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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.
283 critical findings reported by cisco-skill-scanner, agent-audit-kit, 8 of them in the installed artifact. The composite score alone does not reflect this — read the per-scanner reports below.
This artifact ships from 3 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. Some sources have no verdict at all; that is not a pass.
github: https://github.com/M0Rf30/yap, 444 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- yap
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
48 findings · 9.7s
v0.3.26
305 findings · 5.9s
v0.1.0
0 findings · 31.6s
v0.1.0
16 findings · 31.6s
v0.1.0
0 findings · 32.1s
v1.4.0
This scanner found nothing in this artifact that it assesses. What each scanner covers
0 findings · 0.3s
No report in this scan: capslock, 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 3, 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 369 findings across every scanner that examined this package. 273 of 283 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.
274 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, opt.nerlo-rules.nerlo-install-pipe-to-shell · Files: AGENTS.md, /repo/AGENTS.md · reported by agent-audit-kit, nerlo-install-instruction
22 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/ci.yml, .github/workflows/coverage.yml, .github/workflows/security.yml and 5 more · reported by agent-audit-kit
15 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: AAK-HEALTHCARE-AI-004, SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_MISSING_LICENSE and 1 more · Files: docs/mcp-surface.md, /repo/docs/SKILL.md, /repo/examples/circular-deps/SKILL.md and 4 more · reported by agent-audit-kit, cisco-skill-scanner
2 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, YARA_system_manipulation_generic · Files: pkg/repo/repo_test.go, /repo/pkg/aptinstall/scriptlet_status_test.go · reported by agent-audit-kit, 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.
9 PIPELINE_TAINT_FLOW
Files: /repo/MCP.md, /repo/PUBLISHING.md, /repo/scripts/install.sh and 3 more · reported by cisco-skill-scanner
8 opt.nerlo-rules.nerlo-install-pipe-to-shell
Files: /repo/MCP.md, /repo/PUBLISHING.md, /repo/README.md and 2 more · reported by nerlo-install-instruction
8 TOOL_ABUSE_SYSTEM_MODIFICATION
Files: /repo/build/deploy/generate.sh · reported by cisco-skill-scanner
7 opt.nerlo-rules.nerlo-install-fetch-raw-then-run
Files: /repo/MCP.md, /repo/PUBLISHING.md, /repo/README.md and 2 more · reported by nerlo-install-instruction
5 AAK-SECRET-004
Files: scripts/i18n_automation.sh, cmd/yap/command/prepare.go, pkg/i18n/locales/it.yaml and 1 more · reported by agent-audit-kit
5 HIDDEN_DATA_FILE
Artifact performs system modifications and executes fetched code.
This artifact contains critical findings indicating system modification capabilities within `generate.sh` and the ability to fetch and execute code from `/repo/SKILL.md`. High severity findings also show potential for shell execution from piped input and fetching raw content for execution, notably in `/repo/MCP.md` and `scripts/install.sh`. Additionally, there are findings related to credential access in `cmd/yap/command/prepare.go` and `scripts/i18n_automation.sh`.
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.
Files: /repo/.markdownlint.yml, /repo/.shellcheckrc, /repo/.golangci.yml and 2 more · reported by cisco-skill-scanner
3 YARA_system_manipulation_generic
Files: /repo/build/deploy/alpine/Dockerfile, /repo/build/deploy/opensuse-leap/Dockerfile, /repo/build/deploy/opensuse-tumbleweed/Dockerfile · reported by cisco-skill-scanner
2 AAK-HEALTHCARE-AI-004
Files: MCP.md, skills/yap/SKILL.md · reported by agent-audit-kit
2 COMPOUND_EXTRACT_EXECUTE
Files: /repo/scripts/install.sh, /repo/README.md · reported by cisco-skill-scanner
2 MANIFEST_MISSING_LICENSE
Files: /repo/skills/yap/SKILL.md, /repo/SKILL.md · reported by cisco-skill-scanner
1 AAK-SKILL-001
Files: skills/yap/SKILL.md · reported by agent-audit-kit
1 COMPOUND_FETCH_EXECUTE
Files: /repo/SKILL.md · reported by cisco-skill-scanner
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md · reported by cisco-skill-scanner
1 YARA_code_execution_generic
Files: /repo/pkg/mcp/tools_artifact.go · reported by cisco-skill-scanner
Showing 25 of 39; the rest are in the per-scanner reports above.