memory_delete_entities
Delete and forget multiple entities and their associated relationships from the user
This record as markdown: /tools/3xcaffeine-mcp-server/memory-delete-entities.md
What memory_delete_entities does on VaultAssist
AI agents call memory_delete_entities to permanently remove resources in VaultAssist, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why memory_delete_entities is rated Critical
The tool permanently deletes data ('delete and forget') with no undo capability. While scoped to the user's own data via OAuth isolation, deletion of 'multiple entities and their associated relationships' represents an irreversible action affecting potentially interconnected records.
From the tool's definition Tool name contains 'delete' and description states 'Delete and forget multiple entities and their associated relationships' — this is irreversible data removal.
Attacks that exploit this kind of access
The rule that runs memory_delete_entities safely
PolicyLayer is an MCP gateway: it sits between your AI agents and VaultAssist, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For memory_delete_entities, this is the rule to start with:
memory_delete_entities is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect VaultAssist, apply this rule, and every memory_delete_entities call is checked against it from then on.
Questions about memory_delete_entities
Delete and forget multiple entities and their associated relationships from the user. It is categorised as a Destructive tool in the VaultAssist MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the VaultAssist MCP server in PolicyLayer and add a rule for memory_delete_entities: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches VaultAssist. Nothing to install.
memory_delete_entities is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the memory_delete_entities rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for memory_delete_entities. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
memory_delete_entities is provided by the VaultAssist MCP server (3xcaffeine/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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