calendars_update_calendar

Update Calendar

SERVERGhl SOURCE@aiwerk/mcp-server-ghl

Medium RISK CLASS

Category Write

Parameters 120 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aiwerk-mcp-server-ghl/calendars-update-calendar.md

WHAT IT DOES

What calendars_update_calendar does on Ghl

AI agents use calendars_update_calendar to create or update resources in Ghl, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ghl environment.

Parameter	Type	Required	Description
`name`	string	—
`slug`	string	—
`notes`	string	—
`formId`	string	—
`groupId`	string	—	Group Id
`pixelId`	string	—
`isActive`	boolean	—
`eventType`	string	—
`guestType`	string	—
`openHours`	array	—
`preBuffer`	number	—	Pre-Buffer is additional time that can be added before an appointment, allowing for extra time to get ready
`recurring`	object	—

Parameters from the server's own tool schema.

RISK

Why calendars_update_calendar is rated Medium

An AI agent can call calendars_update_calendar faster than any human can review: one bad instruction and it creates or modifies resources in Ghl by the hundred, each call as confident as the last.

Risk signalsHigh parameter count (58 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs calendars_update_calendar safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Ghl, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For calendars_update_calendar, this is the rule to start with:

calendars_update_calendar Rate-limited

calendars_update_calendar 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "calendars_update_calendar": {
      "limits": [
        {
          "counter": "calendars_update_calendar_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ghl, apply this rule, and every calendars_update_calendar call is checked against it from then on.

FAQ

Questions about calendars_update_calendar

What does the calendars_update_calendar tool do? +

Update Calendar. It is categorised as a Write tool in the Ghl MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does calendars_update_calendar accept? +

calendars_update_calendar accepts 12 parameters: name, slug, notes, formId, groupId, pixelId, isActive, eventType, guestType, openHours, preBuffer, recurring. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on calendars_update_calendar? +

Register the Ghl MCP server in PolicyLayer and add a rule for calendars_update_calendar: 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 Ghl. Nothing to install.

What risk level is calendars_update_calendar? +

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

Can I rate-limit calendars_update_calendar? +

Yes. Add a rate_limit block to the calendars_update_calendar 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 calendars_update_calendar completely? +

Set action: deny in the PolicyLayer policy for calendars_update_calendar. 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 calendars_update_calendar? +

calendars_update_calendar is provided by the Ghl MCP server (@aiwerk/mcp-server-ghl). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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