gmail_users_messages_delete

Permanently delete a message

SERVERGoogle Workspace Gmail (gws CLI) SOURCE@gws mcp -s gmail

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/google-workspace-gmail/gmail-users-messages-delete.md

WHAT IT DOES

What gmail_users_messages_delete does on Google Workspace Gmail (gws CLI)

AI agents call gmail_users_messages_delete to permanently remove resources in Google Workspace Gmail (gws CLI), typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why gmail_users_messages_delete is rated Critical

This tool irreversibly removes email messages from a user's mailbox. The action cannot be undone and results in permanent data loss. While the blast radius depends on which messages are targeted, permanent deletion of communications is a high-severity destructive operation. Classified as Destructive (not Write) because the operation is not reversible.

From the tool's definition Tool name contains 'delete' and description explicitly states 'Permanently delete a message'—this is irreversible data destruction.

Risk signalsIrreversible message deletion

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gmail_users_messages_delete safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Google Workspace Gmail (gws CLI), and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For gmail_users_messages_delete, this is the rule to start with:

gmail_users_messages_delete Hidden

gmail_users_messages_delete is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "gmail_users_messages_delete"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Google Workspace Gmail (gws CLI), apply this rule, and every gmail_users_messages_delete call is checked against it from then on.

FAQ

Questions about gmail_users_messages_delete

What does the gmail_users_messages_delete tool do? +

Permanently delete a message. It is categorised as a Destructive tool in the Google Workspace Gmail (gws CLI) MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on gmail_users_messages_delete? +

Register the Google Workspace Gmail (gws CLI) MCP server in PolicyLayer and add a rule for gmail_users_messages_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 Google Workspace Gmail (gws CLI). Nothing to install.

What risk level is gmail_users_messages_delete? +

gmail_users_messages_delete is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit gmail_users_messages_delete? +

Yes. Add a rate_limit block to the gmail_users_messages_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.

How do I block gmail_users_messages_delete completely? +

Set action: deny in the PolicyLayer policy for gmail_users_messages_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.

What MCP server provides gmail_users_messages_delete? +

gmail_users_messages_delete is provided by the Google Workspace Gmail (gws CLI) MCP server (@gws mcp -s gmail). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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