imap_bulk_delete
AI agents call imap_bulk_delete to permanently remove resources in Email MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool performs irreversible deletion of email data at scale ('bulk_delete'). Even though the description is empty, the function name is unambiguous: it deletes email messages, which cannot be recovered once removed from the server. This is the most severe category—destructive operations that eliminate data permanently. An AI agent could inadvertently delete entire mailboxes or critical correspondence.
From the tool's definition Tool name is 'imap_bulk_delete' which directly indicates irreversible deletion of email data in bulk. The 'delete' verb combined with 'bulk' qualifier signals mass removal of messages that cannot be undone.
Attacks that exploit this kind of access
imap_bulk_delete. It is categorised as a Destructive tool in the Email MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Email MCP Server MCP server in PolicyLayer and add a rule for imap_bulk_delete: 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 Email MCP Server. Nothing to install.
imap_bulk_delete 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 imap_bulk_delete 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 imap_bulk_delete. 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.
imap_bulk_delete is provided by the Email MCP Server MCP server (sventern/mcp_email). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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