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montrellcruse

ServiceTitan MCP Server (Enterprise)

inventory_purchase_orders_update

Update purchase order details including vendor, items, status, and addresses. Modify existing purchase orders to reflect changes in inventory orders.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesPurchase order ID
dateNoPurchase order date
memoNoPurchase order memo text
itemsNoPurchase order line items
jobIdNoJob ID associated with the PO
billToNoBilling address for the purchase order
numberNoPurchase order number
sentOnNoDate/time when PO was sent
shipToNoShipping address for the purchase order
statusNoPurchase order status
summaryNoPurchase order summary text
vendorIdNoVendor ID for the purchase order
projectIdNoProject ID associated with the PO
_confirmedNoSet to true to confirm this write operation
technicianIdNoTechnician ID associated with the PO
externalLinksNoExternal links associated with the PO
businessUnitIdNoBusiness unit ID associated with the PO
expectedDeliveryOnNoExpected delivery date/time
inventoryLocationIdNoInventory location ID associated with the PO
purchaseOrderTypeIdNoPurchase order type ID
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

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Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

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Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

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Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

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Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

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Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

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Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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