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Synchronize agent skills between multiple agents (Claude, Codex, Cursor and more)
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.
1 critical finding reported by cisco-skill-scanner. The composite score alone does not reflect this — read the per-scanner reports below.
Claude Skills install to a single target, no runtime picker.
nerlo install -- sync-skills
Manual alternative: copy the skill folder into ~/.claude/skills/ so Claude Code loads it on next launch.
cp -r -- sync-skills ~/.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.
v1.4.0
2 findings · 1.0s
v2.0.11
324 findings · 10.7s
v0.3.74
4 findings · 3.1s
v0.1.0
0 findings · 3.9s
v0.1.0
2 findings · 3.9s
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 · 1.5s
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: completecisco-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 332 findings across every scanner that examined this package. None of the 1 finding 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.
33 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-005, FILE_MAGIC_MISMATCH, HIDDEN_DATA_FILE and 2 more · Files: AGENTS.md, /repo/CLAUDE.md, /repo/.gemini/skills/testing/SKILL.md and 21 more · reported by agent-audit-kit, cisco-skill-scanner
17 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: FILE_MAGIC_MISMATCH · Files: /repo/.codex/skills/testing/SKILL.md, /repo/.claude/skills/testing/SKILL.md, /repo/test/fixtures/fake-skills/.codex/skills/pr-review/SKILL.md and 6 more · reported by cisco-skill-scanner
13 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, opt.nerlo-rules.nerlo-install-run-bundled-artifact · Files: /repo/docs/SKILL.md, /repo/docs/plans/SKILL.md, /repo/openspec/changes/add-npm-publish-workflow/specs/release-publish/SKILL.md and 9 more · reported by cisco-skill-scanner, nerlo-install-instruction
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.
123 HIDDEN_DATA_FILE
Files: /repo/.opencode/command/openspec-archive.md, /repo/all-assistants/.opencode/command/openspec-archive.md, /repo/.opencode/command/openspec-proposal.md and 69 more · reported by cisco-skill-scanner
53 MANIFEST_MISSING_LICENSE
Files: /repo/.sync-skills/skills/skill-b/SKILL.md, /repo/.sync-skills/skills/skill-c/SKILL.md, /repo/.sync-skills/skills/verify-before-committing/SKILL.md and 50 more · reported by cisco-skill-scanner
35 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/scripts/generate-version.mjs, /repo/src/assistants.ts, /repo/src/config.ts and 6 more · reported by cisco-skill-scanner
28 FILE_MAGIC_MISMATCH
Files: /repo/.codex/skills/skill-b/SKILL.md, /repo/.codex/skills/skill-c/SKILL.md, /repo/.codex/skills/verify-after-pushing/SKILL.md and 11 more · reported by cisco-skill-scanner
19 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/all-assistants/SKILL.md, /repo/openspec/SKILL.md and 16 more
Critical command injection and data exfiltration risks
The artifact contains a critical command injection vulnerability in `/repo/scripts/generate-version.mjs`, which could lead to shell execution. Additionally, there are multiple high-severity findings for data exfiltration via file system access across various source files, including `/repo/src/assistants.ts` and `/repo/src/index.ts`. Several hidden executable scripts are also present, such as `/repo/.sync-skills/skills/verify-after-pushing/npm-install-test.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.
2 HIDDEN_EXECUTABLE_SCRIPT
Files: /repo/.sync-skills/skills/verify-after-pushing/npx-test.sh, /repo/.sync-skills/skills/verify-after-pushing/npm-install-test.sh · reported by cisco-skill-scanner
2 MANIFEST_INVALID_NAME
Files: /repo/all-assistants/.cursor/commands/SKILL.md, /repo/all-assistants/.iflow/commands/SKILL.md · reported by cisco-skill-scanner
1 AAK-HEALTHCARE-AI-004
Files: agent-skills.md · reported by agent-audit-kit
1 AAK-LEGAL-002
Files: package.json · reported by agent-audit-kit
1 COMMAND_INJECTION_JS_CHILD_PROCESS
Files: /repo/scripts/generate-version.mjs · reported by cisco-skill-scanner
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 hooks-no-pretooluse
Files: .gemini/settings.json · reported by agentshield
1 LOW_ANALYZABILITY
Files: /repo · reported by cisco-skill-scanner
1 permissions-no-block
Files: .gemini/settings.json · reported by agentshield
Showing 25 of 38; the rest are in the per-scanner reports above.