What the reviewer found
Mycelium "persona before/after" experiment SKILL.md. The curl call is a health check against the user's own configured $MYCELIUM_API_URL, and both `rm -rf` calls only remove the tool's own experiment workspaces and temp files under a specific $EXP_ID, run as part of the skill's own documented cleanup step. Nothing reaches outside the tool's own directories.
What was read
The file as it ships in mycelium-io/mycelium:
.claude/skills/persona-before-and-after/SKILL.md
What the static scan said
The scan flagged 3things. The reviewer kept 0 and dismissed 3 as false.
SC2Downloads and executes remote code — false positiveRMRecursive force delete — false positiveNETMakes network calls — false positive
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.