Critical-risk tools in MemOS
3 of the 10 tools in MemOS 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_kb_documentsDestructiveTrigger: Use when specific documents in a Knowledge Base should be removed. Purpose: Delete documents from a Knowledge Base by their IDs.
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delete_memoryDestructiveTrigger: User explicitly asks to delete memories. Purpose: Delete memories by ID. STRICT RULES: 1. **PREREQUISITE**: If the user did NOT provide IDs, you MUST call \
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remove_knowledge_baseDestructiveTrigger: User requests to remove a Knowledge Base from the project. Purpose: Remove a Knowledge Base association.
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.