purchase_orders_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/purchase-orders-create.md

WHAT IT DOES

What purchase_orders_create does on ServiceTitan MCP Server

AI agents use purchase_orders_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 purchase_orders_create is rated Medium

Creating purchase orders modifies business-critical data and typically commits financial obligations (vendor agreements, procurement commitments). While not a direct payment (which would be Financial), purchase orders are Write operations with significant blast radius if created incorrectly or maliciously.

From the tool's definition Tool name 'purchase_orders_create' indicates creation of purchase orders, which are financial/transactional documents in business systems. The suffix '_create' follows the Write pattern (create, update, post, upload).

Attacks that exploit this kind of access

RECOMMENDED RULE

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

purchase_orders_create Rate-limited

purchase_orders_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": {
    "purchase_orders_create": {
      "limits": [
        {
          "counter": "purchase_orders_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 purchase_orders_create call is checked against it from then on.

FAQ

Questions about purchase_orders_create

What does the purchase_orders_create tool do? +

purchase_orders_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 purchase_orders_create? +

Register the ServiceTitan MCP Server MCP server in PolicyLayer and add a rule for purchase_orders_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 purchase_orders_create? +

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

Can I rate-limit purchase_orders_create? +

Yes. Add a rate_limit block to the purchase_orders_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 purchase_orders_create completely? +

Set action: deny in the PolicyLayer policy for purchase_orders_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 purchase_orders_create? +

purchase_orders_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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