contact_methods_upsert_contact_method

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/contact-methods-upsert-contact-method.md

WHAT IT DOES

What contact_methods_upsert_contact_method does on ServiceTitan MCP Server

AI agents use contact_methods_upsert_contact_method 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 contact_methods_upsert_contact_method is rated Medium

Upsert operations create or modify records without permanent deletion. In a ServiceTitan business context (likely a field service management platform), upserting contact methods could modify customer contact information, affecting downstream communications and business operations. Severity is high due to potential for data corruption or unauthorized contact information changes affecting multiple business processes.

From the tool's definition Tool name 'contact_methods_upsert_contact_method' indicates upsert operation (insert or update). The 'upsert' action modifies data reversibly.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

contact_methods_upsert_contact_method Rate-limited

contact_methods_upsert_contact_method 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": {
    "contact_methods_upsert_contact_method": {
      "limits": [
        {
          "counter": "contact_methods_upsert_contact_method_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 contact_methods_upsert_contact_method call is checked against it from then on.

FAQ

Questions about contact_methods_upsert_contact_method

What does the contact_methods_upsert_contact_method tool do? +

contact_methods_upsert_contact_method 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 contact_methods_upsert_contact_method? +

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

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

Can I rate-limit contact_methods_upsert_contact_method? +

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

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

contact_methods_upsert_contact_method 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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