Critical-risk tools in Copilot Memory Store
2 of the 7 tools in Copilot Memory Store 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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memory_deleteDestructiveSoft-delete a memory by ID (tombstone). The memory is marked as deleted but remains in storage and can be recovered. Use memory_purge for permanent deletion.
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memory_purgeDestructivePERMANENTLY delete memories by id, tag, or substring match. This is destructive and cannot be undone! Use dryRun: true to preview first. Will request confirmation via elicitatio...
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.