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Measure where a formal library spends its axioms: Lean 4 and Metamath.
The publisher performed an authenticated act of publication — proving control of a namespace in the official MCP registry, or appearing in a first-party catalogue an operator curates. That establishes WHO published it. It is not a security finding, and attested artifacts carry Flagged verdicts too.
2 critical findings reported by cisco-skill-scanner. The composite score alone does not reflect this — read the per-scanner reports below.
pypi: gonzalgo @ 0.5.5, 0 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- gonzalgo
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
20 findings · 11.6s
v0.3.74
3 findings · 6.4s
v0.1.0
1 finding · 4.4s
v0.1.0
0 findings · 4.4s
v0.1.0
0 findings · 7.1s
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 · 0.1s
v0.71.0
No dependency manifest or lockfile was found in this artifact. What each scanner covers
0 findings · 0.2s
v2.3.8
No dependency manifest or lockfile was found in this artifact. What each scanner covers
0 findings · 0.1s
v0.71.0
No container image was published for this artifact. What each scanner covers
0 findings · 0.0s
vv1.6.0
No Go modules were found in this artifact. What each scanner covers
0 findings · 0.1s
2 scans on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 26, 2026 | Flagged66 | Clean → Flagged | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: completetrivy ·n/a: not applicableosv-scanner ·n/a: not applicabletrivy_image ·n/a: not applicablegovulncheck ·n/a: not applicable | completed |
| Aug 9, 2026 | Clean98 | — | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicabletrivy ·n/a: not applicableosv-scanner ·n/a: not applicabletrivy_image ·n/a: not applicablegovulncheck ·n/a: not applicable | completed |
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 24 findings across every scanner that examined this package. None of the 2 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/examples/adopt/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.
6 MANIFEST_MISSING_LICENSE
Files: /repo/skills/lean-generated-proof-audit/SKILL.md, /repo/skills/lean-axiom-provenance/SKILL.md, /repo/SKILL.md and 3 more · reported by cisco-skill-scanner
4 DATA_EXFIL_NETWORK_REQUESTS
Files: /repo/analysis/mathlib/state_of_gonzalgo.py · reported by cisco-skill-scanner
3 HIDDEN_DATA_FILE
Files: /repo/.agents/plugins/marketplace.json, /repo/.codex-plugin/plugin.json, /repo/.zenodo.json · reported by cisco-skill-scanner
3 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/analysis/SKILL.md, /repo/measurements/SKILL.md · reported by cisco-skill-scanner
2 COMMAND_INJECTION_EVAL
Files: /repo/analysis/mathlib/sites2.py · reported by cisco-skill-scanner
1 AAK-MARKETPLACE-001
Files: .agents/plugins/marketplace.json · reported by agent-audit-kit
1 AAK-MARKETPLACE-004
Files: .agents/plugins/marketplace.json · reported by agent-audit-kit
1 AAK-SUPPLY-004
Files: pyproject.toml · reported by agent-audit-kit
1 opt.nerlo-rules.nerlo-py-dynamic-exec
Files: /repo/analysis/mathlib/sites2.py · reported by nerlo-behavioral
Critical command injection and dynamic execution risks identified
Critical command injection vulnerabilities are present in `/repo/analysis/mathlib/sites2.py`, which also contains high-severity dynamic code execution capabilities. Additionally, high-severity findings related to marketplace plugin configuration are noted in `.agents/plugins/marketplace.json`. These capabilities could allow for arbitrary code execution and modification of plugin behavior.
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.