# servicetitan_update_appointment

Update appointment time or technician assignment

Agent View of the PolicyLayer registry record for `servicetitan_update_appointment`. HTML page: https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-update-appointment

## Facts

- Tool: `servicetitan_update_appointment`
- Server: ServiceTitan MCP Server (`busybee3333/servicetitan-mcp-2026-complete`) — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete.md
- Homepage: https://github.com/BusyBee3333/servicetitan-mcp-2026-complete
- Risk category: Write (Medium risk)
- Registry record: grade F, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Rate-limited

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "servicetitan_update_appointment",
    "arguments": {}
  }
}
```

## Why servicetitan_update_appointment is rated Medium

This tool modifies existing appointment records (time or technician assignment) in a reversible manner. It is a Write operation as it changes data that can be updated again or reverted. The severity is medium because misuse could disrupt service scheduling and customer experience, but the effects are not irreversible and business operations can be corrected by updating again.

From the tool's own definition: "Tool name contains 'update' and description explicitly states 'Update appointment time or technician assignment', indicating modification of existing appointment data."

## Use case

AI agents use servicetitan_update_appointment 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.

## Recommended policy (PolicyLayer)

Verdict: **Rate-limited**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches ServiceTitan MCP Server:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "servicetitan_update_appointment": {
      "limits": [
        {
          "counter": "servicetitan_update_appointment_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}
```

## Other tools on ServiceTitan MCP Server (107)

- `servicetitan_cancel_appointment` — Destructive — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-cancel-appointment.md
- `servicetitan_cancel_job` — Destructive — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-cancel-job.md
- `servicetitan_cancel_membership` — Destructive — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-cancel-membership.md
- `servicetitan_deactivate_customer` — Destructive — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-deactivate-customer.md
- `servicetitan_deactivate_equipment` — Destructive — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-deactivate-equipment.md
- `servicetitan_deactivate_inventory_item` — Destructive — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-deactivate-inventory-item.md
- `servicetitan_deactivate_location` — Destructive — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-deactivate-location.md
- `servicetitan_remove_customer_tag` — Destructive — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-remove-customer-tag.md
- `servicetitan_void_invoice` — Destructive — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-void-invoice.md
- `servicetitan_create_payment` — Financial — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-create-payment.md
- `servicetitan_deactivate_technician` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-deactivate-technician.md
- `servicetitan_export_payroll` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-export-payroll.md
- `servicetitan_get_appointment` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-appointment.md
- `servicetitan_get_ar_aging_report` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-ar-aging-report.md
- `servicetitan_get_campaign` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-campaign.md
- `servicetitan_get_customer` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-customer.md
- `servicetitan_get_customer_acquisition_report` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-customer-acquisition-report.md
- `servicetitan_get_customer_balance` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-customer-balance.md
- `servicetitan_get_dispatch_board` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-dispatch-board.md
- `servicetitan_get_dispatch_metrics` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-dispatch-metrics.md
- `servicetitan_get_equipment` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-equipment.md
- `servicetitan_get_equipment_history` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-equipment-history.md
- `servicetitan_get_estimate` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-estimate.md
- `servicetitan_get_estimate_items` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-estimate-items.md
- `servicetitan_get_inventory_item` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-inventory-item.md
- `servicetitan_get_inventory_levels` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-inventory-levels.md
- `servicetitan_get_invoice` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-invoice.md
- `servicetitan_get_invoice_items` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-invoice-items.md
- `servicetitan_get_job` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-job.md
- `servicetitan_get_job_costing_report` — Read — https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete/servicetitan-get-job-costing-report.md
- …and 77 more: https://policylayer.com/tools/busybee3333-servicetitan-mcp-2026-complete.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=busybee3333-servicetitan-mcp-2026-complete · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/busybee3333-servicetitan-mcp-2026-complete