# create_custom_field Create a new custom field in a location Agent View of the PolicyLayer registry record for `create_custom_field`. HTML page: https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/create-custom-field ## Facts - Tool: `create_custom_field` - Server: GoHighLevel MCP Server (`basicmachines-co/open-ghl-mcp`) — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp.md - Homepage: https://github.com/basicmachines-co/open-ghl-mcp - Risk category: Write (Medium risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Rate-limited ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "create_custom_field", "arguments": {} } } ``` ## Why create_custom_field is rated Medium Creating a custom field is a reversible write operation that adds a new data structure to the CRM. It modifies configuration rather than destroying data, and does not execute arbitrary code or move funds. While it affects the system structure, the field can typically be removed if needed. From the tool's own definition: "Tool description states it will 'Create a new custom field in a location' — this is a create operation that modifies the CRM schema/configuration by adding a new field." ## Use case AI agents use create_custom_field 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. ## Recommended policy (PolicyLayer) Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches GoHighLevel MCP Server: ```json { "version": "1", "default": "deny", "tools": { "create_custom_field": { "limits": [ { "counter": "create_custom_field_rate", "window": "minute", "max": 30, "scope": "grant" } ] } } } ``` ## Other tools on GoHighLevel MCP Server (63) - `delete_appointment` — Destructive — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/delete-appointment.md - `delete_contact` — Destructive — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/delete-contact.md - `delete_contact_note` — Destructive — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/delete-contact-note.md - `delete_contact_task` — Destructive — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/delete-contact-task.md - `delete_custom_field` — Destructive — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/delete-custom-field.md - `delete_custom_value` — Destructive — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/delete-custom-value.md - `delete_opportunity` — Destructive — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/delete-opportunity.md - `delete_user` — Destructive — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/delete-user.md - `remove_contact_from_workflow` — Destructive — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/remove-contact-from-workflow.md - `ghl_request` — Execute — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/ghl-request.md - `debug_config` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/debug-config.md - `get_all_form_submissions` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-all-form-submissions.md - `get_appointment` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-appointment.md - `get_appointments` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-appointments.md - `get_calendar` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-calendar.md - `get_calendars` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-calendars.md - `get_contact` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-contact.md - `get_contact_note` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-contact-note.md - `get_contact_notes` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-contact-notes.md - `get_contact_task` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-contact-task.md - `get_contact_tasks` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-contact-tasks.md - `get_conversation` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-conversation.md - `get_conversations` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-conversations.md - `get_custom_field` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-custom-field.md - `get_custom_fields` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-custom-fields.md - `get_custom_value` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-custom-value.md - `get_custom_values` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-custom-values.md - `get_forms` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-forms.md - `get_free_slots` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-free-slots.md - `get_messages` — Read — https://policylayer.com/tools/basicmachines-co-open-ghl-mcp/get-messages.md - …and 33 more: https://policylayer.com/tools/basicmachines-co-open-ghl-mcp.md ## For agents This record is a snapshot. Live verdicts and the full registry: - Check every server in your MCP config at once: `npx -y policylayer stack` - Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md) - Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events` --- Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=basicmachines-co-open-ghl-mcp · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/basicmachines-co-open-ghl-mcp