gmail_users_messages_untrash
Restore a message from the trash
This record as markdown: /tools/google-workspace-gmail/gmail-users-messages-untrash.md
What gmail_users_messages_untrash does on Google Workspace Gmail (gws CLI)
AI agents use gmail_users_messages_untrash to create or update resources in Google Workspace Gmail (gws CLI), usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Google Workspace Gmail (gws CLI) environment.
Why gmail_users_messages_untrash is rated Medium
This tool modifies the state of an email message by moving it from trash back to its original folder or inbox. It is a reversible write operation—the message can be trashed again if needed. It does not permanently delete data (which would be Destructive) nor does it read/execute arbitrary operations.
From the tool's definition Tool name 'gmail_users_messages_untrash' and description 'Restore a message from the trash' indicate a message state modification operation.
Risk signalsRestores trashed messages
Attacks that exploit this kind of access
The rule that runs gmail_users_messages_untrash 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_untrash, this is the rule to start with:
gmail_users_messages_untrash stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Google Workspace Gmail (gws CLI), apply this rule, and every gmail_users_messages_untrash call is checked against it from then on.
Questions about gmail_users_messages_untrash
Restore a message from the trash. It is categorised as a Write tool in the Google Workspace Gmail (gws CLI) MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Google Workspace Gmail (gws CLI) MCP server in PolicyLayer and add a rule for gmail_users_messages_untrash: 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.
gmail_users_messages_untrash is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the gmail_users_messages_untrash 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 gmail_users_messages_untrash. 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.
gmail_users_messages_untrash 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.
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