Get a custom field or folder by its ID. Supports custom objects and company (business) fields.
AI agents call ghl_get_custom_field_by_id to retrieve information from GoHighLevel MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data about a custom field or folder by ID. It performs a simple lookup query without creating, modifying, deleting, or executing any operations. The action is read-only and carries minimal risk if misused by an AI agent.
From the tool's definition Tool name contains 'get' and description states 'Get a custom field or folder by its ID' — a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Get a custom field or folder by its ID. Supports custom objects and company (business) fields. It is categorised as a Read tool in the GoHighLevel MCP Server MCP Server, which means it retrieves data without modifying state.
Register the GoHighLevel MCP Server MCP server in PolicyLayer and add a rule for ghl_get_custom_field_by_id: 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.
ghl_get_custom_field_by_id is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the ghl_get_custom_field_by_id 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 ghl_get_custom_field_by_id. 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.
ghl_get_custom_field_by_id 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.
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