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Enhanced Skills MCP Server with progressive disclosure and token efficiency
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.
9 critical findings reported by cisco-skill-scanner, agent-audit-kit, 3 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/ivanenev/skills-server, 444 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- @skills-server/mcp
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
6 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 · 0.7s
v2.0.11
26 findings · 8.9s
v0.3.74
20 findings · 1.8s
v0.1.0
0 findings · 4.0s
v0.1.0
30 findings · 4.0s
v0.1.0
0 findings · 8.6s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
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 21, 2026 | Scan Halted | — | agentshield: completecisco-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 78 findings across every scanner that examined this package. 6 of 9 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.
22 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, AAK-ANTHROPIC-SDK-001, FILE_MAGIC_MISMATCH and 1 more · Files: /repo/test_concurrency.js, /repo/test_hot_reload.js, /repo/test_memory_leaks.js and 17 more · reported by cisco-skill-scanner, agent-audit-kit
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.
30 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/CONFIGURATION.md, /repo/INSTALLATION.md, /repo/README.md and 2 more · reported by nerlo-install-instruction
6 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/create-chart.js, /repo/test-comparison.js, /repo/validation-test.js and 3 more · reported by cisco-skill-scanner
4 AAK-ANTHROPIC-SDK-001
Files: measure-progressive-tokens.js, test-comparison.js, tool_diagnostic.js and 1 more · reported by agent-audit-kit
2 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/quick_validation.js, /repo/test-bridge.js · reported by cisco-skill-scanner
2 FILE_MAGIC_MISMATCH
Files: /repo/test-bridge.js, /repo/quick_validation.js · reported by cisco-skill-scanner
2 MANIFEST_MISSING_LICENSE
Files: /repo/SKILL.md, /repo/skills/SKILL.md · reported by cisco-skill-scanner
1
Critical command injection vulnerabilities detected
The artifact contains critical command injection vulnerabilities, specifically in `src/index.ts` and `/repo/quick_validation.js`, which could allow shell execution. High severity findings include potential credential access in `simple-test.js` and network egress via DNS rebinding in `package.json`. Additionally, the artifact uses the Anthropic SDK in multiple files, indicating potential interaction with external AI services.
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.
Files: package.json · reported by agent-audit-kit
1 AAK-LEGAL-001
Files: package.json · reported by agent-audit-kit
1 AAK-MCP-STDIO-CMD-INJ-002
Files: src/index.ts · reported by agent-audit-kit
1 AAK-OAUTH-3P-001
Files: package.json · reported by agent-audit-kit
1 AAK-SEC-MD-001
Files: SECURITY.md · reported by agent-audit-kit
1 AAK-SECRET-004
Files: simple-test.js · reported by agent-audit-kit
1 LOW_ANALYZABILITY
Files: /repo · reported by cisco-skill-scanner
1 skills-missing-governance-skills/direct-tools-access-guide.md
Files: skills/direct-tools-access-guide.md · reported by agentshield
1 skills-missing-telemetry-skills/direct-tools-access-guide.md
Files: skills/direct-tools-access-guide.md · reported by agentshield
1 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md · reported by cisco-skill-scanner