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jyarbro

eBay Seller MCP Server

by jyarbro

ebay_get_listing_structure_policies

Retrieve listing structure policies for a specific eBay marketplace to ensure compliance with category-specific requirements.

Instructions

Get listing structure policies for a marketplace

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
filterNoFilter criteria
marketplaceIdYesMarketplace ID
Behavior2/5

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

No annotations are provided, so the description carries the full burden. It only states a read operation ('Get') but doesn't disclose any behavioral traits such as data freshness, idempotency, rate limiting, or whether the operation requires authentication. The description adds no transparency beyond the obvious.

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

Conciseness5/5

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

The description is a single sentence with no unnecessary words. It is front-loaded and efficient.

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 tool has no output schema, and the one-sentence description is insufficient for a getter in a large sibling group. It fails to explain what listing structure policies are, how they differ from similar policies, or what the response contains. More context is needed for effective agent use.

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 description coverage is 100% (both 'marketplaceId' and 'filter' have descriptions). The description adds no additional meaning beyond the schema, so baseline 3 applies.

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 uses a specific verb ('Get') and resource ('listing structure policies') and indicates the scope ('for a marketplace'). However, it doesn't differentiate from sibling tools like 'ebay_get_listing_type_policies' or 'ebay_get_classified_ad_policies', leaving ambiguity about what 'listing structure policies' entails.

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?

The description provides no guidance on when to use this tool vs. alternatives. There is no mention of use cases, when not to use it, or references to sibling 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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