customer_memberships_get_custom_fields

A read tool on the ServiceTitan MCP server.

SERVERServiceTitan MCP Server SOURCEjordandalton/servicetitanmcpserver

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/jordandalton-servicetitanmcpserver/customer-memberships-get-custom-fields.md

WHAT IT DOES

What customer_memberships_get_custom_fields does on ServiceTitan MCP Server

AI agents call customer_memberships_get_custom_fields to retrieve information from ServiceTitan MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why customer_memberships_get_custom_fields is rated Low

The tool appears to retrieve custom field information associated with customer memberships. Despite the empty description limiting certainty, the 'get' operation typically indicates a read-only query with no side effects. The sibling tools show patterns like 'get', 'get_list', and 'update', with this tool following the read pattern.

From the tool's definition Tool name contains 'get' and 'custom_fields', indicating retrieval of field definitions or customer membership data. No verbs suggesting modification (update, create, delete) or execution are present.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs customer_memberships_get_custom_fields safely

PolicyLayer is an MCP gateway: it sits between your AI agents and ServiceTitan MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For customer_memberships_get_custom_fields, this is the rule to start with:

customer_memberships_get_custom_fields Allowed

customer_memberships_get_custom_fields is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "customer_memberships_get_custom_fields": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect ServiceTitan MCP Server, apply this rule, and every customer_memberships_get_custom_fields call is checked against it from then on.

FAQ

Questions about customer_memberships_get_custom_fields

What does the customer_memberships_get_custom_fields tool do? +

customer_memberships_get_custom_fields is a read tool on the ServiceTitan MCP Server MCP server. It is categorised as a Read tool in the ServiceTitan MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on customer_memberships_get_custom_fields? +

Register the ServiceTitan MCP Server MCP server in PolicyLayer and add a rule for customer_memberships_get_custom_fields: 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 ServiceTitan MCP Server. Nothing to install.

What risk level is customer_memberships_get_custom_fields? +

customer_memberships_get_custom_fields is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit customer_memberships_get_custom_fields? +

Yes. Add a rate_limit block to the customer_memberships_get_custom_fields 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.

How do I block customer_memberships_get_custom_fields completely? +

Set action: deny in the PolicyLayer policy for customer_memberships_get_custom_fields. 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.

What MCP server provides customer_memberships_get_custom_fields? +

customer_memberships_get_custom_fields is provided by the ServiceTitan MCP Server MCP server (jordandalton/servicetitanmcpserver). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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