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ebay_get_shipping_services

Retrieves available shipping services for international eBay shipments. Specify country to get applicable shipping options.

Instructions

Get available shipping services for international shipping

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
paramsNoQuery parameters (e.g., country)
Behavior2/5

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

With no annotations, the description must convey behavioral traits. It only says 'get' implying read-only, but no details on idempotency, authentication, rate limits, or side effects. This is insufficient for agent safety.

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

Conciseness4/5

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

The description is a single sentence with no padding. It earns its place but could benefit from slight expansion for clarity.

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

Completeness2/5

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

The description does not mention return values or output format, despite no output schema. It also fails to explain parameter usage fully. For a simple tool, it misses key completeness aspects.

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

Parameters2/5

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

Schema coverage is 100% but the parameter 'params' is an object with additionalProperties, making it vague. The description adds no meaning beyond the schema example 'country', leaving other possible keys undocumented.

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

Purpose4/5

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

The description clearly states the tool retrieves available shipping services for international shipping, using verb 'Get' and resource 'shipping services'. However, it doesn't differentiate from sibling tools like ebay_get_shipping_policies or ebay_get_shipping_fulfillment, leaving some ambiguity about scope.

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

Usage Guidelines2/5

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 versus alternatives, nor any context such as prerequisites or typical scenarios. The description only states function without 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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