gmail_users_settings_updateVacation
Update vacation responder settings
This record as markdown: /tools/google-workspace-gmail/gmail-users-settings-updatevacation.md
What gmail_users_settings_updateVacation does on Google Workspace Gmail (gws CLI)
AI agents use gmail_users_settings_updateVacation 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_settings_updateVacation is rated Medium
This tool modifies user account settings (vacation responder configuration) but does not delete data or execute arbitrary code. The change is reversible—vacation settings can be re-configured or disabled. Severity is medium because misconfiguration could cause unintended auto-replies to senders, affecting communication but not causing data loss or financial harm.
From the tool's definition Tool name 'updateVacation' and description 'Update vacation responder settings' indicate modification of user settings; operation is reversible (vacation settings can be disabled or updated again).
Risk signalsAuto-replies to incoming email
Attacks that exploit this kind of access
The rule that runs gmail_users_settings_updateVacation 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_settings_updateVacation, this is the rule to start with:
gmail_users_settings_updateVacation 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_settings_updateVacation call is checked against it from then on.
Questions about gmail_users_settings_updateVacation
Update vacation responder settings. 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_settings_updateVacation: 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_settings_updateVacation 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_settings_updateVacation 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_settings_updateVacation. 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_settings_updateVacation 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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