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Get Book Work Details

books.works.details
Read-onlyIdempotent

Get consolidated book work metadata by Open Library Work ID — description, subjects, authors, cover, first publish date.

Instructions

Get consolidated work metadata across all editions by Open Library Work ID — description, subjects, authors, cover, first publish date (Open Library)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
olidYesOpen Library Work ID, e.g. "OL45804W" for Lord of the Rings. Get from search results key field

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultNoTool response payload. Shape varies per tool — consult the tool description and inputSchema. May be an object, array, string, or number depending on the upstream provider response.
errorNoPresent only when the call failed. Includes error code, message, request_id, and any provider-specific extras.
Behavior4/5

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

Annotations (readOnlyHint, destructiveHint, idempotentHint) already cover safety and idempotency. The description adds value by specifying the data source (Open Library) and listing included fields, which helps the agent understand what to expect.

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

Conciseness5/5

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

The description is a single sentence of 24 words, efficiently conveying the tool's purpose and key data included with no unnecessary words or redundancy.

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

Completeness4/5

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

The tool has an output schema (not shown) to document return values. The description covers the tool's scope and purpose. Given the existence of sibling tools, a brief pointer to edition-level tools would improve completeness, but it is not missing critical information.

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?

The input schema has 100% coverage and already describes the olid parameter with an example. The description does not add any additional parameter semantics beyond what the schema provides, so the baseline score of 3 is appropriate.

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 the verb 'get', the resource 'consolidated work metadata across all editions', and the identifier 'Open Library Work ID'. It lists specific data fields (description, subjects, authors, cover, first publish date) and distinguishes this tool from sibling tools like books.authors.details and books.editions.isbn.

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

Usage Guidelines3/5

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

The description implies this tool is for a work-level summary ('across all editions') but does not explicitly state when to use it versus alternatives. No guidance on exclusions or when not to use is provided.

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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