Move a Gmail message to trash. Messages in trash are automatically deleted after 30 days.
AI agents call deleteGmailMessage to permanently remove resources in Google Workspace MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Although messages remain recoverable for 30 days, this tool permanently removes messages from the user's active mailbox and inbox. Unintended deletion of important emails could cause significant data loss and impact business operations. The operation cannot be undone immediately by the user without manual recovery from trash.
From the tool's definition Tool description states it moves Gmail messages to trash, which is irreversibly deleted after 30 days. The name 'deleteGmailMessage' and description explicitly describe a deletion operation on user data.
Attacks that exploit this kind of access
Move a Gmail message to trash. Messages in trash are automatically deleted after 30 days. It is categorised as a Destructive tool in the Google Workspace MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Google Workspace MCP Server MCP server in PolicyLayer and add a rule for deleteGmailMessage: 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 Workspace MCP Server. Nothing to install.
deleteGmailMessage 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 deleteGmailMessage 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 deleteGmailMessage. 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.
deleteGmailMessage is provided by the Google Workspace MCP Server MCP server (pm990320/google-workspace-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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