AI agents use create_calendar_group to create or update resources in GoHighLevel MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your GoHighLevel MCP Server environment.
Creating a calendar group is a write operation that adds new data to the system. It does not execute arbitrary code, delete data irreversibly, or move money. The impact is limited to organizational structure with no cascading side effects on core business operations.
From the tool's definition Tool name 'create_calendar_group' and description 'Create a new calendar group' indicate data creation. The action is reversible (groups can be deleted), and has minimal blast radius.
Documented attack patterns abuse exactly the kind of access create_calendar_group gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and GoHighLevel MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for create_calendar_group:
{
"version": "1",
"default": "deny",
"tools": {
"create_calendar_group": {
"limits": [
{
"counter": "create_calendar_group_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}create_calendar_group 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.
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Create a new calendar group. It is categorised as a Write tool in the GoHighLevel MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for create_calendar_group: 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 GoHighLevel MCP Server. Nothing to install.
create_calendar_group 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 create_calendar_group 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 create_calendar_group. 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.
create_calendar_group is provided by the GoHighLevel MCP Server MCP server (mastanley13/gohighlevel-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 255 GoHighLevel MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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255 GoHighLevel MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.