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MUST use when creating, updating, reviewing, or relocating AGENTS.md instruction files, including repository root guidance, nested directory rules, instruction precedence, scope boundaries, and verification/readback expectations.
Claude Skills are markdown + scripts loaded into Claude Code; scanned with the same pipeline.
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.
17 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/eunsoogi/codexy, 200 findings
Claude Skills install to a single target, no runtime picker.
nerlo install -- 'eunsoogi/codexy (agents-md-authoring)'
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- 'eunsoogi/codexy (agents-md-authoring)' ~/.claude/skills/
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
123 findings · 20.6s
v0.3.74
19 findings · 27.5s
v0.1.0
0 findings · 6.2s
v0.1.0
2 findings · 6.2s
v0.1.0
8 findings · 12.8s
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
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 21, 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: 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 152 findings across every scanner that examined this package. 17 of 17 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.
60 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: SOCIAL_ENG_VAGUE_DESCRIPTION, MANIFEST_MISSING_LICENSE · Files: /repo/docs/SKILL.md, /repo/packages/codexy-runtime/tests/fixtures/wiki-core/supported-topic/SKILL.md, /repo/packages/codexy-runtime/tests/fixtures/wiki-core/negative/SKILL.md and 27 more · reported by cisco-skill-scanner
26 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: YARA_credential_harvesting_generic, AAK-SECRET-003, YARA_command_injection_generic and 8 more · Files: /repo/packages/codexy-runtime/tests/archive_binary_hygiene.rs, /repo/packages/codexy-runtime/tests/archive_secret_scan.rs, /repo/packages/codexy-runtime/tests/release_archive_gate.rs and 14 more · reported by cisco-skill-scanner, agent-audit-kit
2 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/language-lint.yml, .github/workflows/bootstrap-package.yml · reported by agent-audit-kit
1 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: TOOL_ABUSE_UNDECLARED_NETWORK · Files: /repo/repo/AGENTS.md · 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.
18 MANIFEST_MISSING_LICENSE
Files: /repo/plugins/codexy-devtools/skills/developer-tools/SKILL.md, /repo/plugins/codexy-github/skills/git-workflow/SKILL.md, /repo/plugins/codexy/skills/wiki/SKILL.md and 15 more · reported by cisco-skill-scanner
10 HIDDEN_DATA_FILE
Files: /repo/.agents/plugins/runtime-activation.json, /repo/.agents/plugins/marketplace.json, /repo/.agents/plugins/release-publish-contract.json and 7 more · reported by cisco-skill-scanner
8 nerlo-malware-obfuscated_blob
Files: github_release:codexy-runtime-package.tar.gz.extracted/plugins/codexy/runtime/codexy-mcp-lsp-windows-x86_64.exe, github_release:codexy-runtime-package.tar.gz.extracted/plugins/codexy/runtime/codexy-mcp-codegraph-windows-x86_64.exe, github_release:codexy-runtime-package.tar.gz.extracted/plugins/codexy/mcp/codexy-mcp-lsp.exe and 5 more · reported by nerlo-malware
8 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/packages/codexy-runtime/SKILL.md, /repo/plugins/codexy-github/skills/git-workflow/references/SKILL.md and 5 more · reported by cisco-skill-scanner
6 AAK-SECRET-004
Artifact contains secrets, obfuscated code, and network egress capabilities.
The artifact includes high severity findings for secrets present in multiple files, including `runtime.rs`, `fields.rs`, and various scripts. It also contains obfuscated code blobs and exhibits capabilities for network egress and system package installation. Additionally, there are findings indicating potential infinite loops in Python scripts.
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.
Files: scripts/profile_rust_workflow.py, packages/codexy-runtime/src/version/activation/receipt/fields.rs, packages/codexy-runtime/src/validation/release_publish_contract/runtime.rs and 2 more · reported by agent-audit-kit
3 AAK-MARKETPLACE-001
Files: .agents/plugins/marketplace.json · reported by agent-audit-kit
2 EXCESSIVE_FILE_COUNT
Files: /repo/., /repo/packages/codexy-runtime/. · reported by cisco-skill-scanner
2 FILE_MAGIC_MISMATCH
Files: /repo/plugins/codexy/agents/catalog.toml, /repo/plugins/codexy-github/hooks/codexy-readiness-guard-json.sh · reported by cisco-skill-scanner
2 opt.nerlo-rules.nerlo-install-run-bundled-artifact
Files: /repo/.agents/skills/release-engineering/SKILL.md, /repo/plugins/codexy/skills/proof-driven-completion/SKILL.md · reported by nerlo-install-instruction
2 RESOURCE_ABUSE_INFINITE_LOOP
Files: /repo/scripts/profile_rust_windows_diagnostics.py, /repo/scripts/profile_rust_windows_job.py · reported by cisco-skill-scanner
1 DATA_EXFIL_NETWORK_REQUESTS
Files: /repo/packages/getcodexy/src/codexy_runtime_tools/package.py · reported by cisco-skill-scanner
1 TOOL_ABUSE_SYSTEM_PACKAGE_INSTALL
Files: /repo/scripts/profile_rust_workflow_shards.py · reported by cisco-skill-scanner