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gioenjoy

mcp-google-merchant-center

by gioenjoy

list_products

Retrieve a list of products from your Google Merchant Center account, with options to filter by merchant ID and paginate results.

Instructions

Lista prodotti nel Merchant Center

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
merchant_idNoMerchant Center ID (opzionale, default 123456789). Disponibili: 5291449515, 5747906518, 5443978365
max_resultsNoNumero massimo di prodotti (default 50)
page_tokenNoToken per paginazione
Behavior2/5

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

Without annotations, the description carries the full burden but only states it lists products. It does not disclose behavioral traits like read-only nature, pagination details, authentication requirements, or rate limits. The minimal description is insufficient for an agent to understand side effects or constraints.

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 extremely concise with a single sentence, containing no unnecessary words. However, it lacks structure and could benefit from more detail, but for conciseness it earns a 4.

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 description does not explain return values, error handling, or pagination behavior. Given the 3 parameters and moderate complexity, the description is incomplete and leaves significant gaps for an agent to understand the full usage.

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% with all three parameters described. The description adds no extra meaning beyond what is already in the schema, so a baseline score of 3 is appropriate.

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 'Lista prodotti nel Merchant Center' (List products in the Merchant Center), using a specific verb and resource. However, it does not differentiate from siblings like 'search_products' or 'get_product', which could lead to ambiguity.

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 vs alternatives. Sibling tools such as 'search_products' and 'get_product' exist, but the description offers no context for selection.

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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