appointments_hold

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/appointments-hold.md

WHAT IT DOES

What appointments_hold does on ServiceTitan MCP Server

AI agents use appointments_hold 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 appointments_hold is rated Medium

The tool name 'hold' indicates a state change to an appointment object—likely reversible by removing the hold. This is a data modification action without permanent deletion or financial impact. The context of a service business API (ServiceTitan) where appointment status management is core confirms Write-category behavior.

From the tool's definition Tool name 'appointments_hold' suggests modifying appointment status by placing a hold on it, consistent with other Write operations on the server ('adjustments_update'). No description provided, limiting certainty.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

appointments_hold Rate-limited

appointments_hold 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": {
    "appointments_hold": {
      "limits": [
        {
          "counter": "appointments_hold_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 appointments_hold call is checked against it from then on.

FAQ

Questions about appointments_hold

What does the appointments_hold tool do? +

appointments_hold 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 appointments_hold? +

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

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

Can I rate-limit appointments_hold? +

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

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

appointments_hold 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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