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Search Rakuten Books (Computer Software)

books_software_search
Read-onlyIdempotent

Search for computer software on Rakuten Books by title, target OS, or JAN code to retrieve software details including target OS, label, JAN, list price, and review statistics.

Instructions

Search Rakuten Books for computer software by title, target OS (e.g., 'Windows', 'macOS'), or JAN. Returns software details with target OS, label, JAN, list price, and review stats.

[JA] 楽天ブックスでPCソフトウェアを、タイトル・対応OS(例: 'Windows', 'macOS')・JANで検索します。対応OS、レーベル、JAN、定価、レビューを含む詳細を返します。

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
titleNoSoftware title. ソフトウェア名。
osNoTarget OS (e.g., 'Windows', 'macOS'). 対応OS。
janNoJAN code. JAN。
keywordNoFree-text keyword. キーワード。
hitsNoNumber of results per page (1–30, default 10). 1ページあたりの取得件数(1〜30、デフォルト10)。
pageNoPage number (1+, default 1). ページ番号(1以上、デフォルト1)。
sortNoSort order. 並び順。standard
booksGenreIdNoRestrict to a specific Books genre (3-character IDs, hierarchical). Use books_genre_search to discover. ジャンルIDで絞り込み(books_genre_search で取得)。
Behavior4/5

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

Annotations already indicate read-only, idempotent, open-world. The description adds details about returned fields (target OS, label, JAN, list price, review stats), which is valuable context beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise (one sentence) and direct, though includes a Japanese duplicate that adds length but not value for English readers.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

The description covers main search criteria and return fields, but lacks details about search behavior (e.g., combination logic, pagination, sorting, genre filtering). No output schema exists to compensate.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with parameter descriptions. The description lists only three of eight parameters (title, OS, JAN) as search criteria, adding minimal value beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states it searches Rakuten Books for computer software by title, OS, or JAN, and lists return fields. This distinguishes it from sibling tools for other categories.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies use for computer software searches, and sibling tools provide context. However, it does not explicitly state when not to use it or suggest alternatives.

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

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