servicetitan_update_appointment

Update appointment time or technician assignment

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-appointment.md

WHAT IT DOES

What servicetitan_update_appointment does on ServiceTitan MCP Server

AI agents use servicetitan_update_appointment 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_appointment is rated Medium

This tool modifies existing appointment records (time or technician assignment) in a reversible manner. It is a Write operation as it changes data that can be updated again or reverted. The severity is medium because misuse could disrupt service scheduling and customer experience, but the effects are not irreversible and business operations can be corrected by updating again.

From the tool's definition Tool name contains 'update' and description explicitly states 'Update appointment time or technician assignment', indicating modification of existing appointment data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

servicetitan_update_appointment Rate-limited

servicetitan_update_appointment 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_appointment": {
      "limits": [
        {
          "counter": "servicetitan_update_appointment_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_appointment call is checked against it from then on.

FAQ

Questions about servicetitan_update_appointment

What does the servicetitan_update_appointment tool do? +

Update appointment time or technician assignment. 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_appointment? +

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

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

Can I rate-limit servicetitan_update_appointment? +

Yes. Add a rate_limit block to the servicetitan_update_appointment 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_appointment completely? +

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

servicetitan_update_appointment 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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