create_block_slot · GoHighLevel MCP Server MCP

WHAT IT DOES

What create_block_slot does on GoHighLevel MCP Server

AI agents use create_block_slot 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.

WHY IT NEEDS A POLICY

Why create_block_slot needs a policy

This tool creates (write) a new scheduling constraint without permanently deleting or overwriting existing data. It is reversible (the block can be removed). The severity is medium because misuse could disrupt legitimate business scheduling and customer booking flows, but does not destroy data or move money.

From the tool's definition Tool description states it will "Create a blocked time slot" — this creates a new calendar/scheduling resource that modifies the availability state of the calendar system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_block_slot Rate-limited

create_block_slot 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": {
    "create_block_slot": {
      "limits": [
        {
          "counter": "create_block_slot_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches GoHighLevel MCP Server, so you can run agents against it safely.

FAQ

Questions about create_block_slot

What does the create_block_slot tool do? +

Create a blocked time slot to prevent bookings during specific times. 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.

How do I enforce a policy on create_block_slot? +

Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for create_block_slot: 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.

What risk level is create_block_slot? +

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

Can I rate-limit create_block_slot? +

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

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

create_block_slot is provided by the GoHighLevel MCP Server MCP server (tailormadeweddings/gohighlevel-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.