createEvent
Creates a new event on a Google Calendar. Supports timed events (start/end with dateTime) and all-day events (start/end with date). Set sendUpdates to email invitations to attendees.
This record as markdown: /tools/a-bonus-google-docs-mcp/createevent.md
What createEvent does on Claude MCP x Google Docs
AI agents use createEvent to create or update resources in Claude MCP x Google Docs, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Claude MCP x Google Docs environment.
Why createEvent is rated Medium
This tool creates new calendar events, which is a reversible write operation. While it modifies calendar data and can trigger email notifications to attendees, the action is not destructive (events can be deleted/modified later) and does not involve financial transactions or code execution.
From the tool's definition Tool description states it 'Creates a new event on a Google Calendar' with capability to send email invitations to attendees via the sendUpdates parameter.
Attacks that exploit this kind of access
The rule that runs createEvent safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Claude MCP x Google Docs, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For createEvent, this is the rule to start with:
createEvent 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 Claude MCP x Google Docs, apply this rule, and every createEvent call is checked against it from then on.
Questions about createEvent
Creates a new event on a Google Calendar. Supports timed events (start/end with dateTime) and all-day events (start/end with date). Set sendUpdates to email invitations to attendees. It is categorised as a Write tool in the Claude MCP x Google Docs MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Claude MCP x Google Docs MCP server in PolicyLayer and add a rule for createEvent: 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 Claude MCP x Google Docs. Nothing to install.
createEvent 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 createEvent 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 createEvent. 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.
createEvent is provided by the Claude MCP x Google Docs MCP server (a-bonus/google-docs-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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