DESTRUCTIVE. Hard-delete N TRASHED items. Items not currently in trash are silently skipped. Requires drive:*:purge scope AND TREKMAIL_ALLOW_DESTRUCTIVE=true.
AI agents call drive_bulk_purge to permanently remove resources in TrekMail MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently and irreversibly deletes multiple items from a user's drive. The hard-delete operation cannot be undone, and the requirement for an explicit destructive-mode flag indicates the developers recognized this as a high-risk operation. The ability to delete N items in bulk amplifies the blast radius. This is a clear Destructive category tool with critical severity due to data loss potential.
From the tool's definition Tool name contains 'purge'; description explicitly states 'DESTRUCTIVE. Hard-delete N TRASHED items.' and requires 'TREKMAIL_ALLOW_DESTRUCTIVE=true' flag.
Attacks that exploit this kind of access
DESTRUCTIVE. Hard-delete N TRASHED items. Items not currently in trash are silently skipped. Requires drive:*:purge scope AND TREKMAIL_ALLOW_DESTRUCTIVE=true. It is categorised as a Destructive tool in the TrekMail MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the TrekMail MCP Server MCP server in PolicyLayer and add a rule for drive_bulk_purge: 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 TrekMail MCP Server. Nothing to install.
drive_bulk_purge 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 drive_bulk_purge 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 drive_bulk_purge. 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.
drive_bulk_purge is provided by the TrekMail MCP Server MCP server (trekmail/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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