es_get_aepd_resolution

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

The annotations already declare readOnly, idempotent, and non-destructive behavior, lowering the bar. The description adds that the tool returns a resolution and PDF permalink, but provides no additional context such as error handling, rate limits, or behavior when the number is invalid. This is acceptable but not rich.

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 a single, focused sentence that states the action and the expected output. No wasted words or 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?

Given the simple one-parameter input, clear schema, presence of an output schema, and strong annotations, the description is nearly complete. A small gap is the lack of explicit usage guidance relative to the sibling search tool, but overall the tool is well-specified.

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 input schema has 100% parameter description coverage, so the baseline is 3. The description adds no extra meaning beyond what the schema already provides for the 'expediente' parameter.

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 uses a specific verb ('Resolve') and clearly identifies the resource ('AEPD expediente number') and the outcome ('its resolution and full-text PDF permalink'). This distinguishes the direct-lookup tool from its sibling search tool (es_search_aepd_resolutions).

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 implies the tool is used when you already have a specific expediente number, which is clear context. However, it does not explicitly mention alternatives or exclude search-based workflows, so it falls short of a 5.

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