Get all custom fields and folders for a specific object key (e.g., custom object or company).
AI agents call ghl_get_custom_fields_by_object_key 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 queries and retrieves custom field definitions for a given object, returning metadata about the structure of data in the CRM. It performs no side effects, creates no new records, modifies nothing, and cannot delete anything. It is a straightforward read operation appropriate for discovery and inspection tasks.
From the tool's definition Tool name contains 'get' and description states 'Get all custom fields and folders' - a retrieval operation with no modification of data.
Attacks that exploit this kind of access
Get all custom fields and folders for a specific object key (e.g., custom object or company). 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_fields_by_object_key: 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_fields_by_object_key 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_fields_by_object_key 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_fields_by_object_key. 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_fields_by_object_key is provided by the GoHighLevel MCP Server MCP server (mindflowedstudios/mindflowed_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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