search_buyking_semantic_JP

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

With no annotations, the description compensates by disclosing behavioral scope: only hot deals are returned, results are in Japanese, prices are in JPY, and only Japan-deliverable platforms are covered. It could add result format or side-effect details, but for a search tool this provides solid expectations.

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 JP-only scope is front-loaded, but the first and last sentences repeat the same ideas: Japan delivery, hot deals, and searching. It could be tightened to two sentences without losing clarity.

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 4-parameter search tool with no annotations and no output schema, the description provides the key selection context: geographic relevance, currency, language, and delivery scope. The schema fills in parameter details, and missing result-pagination/format notes are minor for this read-oriented tool.

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 all four parameters already have detailed descriptions, so the baseline is 3. The description adds locale/currency context but no parameter-level meaning; the Amazon JP mention is illustrative and not aligned with the platform enum values, so it does not improve parameter selection reliability.

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 identifies the tool as a search for Japan-deliverable hot deals, with JPY pricing and Japanese results. It distinguishes this JP variant from sibling KR/US tools by stating the geographic scope and delivery condition directly.

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 an explicit condition: use when the user is in Japan or wants Japan-delivery products. However, it does not explicitly name the sibling KR/US tools as alternatives or state 'do not use for other regions,' so it stops short of full when-not guidance.

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