get_amazon_reviews

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

No annotations are provided, so the description carries some burden. It discloses pagination and that it returns one page, which is helpful, but it doesn't mention rate limits, error behavior, or what the structure of a review item looks like. The pagination disclosure is useful but limited; for a read-only fetch, the agent can infer safety reasonably well.

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

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

One sentence, no fluff. The phrase 'paginated page' is slightly redundant but acceptable. It front-loads the action and resource, making it easy to scan.

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

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

The tool is simple (2 params, no output schema), so the description covers the essential purpose and pagination. Gaps are minor: no mention of handling invalid ASINs, sorting, or whether a page beyond available results returns empty. Given the simplicity and lack of annotations, a 3 is fair.

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

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

Schema coverage is 50%: 'asin' has a description but 'page' does not. The description says 'paginated page' which implies the page parameter exists but doesn't explain defaulting or bounds (those are in the schema). The ASIN example in the schema helps a lot, and the description clarifies that the resource is reviews for an ASIN, adding value beyond the raw schema.

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

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

States a specific verb ('Fetch'), a specific resource ('Amazon reviews for an ASIN'), and notes the paginated nature, making its scope clear. The description names the input parameter (ASIN) and the output concept (paginated page) without ambiguity. It distinguishes from siblings by focusing on raw review fetching rather than analysis or media filtering.

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

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

The description says when to use it in a general sense: to fetch a paginated page of reviews for an ASIN. It doesn't explicitly state when not to use it or mention alternative sibling tools, but the sibling list (find_complaint_signals, summarize_review_ratings, filter_review_media, compare_review_pages) makes the use cases fairly clear. Still, there's no explicit routing guidance.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.