Delete a reply to a comment on a file
AI agents call drive_file_delete_reply to permanently remove resources in Google Drive MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes a comment reply, which cannot be undone. While the scope is limited to comment replies rather than file data, deletion of collaborative content is irreversible and falls under the Destructive category. An agent with this capability could maliciously remove discussion history, evidence, or feedback.
From the tool's definition Tool name explicitly contains 'delete' and description states 'Delete a reply to a comment on a file'. The verb 'delete' combined with action on collaborative content indicates irreversible removal.
Attacks that exploit this kind of access
Delete a reply to a comment on a file. It is categorised as a Destructive tool in the Google Drive MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Google Drive MCP Server MCP server in PolicyLayer and add a rule for drive_file_delete_reply: 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 Google Drive MCP Server. Nothing to install.
drive_file_delete_reply 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_file_delete_reply 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_file_delete_reply. 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_file_delete_reply is provided by the Google Drive MCP Server MCP server (rishipradeep-think41/google-drive-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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