Critical-risk tools in Hardcover
5 of the 29 tools in Hardcover are classified as critical risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at critical risk
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delete_journal_entryDestructiveDelete a reading journal entry by ID.
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delete_listDestructiveDelete a Hardcover list by ID. This cannot be undone.
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delete_user_bookDestructiveRemove a book from your library entirely. This cannot be undone.
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delete_user_book_readDestructiveDelete a reading date entry by its ID. This cannot be undone.
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remove_book_from_listDestructiveRemove a book from a list. Use id or list_id + book_id.
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.