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ebay_create_shipping_fulfillment

Create shipping fulfillment for an eBay order by providing order ID and fulfillment details including tracking information.

Instructions

Create a shipping fulfillment for an order.

Required OAuth Scope: sell.fulfillment Minimum Scope: https://api.ebay.com/oauth/api_scope/sell.fulfillment

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
orderIdYesThe order ID
fulfillmentYesShipping fulfillment details including tracking number
Behavior2/5

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

No annotations provided. Description only states 'Create', implying mutation, but lacks details on side effects, success/failure responses, or whether the operation is idempotent. The OAuth scope requirement is helpful but insufficient.

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 concise with one meaningful sentence plus scope info. No wasted words, but could be more structured or include a brief usage note.

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?

No output schema, no annotations. The description does not specify return values or error handling. For a create tool with nested parameters, more behavioral context is needed.

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

Parameters3/5

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

Schema coverage is 100%, so parameters have descriptions. The tool description adds no extra parameter information beyond OAuth scope, which is not a tool parameter. Baseline score of 3 applies.

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

Purpose5/5

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

The description 'Create a shipping fulfillment for an order' uses a specific verb and resource, clearly stating the action and object. It differentiates from sibling tools like ebay_get_shipping_fulfillment (read) and ebay_create_package.

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 on when to use this tool versus alternatives. Only OAuth scope is mentioned, but no context about prerequisites, order status requirements, or comparison with other create tools.

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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