Invoices_CreateAdjustmentInvoice

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/invoices-createadjustmentinvoice.md

WHAT IT DOES

What Invoices_CreateAdjustmentInvoice does on ServiceTitan MCP Server

AI agents use Invoices_CreateAdjustmentInvoice 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 Invoices_CreateAdjustmentInvoice is rated Medium

The name implies creating a financial document (adjustment invoice), which is a Write operation. It could have financial implications depending on how invoices flow into billing/payment systems, but without a description confirming money movement, Financial cannot be confirmed. Severity is high due to the financial nature of invoice creation. Confidence is lowered due to the empty description.

From the tool's definition Tool name 'Invoices_CreateAdjustmentInvoice' suggests creation of an adjustment invoice; description is empty and uninformative.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

Invoices_CreateAdjustmentInvoice Rate-limited

Invoices_CreateAdjustmentInvoice 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": {
    "Invoices_CreateAdjustmentInvoice": {
      "limits": [
        {
          "counter": "invoices_createadjustmentinvoice_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 Invoices_CreateAdjustmentInvoice call is checked against it from then on.

FAQ

Questions about Invoices_CreateAdjustmentInvoice

What does the Invoices_CreateAdjustmentInvoice tool do? +

Invoices_CreateAdjustmentInvoice 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 Invoices_CreateAdjustmentInvoice? +

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

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

Can I rate-limit Invoices_CreateAdjustmentInvoice? +

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

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

Invoices_CreateAdjustmentInvoice 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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