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 custom field metadata by ID. It performs a query operation with no side effects, making it a Read category tool. The severity is low because retrieving field definitions poses minimal risk—the tool does not modify data, execute code, or trigger external actions. Confidence is high because the description is explicit about the retrieval-only nature of the operation.
From the tool's definition Tool name contains 'get' and description states 'Get a custom field or folder by its ID' with no mention of modification, deletion, 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 (keshigami/ghl-mcp-workiong). 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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