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NPM Sentinel MCP - A powerful Model Context Protocol (MCP) server that revolutionizes NPM package analysis through AI. Built to integrate with Claude and Anthropic AI, it provides real-time intelligence on package security, dependencies, and performance.
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.
5 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.
npm: @nekzus/mcp-server @ 1.26.1, 0 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- @nekzus/mcp-server
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
8 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
0 findings · 0.5s
v2.0.11
28 findings · 7.7s
v0.3.74
8 findings · 3.2s
v0.1.0
2 findings · 5.1s
v0.1.0
0 findings · 5.1s
v0.1.0
0 findings · 10.2s
v0.71.0
15 findings · 0.3s
v2.3.8
51 findings · 8.7s
vv0.3.2
No Go packages were 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
5 scans on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 29, 2026 | Flagged43 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: completetrivy: completeosv-scanner: completetrivy_image ·n/a: not applicablegovulncheck ·n/a: not applicable | completed |
| Aug 1, 2026 | Flagged55 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: completetrivy: completeosv-scanner: complete | completed |
| Jul 31, 2026 | Flagged55 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: completetrivy: completeosv-scanner: completetrivy_image ·n/a: not applicable | completed |
| Jul 30, 2026 | Flagged52 | — | cisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: completetrivy: completeosv-scanner: completetrivy_image ·n/a: not applicable | completed |
| Jul 29, 2026 | Flagged56 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: completetrivy: completeosv-scanner: completetrivy_image ·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 104 findings across every scanner that examined this package. 5 of 5 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.
14 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, opt.nerlo-rules.nerlo-dynamic-exec, AAK-MCP-TOOLGATE-ASYMMETRY-001 and 3 more · Files: /repo/__tests__/full-e2e-pack-validation.js, /repo/__tests__/integration/dual-era-pack-e2e.test.ts, __tests__/integration/server-v2-init.test.ts · reported by cisco-skill-scanner, nerlo-behavioral, 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: SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_INVALID_NAME, MANIFEST_MISSING_LICENSE · Files: /repo/.github/SKILL.md · reported by cisco-skill-scanner
1 CI or editor configuration — The match is in build, CI or editor configuration, confirmed by our own check to be outside the installed artifact.
Rules: AAK-GHA-IMMUTABLE-001 · Files: .github/workflows/publish.yml · reported by 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.
5 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/index.ts, /repo/src/cache.ts, /repo/src/config.ts and 1 more · reported by cisco-skill-scanner
5 DATA_EXFIL_JS_NETWORK
Files: /repo/index.ts, /repo/src/http.ts, /repo/src/utils/fetch-retry.ts · reported by cisco-skill-scanner
4 GHSA-8xcm-r25x-g524
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
4 GHSA-m8rv-5g2x-5cg5
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
4 GHSA-v3r7-h72x-cjcm
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 CVE-2026-18446
Files: package-lock.json, pnpm-lock.yaml
High severity vulnerabilities and exposed secret found in installed code.
The artifact contains a high severity secret exposed in `index.ts`, which could lead to credential access. Additionally, multiple high severity vulnerabilities are present in dependencies listed in `package-lock.json` and `pnpm-lock.yaml`. These vulnerabilities could enable various impacts, including remote code execution or information disclosure.
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 CVE-2026-69207
Files: package-lock.json, pnpm-lock.yaml · reported by trivy
2 CVE-2026-71848
Files: package-lock.json, pnpm-lock.yaml · reported by trivy
2 CVE-2026-71849
Files: package-lock.json, pnpm-lock.yaml · reported by trivy
2 CVE-2026-71850
Files: package-lock.json, pnpm-lock.yaml · reported by trivy
2 GHSA-22jq-vg5j-6vgg
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 GHSA-2v37-7h3g-55p8
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 GHSA-4xrf-jv44-h6hh
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 GHSA-54fx-42gc-7vw4
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 GHSA-5p4m-2wfm-xmqj
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 GHSA-79qm-7rj5-m7r9
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 GHSA-7p8r-x3mc-p8w7
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 GHSA-8j4g-w8fx-2239
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 GHSA-f23p-vx2j-j53r
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
2 GHSA-frvp-7c67-39w9
Files: pnpm-lock.yaml, /repo/pnpm-lock.yaml · reported by trivy, osv-scanner
2 GHSA-mwp4-54f8-5fhr
Files: /repo/package-lock.json, /repo/pnpm-lock.yaml · reported by osv-scanner
1 AAK-MCP-018
Files: src/resources/index.ts · reported by agent-audit-kit
1 AAK-MCP-SSRF-001
Files: index.ts · reported by agent-audit-kit
1 AAK-SECRET-004
Files: index.ts · reported by agent-audit-kit
1 AAK-SUPPLY-003
Files: package.json · reported by agent-audit-kit
1 AAK-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 CVE-2026-16221
Files: pnpm-lock.yaml · reported by trivy
1 CVE-2026-54272
Files: pnpm-lock.yaml · reported by trivy
1 CVE-2026-69192
Files: pnpm-lock.yaml · reported by trivy
1 CVE-2026-69198
Files: pnpm-lock.yaml · reported by trivy
1 FILE_MAGIC_MISMATCH
Files: /repo/llms-full.txt · reported by cisco-skill-scanner
1 GHSA-28wg-ghj8-5hjv
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 GHSA-2mjp-6q6p-2qxm
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-35p6-xmwp-9g52
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-4992-7rv2-5pvq
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-4cwx-7wf7-3272
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 GHSA-fxqj-rqcc-2cmp
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 GHSA-g8m3-5g58-fq7m
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-g9mf-h72j-4rw9
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-jr45-8vmc-qm54
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 GHSA-mh99-v99m-4gvg
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-p88m-4jfj-68fv
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-r28c-9q8g-f849
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 GHSA-r292-9mhp-454m
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-rgw5-rvv9-x895
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-v2hh-gcrm-f6hx
Files: /repo/pnpm-lock.yaml · reported by osv-scanner
1 GHSA-v9p9-hfj2-hcw8
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-vrm6-8vpv-qv8q
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-vxpw-j846-p89q
Files: /repo/package-lock.json · reported by osv-scanner
1 HIDDEN_DATA_FILE
Files: /repo/.releaserc.json · reported by cisco-skill-scanner
1 LOW_ANALYZABILITY
Files: /repo · reported by cisco-skill-scanner
1 MANIFEST_MISSING_LICENSE
Files: /repo/SKILL.md · reported by cisco-skill-scanner
1 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md · reported by cisco-skill-scanner