did not answer for these findings.
Rules: SOCIAL_ENG_VAGUE_DESCRIPTION · Files: /repo/SKILL.md, /repo/plugins/code-atlas/SKILL.md, /repo/plugins/code-atlas/skills/code-atlas/references/SKILL.md and 9 more · reported by cisco-skill-scanner
Artifact allows shell execution and data egress.
The artifact contains code that permits shell execution via command injection in `/repo/plugins/code-atlas/scripts/code-atlas-hook.js`. It also has capabilities for file system access and potential data egress from the same JavaScript file. Additionally, there are multiple critical findings from the 'bearer' scanner in various Python scripts related to repository and skill release processes.
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.