bookings_updatebookingcontact

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/bookings-updatebookingcontact.md

WHAT IT DOES

What bookings_updatebookingcontact does on ServiceTitan MCP Server

AI agents use bookings_updatebookingcontact 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 bookings_updatebookingcontact is rated Medium

The 'update' verb indicates this tool modifies contact information associated with bookings, which is a reversible write operation. This affects business-critical booking data but does not delete records or involve financial transactions. Severity is medium because incorrect contact updates could disrupt service scheduling and customer communication, but the change is reversible.

From the tool's definition Tool name 'bookings_updatebookingcontact' contains 'update', indicating modification of existing booking contact data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

bookings_updatebookingcontact Rate-limited

bookings_updatebookingcontact 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": {
    "bookings_updatebookingcontact": {
      "limits": [
        {
          "counter": "bookings_updatebookingcontact_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 bookings_updatebookingcontact call is checked against it from then on.

FAQ

Questions about bookings_updatebookingcontact

What does the bookings_updatebookingcontact tool do? +

bookings_updatebookingcontact 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 bookings_updatebookingcontact? +

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

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

Can I rate-limit bookings_updatebookingcontact? +

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

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

bookings_updatebookingcontact 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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