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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint: false, but the description adds no behavioral details beyond those. It does not disclose output format, pagination, or any additional traits, and it does not contradict the annotations either—it simply provides nothing.

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 but under-specified rather than usefully concise. It uses only a noun phrase and could easily include a verb and parameter explanation in the same space. It lacks the completeness needed for a helpful description.

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?

Despite having a single parameter, an output schema, and many sibling tools, the description is inadequate. It does not explain the output, the meaning of the id, or the scope of 'translations', leaving the agent without enough information to invoke the tool correctly.

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?

The schema has a single 'id' parameter with no description. The phrase 'of a sentence' hints that the id likely identifies a sentence, but it does not explicitly define the parameter or expected values. This is minimal added meaning, insufficient to compensate for the 0% schema coverage.

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 'Translations of a sentence.' identifies the resource (sentence) but lacks an explicit verb (e.g., 'get' or 'retrieve'), making the action implicit. It provides a vague purpose rather than a clear directive, but it is not a pure tautology since it adds the 'of a sentence' context.

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 gives no guidance on when to use this tool or how it relates to alternatives like 'sentence' or 'languages'. There is no mention of use cases, exclusions, or preferred alternatives, leaving the agent without any decision-making support.

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