Cosas Guapas: buscador de regalos

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

Annotations already establish this is a safe, read-only, closed-domain lookup, so the bar is lower. The description adds genuinely useful behavior: results are capped at 10, each item includes a fit rationale and price range, and photos/live price/purchase location live on the linked product page rather than in the response — an important expectation to set since there is no output schema.

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?

Two sentences, zero padding, and the core purpose is front-loaded ahead of the input guidance. Every sentence carries information an agent needs: what to send and what comes back.

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?

With no output schema and no enums, the description fully compensates by describing the return payload, its 10-item cap, and the pointer to product pages for prices and photos. Combined with annotations covering the safety profile, nothing essential is missing for correct invocation.

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%, so the baseline is 3; the schema already explains limit, query and max_price in euros. The description reinforces that the query is a free-form person/occasion description ("cat owner") and that budget is optional, adding mild framing value but no new syntactic or format guidance beyond the schema.

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 names a specific verb ("Search") and a specific resource ("original, funny and unusual gift ideas"), and the input model (describe a person or occasion) makes the tool's scope distinctive. It does not explicitly contrast itself with get_gift_guide or list_gift_guides, only mentioning that gift guides are also returned, so sibling differentiation is implied rather than stated.

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?

It gives clear invocation guidance: supply a description of the recipient or occasion, with concrete examples ("coffee lover dad", "white elephant", "cat owner") and an optional budget. It stops short of stating when NOT to use this tool or pointing to the sibling gift-guide tools for guide-only lookups.

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

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

Annotations already declare readOnlyHint=true, destructiveHint=false and openWorldHint=false, so the safety profile is fully covered without help from the description. The description adds real value by describing the shape of the returned product data (a useful substitute for the missing output schema), but says nothing about behavior for an invalid or stale slug.

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?

A single front-loaded sentence that identifies the resource and immediately lists what comes back; there is no filler and nothing is deferred to a second paragraph.

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 read tool with no output schema, the description covers inputs (via the slug provenance) and outputs (field list) well. The only gap is failure behavior for an unknown slug, which is minor at this 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?

Schema coverage is 100% and the only parameter's description already points at list_gift_guides, so the baseline is 3. The description reinforces the provenance of the slug value, which adds slight value by tying it to a concrete acquisition path rather than just a type.

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 names a specific resource (the products of one gift guide) and enumerates the fields returned (name, why it fits, price range, link), which makes it clearly the detail-fetch counterpart to list_gift_guides. It does not explicitly contrast with find_gifts, so the sibling differentiation is only partial.

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 parenthetical '(by the slug from list_gift_guides)' implies the required call sequence: list first, then fetch a single guide. Beyond that implied workflow there is no guidance on when to prefer this over find_gifts or what to do if the slug is unknown.

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

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

The annotations already establish that this is a read-only, non-destructive, closed-world operation. The description adds useful behavioral context by saying the result set is limited to published guides and that each entry includes a summary and link, though it does not mention ordering, pagination, or result count.

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 definition is a single front-loaded sentence with no wasted wording. The examples are compact and directly support recognition of the guide categories.

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 zero-parameter read-only list tool with no output schema, the description is nearly complete: it states the resource, the published-only scope, and the key return fields. It could be slightly stronger by clarifying whether all published guides are returned at once or whether pagination applies.

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?

There are zero parameters, so the baseline is 4. The description does not need to explain parameter semantics, and it correctly focuses on what the tool returns.

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 and resource: "List the published gift guides." It also gives concrete examples and states that each result includes a summary and link, so an agent can distinguish this browsing tool from get_gift_guide and find_gifts.

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 this is for browsing all published gift guides, which is useful context. However, it does not explicitly say when to use this instead of get_gift_guide or find_gifts, nor does it state any exclusions or prerequisites.

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