leads_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/leads-update.md

WHAT IT DOES

What leads_update does on ServiceTitan MCP Server

AI agents use leads_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 leads_update is rated Medium

The 'leads_update' tool modifies lead records in a business-critical CRM system (ServiceTitan). While reversible through subsequent updates, this carries high severity because leads represent potential revenue opportunities and client contacts. Unauthorized or erroneous updates could damage business relationships, corrupt customer data, or redirect work opportunities.

From the tool's definition Tool name 'leads_update' indicates modification of lead records. The '_update' suffix clearly denotes a write operation that modifies existing data.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

leads_update Rate-limited

leads_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": {
    "leads_update": {
      "limits": [
        {
          "counter": "leads_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 leads_update call is checked against it from then on.

FAQ

Questions about leads_update

What does the leads_update tool do? +

leads_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 leads_update? +

Register the ServiceTitan MCP Server MCP server in PolicyLayer and add a rule for leads_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 leads_update? +

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

Can I rate-limit leads_update? +

Yes. Add a rate_limit block to the leads_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 leads_update completely? +

Set action: deny in the PolicyLayer policy for leads_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 leads_update? +

leads_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 →