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Z-ZERO MCP Server — Secure JIT Virtual Card Payment tools for AI Agents (Claude, Cursor, AutoGPT) — Real Single-Use Virtual Cards, settled in USDC on Base
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.
npm: z-zero-mcp-server @ 1.10.1, 0 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- z-zero-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 · 0.6s
v2.0.11
14 findings · 7.1s
v0.3.74
5 findings · 1.6s
v0.1.0
6 findings · 4.5s
v0.1.0
0 findings · 4.5s
v0.1.0
0 findings · 9.5s
v0.71.0
5 findings · 0.2s
v2.3.8
5 findings · 7.5s
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 30, 2026 | Flagged73 | — | 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 8, 2026 | Flagged78 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicabletrivy: completeosv-scanner: completetrivy_image ·n/a: not applicablegovulncheck ·n/a: not applicable | completed |
| Aug 1, 2026 | Flagged89 | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: completetrivy: completeosv-scanner: complete | completed |
| Jul 31, 2026 | Flagged89 | — | 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 29, 2026 | Flagged89 | — | 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 35 findings across every scanner that examined this package.
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/docs/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.
8 DATA_EXFIL_JS_NETWORK
Files: /repo/src/base_backend.ts, /repo/src/index.ts · reported by cisco-skill-scanner
6 opt.nerlo-rules.nerlo-js-secret-to-network-egress
Files: /repo/src/base_backend.ts, /repo/src/index.ts · reported by nerlo-behavioral
2 MANIFEST_MISSING_LICENSE
Files: /repo/clawhub/z-zero-payments/SKILL.md, /repo/SKILL.md · reported by cisco-skill-scanner
1 AAK-ANTHROPIC-SDK-001
Files: src/index.ts · reported by agent-audit-kit
1 AAK-MCP-018
Files: src/index.ts · reported by agent-audit-kit
1 AAK-MCP-STATELESS-001
Files: src/ucp_bridge.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 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-54fx-42gc-7vw4
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 LOW_ANALYZABILITY
Files: /repo · reported by cisco-skill-scanner
1 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md · reported by cisco-skill-scanner
Artifact has multiple high-severity findings, including secret network egress.
The artifact exhibits network egress with secrets in `src/base_backend.ts` and `src/index.ts`. It also interacts with a third-party AI SDK in `src/index.ts` and contains a stateless management control plane bridge in `src/ucp_bridge.ts`. Additionally, high-severity vulnerabilities are present in dependencies listed in `package-lock.json`.
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.