yandex_serp_prepare

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

The description adds one genuinely useful behavioral fact beyond the annotations: no live provider call is made, so this does not consume provider quota. However, it does not say what the preparation produces or how it pairs with submit, and the annotations (readOnlyHint=false, idempotentHint=false) already frame the safety profile.

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 with no filler; the key qualifier ("without a live provider call") is placed where it reads first after the purpose. Efficient, though it is perhaps too terse for the gaps it leaves.

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?

An output schema exists, so return values need not be explained, and the annotations cover safety. But for an async multi-step workflow with 0% parameter documentation, the description omits the surrounding flow (what to call next, what the prepared request represents), leaving real gaps.

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 0%, so the description must carry parameter meaning, yet it mentions no parameters at all. The opaque default region="225" and response_format="FORMAT_XML" are left entirely undefined, and even the required query is only weakly implied by "request."

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 ("Prepare") and resource ("asynchronous Yandex SERP request"), and the phrase "without a live provider call" differentiates it from the provider-hitting sibling yandex_serp_submit. It stops short of naming that sibling explicitly, so the split is inferable 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?

The word "Prepare" plus "asynchronous" implies this is the setup step before submit/status/get_result, but the description never says when to use it versus yandex_serp_submit or what follows. Usage is only implied, not specified.

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