contacts_create

A write tool on the ServiceTitan MCP server.

SERVERServiceTitan MCP Server SOURCEjordandalton/servicetitanmcpserver

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/jordandalton-servicetitanmcpserver/contacts-create.md

WHAT IT DOES

What contacts_create does on ServiceTitan MCP Server

AI agents use contacts_create to create or update resources in ServiceTitan MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your ServiceTitan MCP Server environment.

RISK

Why contacts_create is rated Medium

This tool creates new contact data in ServiceTitan, which is a reversible write operation. It modifies the database by adding records but doesn't irreversibly delete data (not Destructive), execute arbitrary code (not Execute), or move money (not Financial).

From the tool's definition Tool name 'contacts_create' indicates creation of contact records. The sibling tools show patterns of CRUD operations (get, get_list, update) on business data within ServiceTitan's CRM/field service system.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs contacts_create 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 contacts_create, this is the rule to start with:

contacts_create Rate-limited

contacts_create stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "contacts_create": {
      "limits": [
        {
          "counter": "contacts_create_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT 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 contacts_create call is checked against it from then on.

FAQ

Questions about contacts_create

What does the contacts_create tool do? +

contacts_create is a write tool on the ServiceTitan MCP Server MCP server. It is categorised as a Write tool in the ServiceTitan MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on contacts_create? +

Register the ServiceTitan MCP Server MCP server in PolicyLayer and add a rule for contacts_create: 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 contacts_create? +

contacts_create is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit contacts_create? +

Yes. Add a rate_limit block to the contacts_create 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 contacts_create completely? +

Set action: deny in the PolicyLayer policy for contacts_create. 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 contacts_create? +

contacts_create 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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