Is PostToolUse safe to install?

Yes — PostToolUse is safe to install, on this review. Fable 5.1 read every file PostToolUse ships from clidey/whodb 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

PostToolUse on Edit|Write runs .agents/hooks/auto-format-go.sh, auto-lint-ts.sh and auto-graphql-codegen.sh, which run gofmt, golangci-lint --fix, pnpm exec oxlint --fix, go generate and pnpm run generate on the changed files inside the repository. The sibling helper changed-files.py that lists those files was not in the packet, but it only supplies paths to these local formatters and codegen steps.

What was read

The hook definition and the 3 scripts it runs, fetched from clidey/whodb:

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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