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MCP server serving mandatory coding guidelines for 130+ languages, frameworks, and tools
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.
2 critical findings reported by cisco-skill-scanner, agent-audit-kit, 1 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
github: https://github.com/delian/codeguide-mcp, 60 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- coding-guides-server
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
42 findings · 16.8s
v0.3.74
9 findings · 4.4s
v0.1.0
0 findings · 4.8s
v0.1.0
9 findings · 4.8s
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
v0.1.0
This scanner found nothing in this artifact that it assesses. What each scanner covers
0 findings · 1.9s
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image.
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 22, 2026 | Scan Halted | — | agentshield ·n/a: not applicablecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source ·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 60 findings across every scanner that examined this package. None of the 2 findings rated critical by their scanner were dismissed.
Not reviewed is not the same as clean. Those 1 finding stand exactly as their scanners reported them, at full severity, as they would have without this review.
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.
15 PIPELINE_TAINT_FLOW
Files: /repo/guides/SKILL.md, /repo/guides/bash.md, /repo/guides/fish.md · reported by cisco-skill-scanner
6 FILE_MAGIC_MISMATCH
Files: /repo/prompts/check_code_quality.md, /repo/prompts/check_security.md, /repo/prompts/check_code_compliance.md · reported by cisco-skill-scanner
5 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/guides/bash.md · reported by nerlo-install-instruction
3 COMPOUND_FIND_EXEC
Files: /repo/guides/SKILL.md, /repo/guides/dockerfile.md · reported by cisco-skill-scanner
3 MANIFEST_MISSING_LICENSE
Files: /repo/SKILL.md, /repo/guides/SKILL.md, /repo/prompts/SKILL.md · reported by cisco-skill-scanner
3 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/guides/SKILL.md, /repo/prompts/SKILL.md · reported by cisco-skill-scanner
3 YARA_command_injection_generic
Files: /repo/guides/memcached.md · reported by cisco-skill-scanner
2 AAK-IPI-WILD-CORPUS-001
Files: guides/secure-coding.md, guides/nix-flake.md · reported by agent-audit-kit
2 EXCESSIVE_FILE_COUNT
Files: /repo/guides/., /repo/. · reported by cisco-skill-scanner
2 FIND_EXEC_PATTERN
Files: /repo/guides/SKILL.md, /repo/guides/dockerfile.md · reported by cisco-skill-scanner
2 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/README.md, /repo/guides/scylladb.md · reported by nerlo-install-instruction
2 opt.nerlo-rules.nerlo-install-shell-inline-command
Files: /repo/guides/jenkins.md, /repo/guides/secure-coding.md · reported by nerlo-install-instruction
2 SECRET_CONNECTION_STRING
Files: /repo/guides/SKILL.md, /repo/guides/secure-coding.md · reported by cisco-skill-scanner
1 AAK-HEALTHCARE-AI-004
Files: guides/istio.md · reported by agent-audit-kit
1 AAK-MCP-018
Files: coding_guides_server/server.py · reported by agent-audit-kit
1 AAK-MCP-HTTP-NOAUTH-SERVER-001
Files: coding_guides_server/server.py · reported by agent-audit-kit
1 AAK-OAUTH-3P-001
Files: pyproject.toml · reported by agent-audit-kit
1 AAK-SSRF-002
Files: coding_guides_server/server.py · reported by agent-audit-kit
1 AAK-SSRF-004
Files: coding_guides_server/server.py · reported by agent-audit-kit
1 AAK-STDIO-001
Files: verify_server.py · reported by agent-audit-kit
1 HIDDEN_DATA_FILE
Files: /repo/.pre-commit-config.yaml · reported by cisco-skill-scanner
1 TOOL_ABUSE_UNDECLARED_NETWORK
Files: /repo/repo/MCP-instructions.md · reported by cisco-skill-scanner
1 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: HIDDEN_DATA_FILE · Files: /repo/.guides-cache/.placeholder · reported by cisco-skill-scanner
Artifact exhibits critical shell execution and network egress risks.
The artifact contains critical findings related to shell execution in `verify_server.py` and `/repo/guides/SKILL.md`. It also includes high-severity findings for server-side request forgery (SSRF) and an unauthenticated HTTP server in `coding_guides_server/server.py`. Additionally, there are multiple instances of pipeline taint flow, shell piping, and exposed connection strings across various guide files. These capabilities could lead to unauthorized system access or data exposure.
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.