# mautic_list_contact_custom_fields List all contact custom fields with their configuration (alias, type, group, default value, options) Agent View of the PolicyLayer registry record for `mautic_list_contact_custom_fields`. HTML page: https://policylayer.com/tools/esanum-mcp-mautic/mautic-list-contact-custom-fields ## Facts - Tool: `mautic_list_contact_custom_fields` - Server: Mcp Mautic (`esanum/mcp-mautic`) — https://policylayer.com/tools/esanum-mcp-mautic.md - Homepage: https://github.com/esanum/mcp-mautic - Risk category: Read (Low risk) - Registry record: grade F, identity unverified - Server rate-limited: no - Parameters: 0 - Recommended policy verdict: Allowed ## Example call (MCP tools/call, JSON-RPC 2.0) ```json { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "mautic_list_contact_custom_fields", "arguments": {} } } ``` ## Why mautic_list_contact_custom_fields is rated Low This tool retrieves and queries the schema/configuration of custom fields in the Mautic contact system. It has no side effects, cannot modify data, and poses minimal risk if an AI agent calls it. The blast radius is negligible—it only exposes metadata about field structure, which is typically non-sensitive configuration information. Classified as Read with low severity. From the tool's own definition: "Tool name contains 'list' and description states 'List all contact custom fields with their configuration' — a purely informational retrieval operation with no modification, deletion, or execution of code." ## Use case AI agents call mautic_list_contact_custom_fields to retrieve information from Mcp Mautic without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere. ## Recommended policy (PolicyLayer) Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches Mcp Mautic: ```json { "version": "1", "default": "deny", "tools": { "mautic_list_contact_custom_fields": {} } } ``` ## Other tools on Mcp Mautic (228) - `mautic_batch_delete_contacts` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-batch-delete-contacts.md - `mautic_campaign_force_reentry` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-campaign-force-reentry.md - `mautic_contact_gdpr_erase` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-contact-gdpr-erase.md - `mautic_delete_asset` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-asset.md - `mautic_delete_campaign` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-campaign.md - `mautic_delete_category` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-category.md - `mautic_delete_company` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-company.md - `mautic_delete_company_field` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-company-field.md - `mautic_delete_contact` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-contact.md - `mautic_delete_contact_field` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-contact-field.md - `mautic_delete_dynamic_content` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-dynamic-content.md - `mautic_delete_email` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-email.md - `mautic_delete_file` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-file.md - `mautic_delete_focus` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-focus.md - `mautic_delete_form` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-form.md - `mautic_delete_form_action` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-form-action.md - `mautic_delete_form_field` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-form-field.md - `mautic_delete_message` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-message.md - `mautic_delete_note` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-note.md - `mautic_delete_notification` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-notification.md - `mautic_delete_page` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-page.md - `mautic_delete_point_action` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-point-action.md - `mautic_delete_point_group` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-point-group.md - `mautic_delete_point_trigger` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-point-trigger.md - `mautic_delete_role` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-role.md - `mautic_delete_segment` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-segment.md - `mautic_delete_sms` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-sms.md - `mautic_delete_stage` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-stage.md - `mautic_delete_tag` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-tag.md - `mautic_delete_user` — Destructive — https://policylayer.com/tools/esanum-mcp-mautic/mautic-delete-user.md - …and 198 more: https://policylayer.com/tools/esanum-mcp-mautic.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=esanum-mcp-mautic · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/esanum-mcp-mautic