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

No annotations are provided, so the description must carry the transparency burden. It usefully discloses pay-per-use pricing (0.003 USDC) and the same-language scope, but it does not mention output behavior, processing limits, or whether the input text is preserved verbatim in tone/style changes.

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 short, front-loaded with the core purpose, and contains no filler. The 'input=text' fragment is redundant with the schema, but the pricing note provides operational value and earns its place.

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?

For a one-parameter, no-output-schema tool, the description is reasonably complete: it covers purpose, language behavior, input, and cost. It does not explicitly say the return value is rewritten text, but that is strongly implied by the tool's stated purpose.

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 100% with the single param 'input' already documented as 'texto a reescribir'. The description's 'input=text' is largely redundant and adds no meaningful semantic detail beyond what the schema already provides.

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 specific verb and resource: rewrite text into a formal, professional tone in the same language. The 'same language' note clearly distinguishes it from translation siblings like translate-to and traducir, and the tone goal distinguishes it from summarize/compress.

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?

Usage context is only implied rather than explicit. The phrase 'same language' hints that it should not be used for translation, but the description does not explain when to prefer rewrite-formal over siblings such as proofread, compress, or explain.

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