GOOGLECALENDAR_UPDATE_ACL_RULE

// WHEN AI AGENTS USE THIS TOOL

AI agents use GOOGLECALENDAR_UPDATE_ACL_RULE to create or modify resources in Google Calendar. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.

// WHY ENFORCE A POLICY ON GOOGLECALENDAR_UPDATE_ACL_RULE

Without a policy, an AI agent could call GOOGLECALENDAR_UPDATE_ACL_RULE repeatedly, creating or modifying resources faster than any human could review. Intercept's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach Google Calendar.

// RECOMMENDED POLICY

Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.

google-calendar.yaml

tools:
  GOOGLECALENDAR_UPDATE_ACL_RULE:
    rules:
      - action: allow
        rate_limit:
          max: 30
          window: 60

See the full Google Calendar policy for all 29 tools.

// DETAILS

Tool Name GOOGLECALENDAR_UPDATE_ACL_RULE

Category Write

MCP Server Google Calendar MCP Server

Risk Level Medium

// MORE GOOGLE CALENDAR TOOLS

Destructive GOOGLECALENDAR_CALENDARS_DELETE Destructive GOOGLECALENDAR_CLEAR_CALENDAR Destructive GOOGLECALENDAR_DELETE_EVENT Destructive GOOGLECALENDAR_REMOVE_ATTENDEE Write GOOGLECALENDAR_ACL_PATCH Write GOOGLECALENDAR_CALENDARS_UPDATE Write GOOGLECALENDAR_CREATE_EVENT Write GOOGLECALENDAR_EVENTS_MOVE

View all 29 tools →

// WHAT CAN GO WRONG

Agents calling write-class tools like GOOGLECALENDAR_UPDATE_ACL_RULE have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

// OTHER WRITE TOOLS ACROSS MCP SERVERS

Other tools in the Write risk category across the catalogue. The same policy patterns (rate-limit, validate) apply to each.

AbraFlexi contact_create AbraFlexi contact_update AbraFlexi evidence_create AbraFlexi evidence_update AbraFlexi invoice_issued_update AbraFlexi invoice_received_create

// RELATED READING

// FAQ

What does the GOOGLECALENDAR_UPDATE_ACL_RULE tool do? +

Updates an access control rule for the specified calendar.. It is categorised as a Write tool in the Google Calendar MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on GOOGLECALENDAR_UPDATE_ACL_RULE? +

Add a rule in your Intercept YAML policy under the tools section for GOOGLECALENDAR_UPDATE_ACL_RULE. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Google Calendar MCP server.

What risk level is GOOGLECALENDAR_UPDATE_ACL_RULE? +

GOOGLECALENDAR_UPDATE_ACL_RULE is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit GOOGLECALENDAR_UPDATE_ACL_RULE? +

Yes. Add a rate_limit block to the GOOGLECALENDAR_UPDATE_ACL_RULE rule in your Intercept 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 GOOGLECALENDAR_UPDATE_ACL_RULE completely? +

Set action: deny in the Intercept policy for GOOGLECALENDAR_UPDATE_ACL_RULE. 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 GOOGLECALENDAR_UPDATE_ACL_RULE? +

GOOGLECALENDAR_UPDATE_ACL_RULE is provided by the Google Calendar MCP server (google-cal-mcp). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

GOOGLECALENDAR_UPDATE_ACL_RULE

Enforce policies on Google Calendar