servicetitan_update_invoice

Update invoice details

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-update-invoice.md

WHAT IT DOES

What servicetitan_update_invoice does on ServiceTitan MCP Server

AI agents use servicetitan_update_invoice 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_update_invoice is rated Medium

This tool creates or modifies data reversibly (Write category), not destructively. However, invoices are critical financial documents—unauthorized modifications could alter payment amounts, terms, or customer billing records, creating significant liability and fraud risk.

From the tool's definition Tool name 'servicetitan_update_invoice' and description 'Update invoice details' indicate modification of existing invoice records. Invoices are financial documents; updating them modifies customer billing records and financial obligations.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

servicetitan_update_invoice Rate-limited

servicetitan_update_invoice 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_update_invoice": {
      "limits": [
        {
          "counter": "servicetitan_update_invoice_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_update_invoice call is checked against it from then on.

FAQ

Questions about servicetitan_update_invoice

What does the servicetitan_update_invoice tool do? +

Update invoice details. 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_update_invoice? +

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

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

Can I rate-limit servicetitan_update_invoice? +

Yes. Add a rate_limit block to the servicetitan_update_invoice 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_update_invoice completely? +

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

servicetitan_update_invoice 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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