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Sweep 08 Oct 2026 · 18:53Z Build v2.1.295 516 read Stable v2.1.286 Latest v2.1.295 Next v2.1.295 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Code CLI 6 Oct 2026
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Hooks reference changedhooks

Nearest release: v2.1.292, published under an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 6 Oct 2026 17:33 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 6 Oct 2026 17:37 UTC.

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The whole hunk

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13861386#### What a blocked prompt leaves behind
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1388A blocked prompt never reaches Claude, but its text isn't removed everywhere. By default the block message shown to the user ends with `Original prompt:` followed by the submitted text, and Claude Code writes that message to the session's transcript file on disk. To leave the text out of the message, print JSON with `"suppressOriginalPrompt": true` inside `hookSpecificOutput`. This works whether the hook blocks with `decision: "block"` or by exiting 2. An exit-2 hook that prints no JSON always gets the prompt text in its block message.
1388A blocked prompt never reaches Claude, but its text isn't removed everywhere. By default the block message shown to the user ends with `Original prompt:` followed by the submitted text, and Claude Code writes that message to the session's transcript file on disk. To leave the text out of the message, print JSON with `"suppressOriginalPrompt": true` inside `hookSpecificOutput`. This works whether the hook blocks with `decision: "block"` or by exiting 2.
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13901390`suppressOriginalPrompt` changes only the block message. The submitted text can still appear in local files such as the session transcript and your prompt history, so a blocking hook isn't a way to keep a secret off disk. To limit or remove those files, see [Plaintext storage](/docs/en/claude-directory#plaintext-storage) and [Clear local data](/docs/en/claude-directory#clear-local-data).
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