servicetitan_add_invoice_item

Add line item to an invoice

SERVERServiceTitan MCP Server SOURCEbusybee3333/servicetitan-mcp-2026-complete

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/busybee3333-servicetitan-mcp-2026-complete/servicetitan-add-invoice-item.md

WHAT IT DOES

What servicetitan_add_invoice_item does on ServiceTitan MCP Server

AI agents use servicetitan_add_invoice_item 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 servicetitan_add_invoice_item is rated Medium

This tool creates or modifies invoice line items, which is a write operation. While invoices relate to financial transactions, the tool itself does not execute payment, transfer money, or create irreversible financial obligations—it only adds line items to a draft or existing invoice.

From the tool's definition Tool name 'servicetitan_add_invoice_item' and description 'Add line item to an invoice' indicate creation/modification of invoice data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

servicetitan_add_invoice_item Rate-limited

servicetitan_add_invoice_item 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": {
    "servicetitan_add_invoice_item": {
      "limits": [
        {
          "counter": "servicetitan_add_invoice_item_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 servicetitan_add_invoice_item call is checked against it from then on.

FAQ

Questions about servicetitan_add_invoice_item

What does the servicetitan_add_invoice_item tool do? +

Add line item to an invoice. 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 servicetitan_add_invoice_item? +

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

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

Can I rate-limit servicetitan_add_invoice_item? +

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

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

servicetitan_add_invoice_item is provided by the ServiceTitan MCP Server MCP server (busybee3333/servicetitan-mcp-2026-complete). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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