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

No annotations are provided, so the description must carry behavioral context. It usefully discloses that calls use the caller's OpenAny gateway credentials and that charges and authorization are gateway-determined, but it does not state read-only/side-effect status, rate limits, pagination, or result structure beyond 'IDs'.

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 and front-loads the tool purpose before the gateway credential context. Every sentence is relevant, though the gateway sentences are generic boilerplate rather than tool-specific detail.

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 five-parameter search tool with full schema coverage and no output schema, the description gives the core purpose and gateway cost/auth context. The main gap is that it does not clarify read-only behavior or what the returned ID list contains beyond IDs, which matters more because there are no annotations.

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 schema already documents all five parameters, including the action and format enums. The description reinforces that the search input is a label or alias and that IDs are returned, but adds no syntax, language, or limit guidance beyond what the schema 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?

States a specific verb (Search) and resource (Wikidata entities) and says the result is entity IDs. It implicitly differentiates from wikimedia_get_wikidata_entity and wikimedia_get_wikidata_id, but does not name those siblings or explain when to prefer this tool.

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?

Provides an implied use case, resolving a label or alias to Wikidata IDs, but no explicit when-to-use/when-not guidance or alternatives among the many wikimedia sibling tools. An agent can infer the use case but must decide on its own when this beats wikimedia_get_wikidata_entity or wikimedia_get_wikidata_id.

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