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

Since no annotations are provided, the description carries the full burden of behavioral disclosure. It reveals that cancellation is 'una acción definitiva' (a definitive action), requires confirmation with the person, has an instant effect on the time slot, and requires folio and name to match. This is valuable context, though it does not mention error cases or permissions.

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 succinct and well-structured: it opens with the action and effect, then lists requirements, and ends with a warning and follow-up instruction. Every sentence earns its place, and there is no redundant repetition of schema information.

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 simple 2-parameter tool with an output schema, the description covers the core purpose, required credentials, irreversibility, and a related workflow. It does not elaborate on error handling, but that is likely covered by the output schema. The description is complete for the tool's complexity.

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 provides only parameter names without descriptions, leaving 0% coverage. The description adds that the name must be the one used when making the reservation and that both folio and name must match, giving some meaning. However, it does not explain the format of folio or how to obtain it, so ambiguity remains.

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 clearly states the tool's function with the verb 'Cancela' (cancels) and a specific resource: 'una reserva existente en Aisha y libera la hora al instante.' This distinguishes it from sibling tools like crear_reserva (create) and consultar_reserva (query).

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 explicitly says when to use this tool (to cancel an existing reservation) and provides an alternative workflow for changing times: 'primero cancela con esta herramienta y luego crea la nueva con crear_reserva.' This names the sibling tool and gives clear sequencing.

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