create_object_schema · GoHighLevel MCP Server MCP

WHAT IT DOES

What create_object_schema does on GoHighLevel MCP Server

AI agents use create_object_schema 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_object_schema needs a policy

This tool creates a new custom object schema (a data structure definition) in the GoHighLevel CRM. Schema creation is a reversible Write operation—it can be updated or deleted later. While it has architectural implications for the CRM system, it does not execute arbitrary code, delete data irreversibly, move money, or perform destructive operations.

From the tool's definition Tool description states 'Create a new custom object schema' - the word 'create' indicates data creation. The sibling tools include 'add_contact_followers', 'add_contact_tags', 'add_inbound_message', and 'bulk_update_contact_business', which are Write…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_object_schema Rate-limited

create_object_schema 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_object_schema": {
      "limits": [
        {
          "counter": "create_object_schema_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

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_object_schema

What does the create_object_schema tool do? +

Create a new custom object schema with labels, key, and primary display property. 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_object_schema? +

Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for create_object_schema: 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_object_schema? +

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

Can I rate-limit create_object_schema? +

Yes. Add a rate_limit block to the create_object_schema 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_object_schema completely? +

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

create_object_schema 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.