arrival_windows_update

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/arrival-windows-update.md

WHAT IT DOES

What arrival_windows_update does on ServiceTitan MCP Server

AI agents use arrival_windows_update 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 arrival_windows_update is rated Medium

The 'update' verb indicates this tool modifies existing data (arrival windows, likely service appointment scheduling). This is reversible data modification without permanent deletion, fitting the Write category. Severity is high because modifying arrival windows in a service business context could impact scheduling, customer communication, and business operations.

From the tool's definition Tool name 'arrival_windows_update' contains 'update', indicating data modification. Description is empty, preventing direct confirmation of specific effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

arrival_windows_update Rate-limited

arrival_windows_update 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": {
    "arrival_windows_update": {
      "limits": [
        {
          "counter": "arrival_windows_update_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 arrival_windows_update call is checked against it from then on.

FAQ

Questions about arrival_windows_update

What does the arrival_windows_update tool do? +

arrival_windows_update 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 arrival_windows_update? +

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

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

Can I rate-limit arrival_windows_update? +

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

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

arrival_windows_update 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.

KEEP EXPLORING

More on ServiceTitan MCP Server, and thousands of servers like it.

This server

All 454 ServiceTitan MCP Server tools →

Across the catalogue

aroflo_create_or_update_record on AroFlo MCP →team_manager_update_budget on Team Manager MCP → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →