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get_keyword_performance

Retrieve keyword-level performance for Sponsored Products and Sponsored Brands campaigns within a specified date range.

Instructions

Read keyword-level performance for a date range across Sponsored Products and Sponsored Brands campaigns.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
start_dateNoStart of the date range, YYYY-MM-DD.
end_dateNoEnd of the date range, YYYY-MM-DD.
Behavior2/5

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

With no annotations provided, the description carries full burden. It states 'Read' which implies non-destructive, but lacks details on rate limits, data freshness, pagination, or other behavioral traits beyond the basic action.

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 15-word sentence that front-loads the action and resource, with no redundant or extraneous information.

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

Completeness5/5

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

For a simple two-parameter retrieval tool, the description sufficiently conveys what the tool does. No output schema exists, but the context of performance data is clear.

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%, and the schema already describes both parameters (start_date, end_date) with format and description. The description does not add meaningful nuance beyond what the schema provides.

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 clearly states the verb 'Read', the resource 'keyword-level performance', and the scope 'for a date range across Sponsored Products and Sponsored Brands campaigns'. This distinguishes it from sibling tools like get_campaign_performance.

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

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies the tool is for reading keyword performance, but it does not explicitly state when to use it vs. alternatives like get_campaign_performance, nor does it provide any exclusion criteria.

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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