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Production-ready Model Context Protocol (MCP) server built with TypeScript
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, 1 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
npm: mcp-typescript-server @ 1.0.1, 0 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- mcp-typescript-server
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
0 findings · 0.7s
v2.0.11
9 findings · 9.4s
v0.3.74
15 findings · 1.2s
v0.1.0
1 finding · 4.0s
v0.1.0
3 findings · 4.0s
v0.1.0
0 findings · 8.1s
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 · 0.3s
v2.3.8
No dependency manifest or lockfile was found in this artifact. What each scanner covers
0 findings · 0.2s
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
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 20, 2026 | Flagged80 | — | agentshield: completecisco-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 |
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 28 findings across every scanner that examined this package. 1 of 2 findings rated critical by their scanner was among the dismissals.
Not reviewed is not the same as clean. Those 6 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.
11 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/docker-publish.yml, .github/workflows/ci.yml · reported by agent-audit-kit
3 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, DATA_EXFIL_JS_FS_ACCESS · Files: /repo/tests/integration.test.ts, /repo/tests/setup.ts · reported by cisco-skill-scanner
The model could have called any of these a false positive and did not.
2 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/src/tools/fileManager.ts · reported by cisco-skill-scanner
1 AAK-ANTHROPIC-SDK-001
Files: src/server.ts · reported by agent-audit-kit
1 AAK-DNS-REBIND-002
Files: package.json · reported by agent-audit-kit
1 AAK-OAUTH-3P-001
Files: package.json · reported by agent-audit-kit
1 COMMAND_INJECTION_JS_FUNCTION_CONSTRUCTOR
Files: /repo/src/tools/calculator.ts · reported by cisco-skill-scanner
1 LOW_ANALYZABILITY
Files: /repo · reported by cisco-skill-scanner
1 opt.nerlo-rules.nerlo-dynamic-exec
5 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: AAK-SEC-MD-001, opt.nerlo-rules.nerlo-install-run-bundled-artifact, MANIFEST_MISSING_LICENSE · Files: SECURITY.md, /repo/DOCKER_TROUBLESHOOTING.md, /repo/QUICKSTART.md and 2 more · reported by agent-audit-kit, nerlo-install-instruction, cisco-skill-scanner
1 The model did not answer for these findings.
Rules: SOCIAL_ENG_VAGUE_DESCRIPTION · Files: /repo/SKILL.md · reported by cisco-skill-scanner
Critical command injection and high-risk operations detected.
The artifact contains a critical command injection vulnerability in `calculator.ts` that could allow shell execution. High-risk network egress, including DNS rebind, is indicated in `package.json`, and potential credential access via an Anthropic SDK is present in `src/server.ts`. Additionally, high-risk file write/read operations are noted in `fileManager.ts`, alongside dynamic execution capabilities in `calculator.ts`.
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: /repo/src/tools/calculator.ts · reported by nerlo-behavioral