create_location_custom_value
Create a new custom value for a location
This record as markdown: /tools/ghl/create-location-custom-value.md
What create_location_custom_value does on Ghl
AI agents use create_location_custom_value 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 | Yes | Name of the custom value field |
value | string | Yes | Value to assign |
locationId | string | Yes | The location ID |
Parameters from the server's own tool schema.
Why create_location_custom_value is rated Medium
This tool creates new custom value data, which is a reversible modification. While it does not permanently destroy or move money, creating custom values could impact location configurations and business logic. The severity is medium because misuse could create incorrect data entries or cluttered configurations, but the effects are reversible through updates or deletion.
From the tool's definition Tool name 'create_location_custom_value' and description 'Create a new custom value for a location' indicate creation of new data within a location entity in the GoHighLevel CRM system.
Attacks that exploit this kind of access
The rule that runs create_location_custom_value 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 create_location_custom_value, this is the rule to start with:
create_location_custom_value 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Ghl, apply this rule, and every create_location_custom_value call is checked against it from then on.
Questions about create_location_custom_value
Create a new custom value for a location. 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.
create_location_custom_value accepts 3 parameters: name, value, locationId. Required: name, value, locationId. The full parameter table on this page comes from the server's own tool schema.
Register the Ghl MCP server in PolicyLayer and add a rule for create_location_custom_value: 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.
create_location_custom_value 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_location_custom_value 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_location_custom_value. 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_location_custom_value is provided by the Ghl MCP server (ghl-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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