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A MCP server for MotherDuck and local DuckDB
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. The composite score alone does not reflect this — read the per-scanner reports below.
github_release: https://github.com/motherduckdb/mcp-server-motherduck, 1 finding
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- mcp-server-motherduck
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.
v2.0.11
11 findings · 6.6s
v0.3.74
13 findings · 2.5s
v0.1.0
0 findings · 2.9s
v0.1.0
0 findings · 2.9s
v0.1.0
2 findings · 9.4s
v0.71.0
5 findings · 0.3s
v2.3.8
5 findings · 1.2s
v1.4.0
None of the entry points this scanner reads were found in this artifact. What each scanner covers
0 findings · 0.2s
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
7 scans on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 23, 2026 | Flagged55 | — | agentshield ·n/a: not applicablecisco-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 |
| Jul 30, 2026 | Flagged32 | — | 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 21, 2026 | Scan Halted | — | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: complete | rejected |
| Jul 20, 2026 | Scan Halted | — | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: complete | rejected |
| Jul 20, 2026 | Scan Halted | Clean → Flagged | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: complete | rejected |
| Jul 20, 2026 | Clean100 | — | agentshield ·n/a: not applicablecisco-skill-scanner ·n/a: not applicableagent-audit-kit: completetrivy: completeosv-scanner ·n/a: not applicable | completed |
| Jul 20, 2026 | Clean100 | — | agentshield ·n/a: not applicablecisco-skill-scanner ·n/a: not applicableagent-audit-kit: completetrivy: completeosv-scanner ·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 36 findings across every scanner that examined this package. None of the 2 findings rated critical by their scanner were dismissed.
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 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-004, AAK-IPI-WILD-CORPUS-001, SECRET_PASSWORD_VAR and 2 more · Files: tests/e2e/conftest.py, tests/e2e/fixtures/create_test_db.py, tests/e2e/test_motherduck.py and 6 more · reported by agent-audit-kit, cisco-skill-scanner
3 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/bump-version.yml, .github/workflows/e2e-tests.yml, .github/workflows/publish-mcp.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.
2 HIDDEN_DATA_FILE
Files: /repo/.mcpbignore, /repo/.pre-commit-config.yaml · reported by cisco-skill-scanner
2 nerlo-malware-obfuscated_blob
Files: pypi@1.0.8:mcp_server_motherduck-1.0.8.dist-info/METADATA, github_release:mcp-server-motherduck.mcpb.extracted/README.md · reported by nerlo-malware
2 YARA_sql_injection_generic
Files: /repo/src/mcp_server_motherduck/tools/list_columns.py, /repo/src/mcp_server_motherduck/tools/list_tables.py · reported by cisco-skill-scanner
1 AAK-MCP-018
Files: src/mcp_server_motherduck/__init__.py · reported by agent-audit-kit
1 AAK-MCP-SDK-CVE-2026-52869-001
Files: uv.lock · reported by agent-audit-kit
1 AAK-SEC-MD-001
Critical SQL injection and high-severity dependency vulnerabilities.
The artifact contains critical SQL injection vulnerabilities in `/repo/src/mcp_server_motherduck/tools/list_columns.py` and `/repo/src/mcp_server_motherduck/tools/list_tables.py`. Multiple high-severity vulnerabilities (CVEs and PYSECs) are present in dependencies listed in `uv.lock`. Further findings include potential undeclared network egress and obfuscated code, indicating complex or hidden functionality. These issues collectively suggest significant risks related to data integrity, system compromise, and unexpected network 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.
1 CVE-2026-48990
Files: uv.lock · reported by trivy
1 CVE-2026-49852
Files: uv.lock · reported by trivy
1 CVE-2026-52869
Files: uv.lock · reported by trivy
1 CVE-2026-52870
Files: uv.lock · reported by trivy
1 CVE-2026-59950
Files: uv.lock · reported by trivy
1 MANIFEST_MISSING_LICENSE
Files: /repo/SKILL.md · reported by cisco-skill-scanner
1 PYSEC-2026-2528
Files: /repo/uv.lock · reported by osv-scanner
1 PYSEC-2026-2530
Files: /repo/uv.lock · reported by osv-scanner
1 PYSEC-2026-3481
Files: /repo/uv.lock · reported by osv-scanner
1 PYSEC-2026-3482
Files: /repo/uv.lock · reported by osv-scanner
1 PYSEC-2026-3483
Files: /repo/uv.lock · reported by osv-scanner
1 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md · reported by cisco-skill-scanner
1 TOOL_ABUSE_UNDECLARED_NETWORK
Files: /repo/repo/README.md · reported by cisco-skill-scanner