Variable	Required	Description
`SERVICETITAN_CLIENT_ID`	Yes	App client ID from ServiceTitan developer portal
`SERVICETITAN_CLIENT_SECRET`	Yes	App client secret
`SERVICETITAN_TENANT_ID`	Yes	Tenant/company ID

API Endpoints

API Base: https://api.servicetitan.io
Auth: https://auth.servicetitan.io/connect/token

Tools

Jobs

list_jobs - List work orders with filtering by status, customer, technician
get_job - Get detailed job information
create_job - Create new jobs/work orders

Customers (CRM)

list_customers - List customers with filtering
get_customer - Get customer details with locations and contacts

Accounting

list_invoices - List invoices with filtering by status, customer, job

Dispatch

list_technicians - List field technicians
list_appointments - List scheduled appointments

Usage with Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "servicetitan": {
      "command": "node",
      "args": ["/path/to/mcp-servers/servicetitan/dist/index.js"],
      "env": {
        "SERVICETITAN_CLIENT_ID": "your-client-id",
        "SERVICETITAN_CLIENT_SECRET": "your-client-secret",
        "SERVICETITAN_TENANT_ID": "your-tenant-id"
      }
    }
  }
}

Authentication

ServiceTitan uses OAuth 2.0 Client Credentials flow:

Register your app in the ServiceTitan Developer Portal
Request access to required API modules (CRM, JPM, Dispatch, Accounting)
Get client credentials and tenant ID

The MCP server automatically handles token refresh.

API Modules

ServiceTitan API is organized into modules:

jpm - Job Planning & Management (jobs, estimates)
crm - Customer Relationship Management (customers, locations)
dispatch - Dispatch (technicians, appointments, zones)
accounting - Accounting (invoices, payments)

Examples

List scheduled jobs:

list_jobs(status: "Scheduled", pageSize: 25)

Get customer with details:

get_customer(customer_id: 12345)

Create a new job:

create_job(
  customerId: 12345,
  locationId: 67890,
  jobTypeId: 111,
  priority: "High",
  summary: "AC repair - no cooling"
)

List tomorrow's appointments:

list_appointments(
  startsOnOrAfter: "2024-01-15T00:00:00Z",
  startsOnOrBefore: "2024-01-15T23:59:59Z"
)