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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.
92 critical findings reported by cisco-skill-scanner, agent-audit-kit, 0 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/github/github-mcp-server, 140 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- github
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
5 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.
v2.0.11
26 findings · 15.4s
v0.3.26
92 findings · 9.5s
v0.1.0
0 findings · 36.6s
v0.1.0
0 findings · 36.6s
v0.1.0
0 findings · 25.0s
v1.4.0
This scanner found nothing in this artifact that it assesses. What each scanner covers
0 findings · 0.2s
No report in this scan: capslock, govulncheck, osv-scanner, trivy, trivy_image.
2 scans on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 3, 2026 | Scan Halted | — | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: complete | rejected |
| Jul 31, 2026 | Scan Halted | — | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-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 118 findings across every scanner that examined this package. 92 of 92 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.
78 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: AAK-AGENT-001, AAK-AGENT-002 · Files: .github/copilot-instructions.md · reported by agent-audit-kit
15 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: AAK-SECRET-008, YARA_credential_harvesting_generic · Files: pkg/http/middleware/token_test.go, pkg/http/middleware/pat_scope_test.go, /repo/pkg/http/middleware/pat_scope_test.go · reported by agent-audit-kit, cisco-skill-scanner
13 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: MANIFEST_MISSING_LICENSE, SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_INVALID_NAME · Files: /repo/e2e/SKILL.md, /repo/docs/SKILL.md, /repo/.github/SKILL.md and 3 more · 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/lint.yml · reported by agent-audit-kit
1 Placeholder value — The matched literal is a placeholder or example — the kind of value a scanner reads as a secret and a human reads as a blank to fill in.
Rules: HIDDEN_DATA_FILE · Files: /repo/pkg/github/ui_dist/.placeholder.html · 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.
3 MANIFEST_MISSING_LICENSE
Files: /repo/SKILL.md, /repo/cmd/mcpcurl/SKILL.md, /repo/third-party/github.com/microcosm-cc/bluemonday/SKILL.md · reported by cisco-skill-scanner
3 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/cmd/mcpcurl/SKILL.md, /repo/third-party/github.com/microcosm-cc/bluemonday/SKILL.md · reported by cisco-skill-scanner
1 AAK-LEGAL-002
Files: ui/package.json · reported by agent-audit-kit
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 HIDDEN_DATA_FILE
Files: /repo/.golangci.yml · reported by cisco-skill-scanner
The model could have called any of these a false positive and did not.
1 AAK-SECRET-004
Files: e2e/e2e_test.go · reported by agent-audit-kit
Artifact contains a hardcoded secret
The artifact includes a hardcoded secret within the `e2e/e2e_test.go` file. This credential exposure could permit unauthorized access to external systems or services. Additionally, a medium severity finding indicates a potential legal compliance issue.
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.