Is UserPromptSubmit safe to install?

Yes — UserPromptSubmit is safe to install, with something worth knowing. Fable 5.1 read every file UserPromptSubmit ships from gastownhall/beads 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 Fable 5.1 on 7 September 2026 · a grade is what a scan and a reading found, not a guarantee · how this works

What the reviewer found

UserPromptSubmit runs bd codex-hook UserPromptSubmit, the beads CLI binary, on every prompt to refresh issue-tracker context. The binary is not in the packet, so it is unreviewed.

What was read

The file as it ships in gastownhall/beads:

What the static scan said

The 26-rule scan found nothing in this file; the review read it anyway.

How this review was made

Fable 5.1 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 · Fable 5.1 · 7 September 2026

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