Is onboard CLAUDE.md safe to install?

Yes — onboard CLAUDE.md is safe to install, on this review. Sonnet 5 read every file onboard CLAUDE.md ships from sdsrss/onboard on 7 September 2026 and found nothing that acts against the person installing it; the static scan of its 26 rules grades it A.

Reviewed by Sonnet 5 on 7 September 2026 · a grade is what a scan and a reading found, not a guarantee · how this works

What the reviewer found

CLAUDE.md documents a 4-hook contract where guard-bash.sh is a PreToolUse hook that DENIES dangerous shell patterns like curl|sh, rm -rf /, and force-push to main. The flagged text is the defensive deny-rule description, not code that runs those commands.

What was read

The file as it ships in sdsrss/onboard:

What the static scan said

The scan flagged 3things. The reviewer kept 0 and dismissed 3 as false.

How this review was made

Sonnet 5 read the files above on 7 September 2026 and answered three questions: is it dangerous to whoever installs it, is each scanner finding real, and what should the installer know. The verdict is bound to the file's hash; when the file changes, it is scanned afresh and reviewed again. A script that changes while the definition does not is not re-reviewed — that is a known gap. How the scan and the review work.

Produced by agentmods.dev · Sonnet 5 · 7 September 2026

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