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Token-efficient MCP server for tabular data retrieval via CSV/Excel/Parquet/JSONL indexing
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.
409 critical findings reported by cisco-skill-scanner, agent-audit-kit, 4 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
github: https://github.com/jgravelle/jdatamunch-mcp, 467 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- jdatamunch-mcp
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
4 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
17 findings · 9.4s
v0.3.26
414 findings · 6.4s
v0.1.0
0 findings · 28.0s
v0.1.0
0 findings · 28.0s
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
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image, nerlo-multi-source.
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 9, 2026 | Scan Halted | — | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicable | 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 431 findings across every scanner that examined this package. 405 of 409 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.
403 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-HEALTHCARE-AI-004 · Files: CLAUDE.md · reported by agent-audit-kit
5 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-STDIO-001, AAK-SECRET-003, SQL_INJECTION_STRING_FORMAT and 1 more · Files: tests/test_cli_output_encoding.py, tests/test_redact.py, /repo/tests/test_runtime_ingest.py and 1 more · reported by agent-audit-kit, cisco-skill-scanner
3 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: MANIFEST_INVALID_NAME, SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_MISSING_LICENSE · Files: /repo/.github/ISSUE_TEMPLATE/SKILL.md · 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/test.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.
4 SQL_INJECTION_STRING_FORMAT
Files: /repo/src/jdatamunch_mcp/storage/sqlite_store.py, /repo/src/jdatamunch_mcp/tools/get_distribution.py · reported by cisco-skill-scanner
3 AAK-SECRET-004
Files: src/jdatamunch_mcp/tools/index_repo.py, src/jdatamunch_mcp/tools/find_similar_columns.py, src/jdatamunch_mcp/runtime/sql_log.py · reported by agent-audit-kit
2 MANIFEST_MISSING_LICENSE
Files: /repo/SKILL.md, /repo/benchmarks/SKILL.md · reported by cisco-skill-scanner
2 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/benchmarks/SKILL.md · reported by cisco-skill-scanner
1 AAK-DNS-REBIND-002
Files: pyproject.toml · reported by agent-audit-kit
1 AAK-HEALTHCARE-AI-004
Critical SQL injection and secret exposure risks identified.
The artifact contains critical SQL injection vulnerabilities in `sqlite_store.py` and `get_distribution.py`, which could allow arbitrary database manipulation. It also exposes secrets in `sql_log.py`, `find_similar_columns.py`, and `index_repo.py`, potentially leading to credential access. Further high-severity findings include DNS rebind issues and an IPI wild corpus finding. Additionally, the artifact performs undeclared network activity.
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 AAK-IPI-WILD-CORPUS-001
Files: src/jdatamunch_mcp/storage/sqlite_store.py · reported by agent-audit-kit
1 AAK-OAUTH-3P-001
Files: pyproject.toml · reported by agent-audit-kit
1 AAK-SUPPLY-004
Files: pyproject.toml · reported by agent-audit-kit
1 DATA_EXFIL_NETWORK_REQUESTS
Files: /repo/src/jdatamunch_mcp/storage/token_tracker.py · reported by cisco-skill-scanner
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 TOOL_ABUSE_UNDECLARED_NETWORK
Files: /repo/repo/CHANGELOG.md · reported by cisco-skill-scanner