archive_gmail_messages
AI agents call archive_gmail_messages to permanently remove resources in Gmail MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Archiving emails removes them from the inbox in a way that is difficult to reverse en masse (especially given the 'bulk_archive_gmail' sibling), and could cause significant loss of visibility into important communications. While Gmail archiving is technically reversible per message, bulk archiving by an AI agent is effectively destructive in practice.
From the tool's definition Tool name 'archive_gmail_messages'; description is empty. Sibling tool 'bulk_archive_gmail' exists, suggesting archiving is a key server action.
Attacks that exploit this kind of access
archive_gmail_messages. It is categorised as a Destructive tool in the Gmail MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Gmail MCP Server MCP server in PolicyLayer and add a rule for archive_gmail_messages: 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 Gmail MCP Server. Nothing to install.
archive_gmail_messages 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 archive_gmail_messages 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 archive_gmail_messages. 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.
archive_gmail_messages is provided by the Gmail MCP Server MCP server (stevesimpson418/gmail-mcp-server). 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.
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