Passive loop detection MCP server for AI coding agents. Detects tool-call repetition, semantic similarity loops, pattern cycles, and context budget exhaustion — no agent initiative required.
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.
1 critical finding reported by osv-scanner. The composite score alone does not reflect this — read the per-scanner reports below.
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- anti-loop-guard
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
7 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 · 1.2s
v2.0.11
12 findings · 10.7s
v0.3.74
4 findings · 1.8s
v0.1.0
0 findings · 5.7s
v0.1.0
0 findings · 5.7s
v0.71.0
5 findings · 0.3s
v2.3.8
11 findings · 10.8s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.2s
v0.1.0
This scanner found nothing in this artifact that it assesses. What each scanner covers
0 findings · 2.2s
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 22, 2026 | Flagged64 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source ·n/a: not applicabletrivy: completeosv-scanner: completetrivy_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 32 findings across every scanner that examined this package. None of the 1 finding rated critical by their scanner were dismissed.
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.
9 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/cli/init.ts, /repo/src/state.ts · reported by cisco-skill-scanner
1 AAK-ANTHROPIC-SDK-001
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-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 CVE-2026-18446
Files: package-lock.json · reported by trivy
1 CVE-2026-69207
Files: package-lock.json · reported by trivy
1 CVE-2026-71848
Files: package-lock.json · reported by trivy
1 CVE-2026-71849
Files: package-lock.json · reported by trivy
1 CVE-2026-71850
Files: package-lock.json · reported by trivy
1 GHSA-2v37-7h3g-55p8
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-4w7w-66w2-5vf9
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-54fx-42gc-7vw4
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-5xrq-8626-4rwp
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-67mh-4wv8-2f99
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-79qm-7rj5-m7r9
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-7p8r-x3mc-p8w7
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-8j4g-w8fx-2239
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-f23p-vx2j-j53r
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-fx2h-pf6j-xcff
Files: /repo/package-lock.json · reported by osv-scanner
1 GHSA-v6wh-96g9-6wx3
Files: /repo/package-lock.json · reported by osv-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
Critical vulnerabilities in dependencies and potential credential exposure
The artifact contains a critical vulnerability in a dependency, GHSA-5xrq-8626-4rwp, which could lead to remote code execution. Additionally, high severity vulnerabilities (GHSA-2v37-7h3g-55p8, GHSA-7p8r-x3mc-p8w7, GHSA-fx2h-pf6j-xcff, CVE-2026-18446) are present in other dependencies. The artifact also includes an Anthropic SDK (AAK-ANTHROPIC-SDK-001) in `src/index.ts`, which may involve credential access or network egress for API communication.
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.