Claude Skill Antivirus
by claude-worldSecurity scanner for Claude Code Skills — 9 engines detect malicious patterns, data exfiltration, dangerous ops across 71K+ skills
Claude Skill Antivirus is an open-source agent skill by claude-world, written mainly in JavaScript, with 82 GitHub stars and the MIT license. Its code was last updated Nov 1, 2026.
Scan summary: scanned Nov 5, 2026 at commit d2f189b. Seen able to read environment and secrets, connect to the internet. Scan policy
ScannedScanned. The automated checks below ran on the commit shown. Read each line for what was and was not covered.
Full scan at
d2f189b · Nov 5, 2026 ScannedStatic, secrets and dependency checks completed with no critical findings. BuildsIt installed from a fresh machine.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.Static code scanwarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
Passed. This check ran and found nothing it flags.Secrets scanpassPassed. This check ran and found nothing it flags.
Passed. This check ran and found nothing it flags.Dependency audit0 known vulnerabilitiespassPassed. This check ran and found nothing it flags.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.ManifestnonewarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
Passed. This check ran and found nothing it flags.BuildpassPassed. This check ran and found nothing it flags.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Boot & handshaken/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Network egressn/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Reproducible (×3)n/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Findings (13)
- highHigh. Something risky that needs a close look before you install.exfiltration issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dropper issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.exfiltration issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dropper issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.credential-access issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.exfiltration issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.exfiltration issueDetails are available to the maintainer after claiming this listing.
- highHigh. Something risky that needs a close look before you install.dropper issueDetails are available to the maintainer after claiming this listing.
- lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Touches a sensitive credential location (SSH keys, cloud credentials, browser data or wallets). Expected for some tools, such as browser automation; check why.
examples/hidden-code-skill/scripts/setup.py:11 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Touches a sensitive credential location (SSH keys, cloud credentials, browser data or wallets). Expected for some tools, such as browser automation; check why.
examples/hidden-code-skill/scripts/setup.py:12 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Contacts a hard-coded IP address instead of a domain name.
examples/hidden-code-skill/scripts/setup.py:14 - lowLow. Minor, or common in normal tools. Shown for information.In tests/examples/docs: Runs shell commands. Fine for some tools, but it means the agent can run anything your user can.
examples/hidden-code-skill/scripts/setup.py:18 - lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
Network activity
During install
registry.npmjs.org
While running
Not run — the code wasn't started in this scan
Automated result for the commit shown. See our scan policy. View the scan log
Maintainers can claim the listing to rescan, or dispute a result.
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|---|---|---|---|---|
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