get_brands

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

Annotations already declare readOnlyHint and idempotentHint as true, so the description doesn't need to restate safety. The description adds that this is limited to Premier users, which is useful behavioral context. However, it does not describe what happens when filters are applied (e.g., case sensitivity, empty results).

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?

The description is very short at one sentence, which is efficient. It conveys the core purpose and a key restriction (Premier exclusive) without waste. However, it could be slightly more structured to better explain the optional filters.

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?

Given the complexity (4 optional parameters, no enums, no output schema), the description is incomplete. It explains two of the four parameters and mentions the Premier restriction, but does not cover region, language, output format, or how results are ordered. The annotations help but the description leaves gaps.

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 description coverage is 0%, so the description must compensate for the four undocumented parameters. The description mentions filtering by 'starting letter' (maps to starts_with) and 'type' (maps to brand_type), but does not explain region or language parameters. With zero schema coverage, the description only partially bridges the gap.

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?

The description states a clear verb ('Get') and resource ('list of food brands'), and mentions optional filtering by starting letter and type. However, it does not distinguish this tool from the many sibling tools that also involve retrieving food-related data, such as 'get_food' or 'search_foods'.

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 'Premier exclusive' which gives some context about when the tool is available, but there is no guidance on when to use this tool versus the many sibling tools like 'search_foods', 'get_food', or 'autocomplete_foods'. No alternatives or exclusions are mentioned.

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