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woraphol-j

LINE Shopping API MCP

by woraphol-j

Cancel_Order

Cancel an order by providing the order number and a cancellation remark.

Instructions

An API for cancel order.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
orderNoYesOrder number
remarkCancelYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
checkoutAtNoCheckouted date
discountAmountNoTotal discount from the order price (excluding instant discounts applied to products)
isGiftNoIf product is set to 'Allow gift' or 'Gift only' will be returned 'true'
lastUpdatedAtNoLast updated date
orderItemsNo
orderNumberNoOrder number
orderStatusNoOrder status
paidAtNoPaid date
paymentMethodNoPayment method
paymentStatusNoPayment status
remarkBuyerNoNote from buyer
remarkRecipientNoRemark recipient
shipmentDetailNo
shipmentPriceNoTotal shipping fee
shipmentStatusNoShipment status
shippingAddressNo
subtotalPriceNoSubtotal price after applying instant discount to order items
totalPriceNoTotal order price (subtotalPrice + shipmentPrice - discountAmount)
weightNoTotal weight
Behavior1/5

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

With no annotations, the description must carry the burden of disclosing behavioral traits. It does not mention any side effects, required permissions, irreversibility, or what happens upon cancellation, making it completely insufficient.

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

Conciseness2/5

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

The description is extremely short, but it is under-specified. Conciseness is valued, but here it comes at the cost of missing critical information, resulting in an ineffective description.

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?

Even for a simple tool with two parameters and an output schema, the description fails to explain the output, prerequisites (e.g., order must exist), or post-conditions, making it contextually incomplete.

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?

Schema description coverage is only 50% (one of two parameters has a description). The main description adds no parameter-level context beyond the schema, failing to compensate for the missing parameter documentation.

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

Purpose2/5

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

The description 'An API for cancel order' essentially restates the tool name 'Cancel_Order' without adding specificity about what cancellation entails or how it differs from sibling tools like 'Order_detail' or 'Mark_as_paid_COD'.

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?

No guidance is provided on when to use this tool, prerequisites (e.g., order status), or alternatives. The description is entirely absent of usage context.

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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