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Books Like This

by io.github.GoodTurnStudio
OverviewDiscussionsAdmin

A book's details and any film or series made from it

get_book
Read-onlyIdempotent

A book's details and any film or series made from it. For requests like "tell me about Project Hail Mary", "is The Name of the Wind being made into a film?", "how long is Dune?". Misspellings are fine. If screen_checked is false, the film and TV check could not run just now, so the film and TV status is unknown.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "title": "<title>"
    },
    "name": "get_book"
  }
}

Input Schema

NameRequiredDescriptionDefault
titleYesThe book's title, 2 to 120 characters. Add author for very short or common titles.
authorNoThe author's name, to pin down the right book or list their books.
countryNoFor buy links: US, GB, IE, CA, AU. Default from the request.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4.1/5.0
Behavior4/5

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

Annotations already cover the safety profile (readOnly, idempotent, non-destructive, open-world), so the description's value is in the operational caveats it adds: misspellings are tolerated, and when screen_checked is false the film/TV check did not run and adaptation status is unknown. That graceful-degradation disclosure is meaningful behavioral context beyond the 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?

Purpose is front-loaded in the first clause, followed by three short illustrative examples and one caveat sentence; every sentence carries information. It is slightly list-like but not padded, and no sentence is redundant with the schema.

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?

With no output schema, the description must signal what comes back, and it does state that results include book details plus film/series adaptation status, including the screen_checked failure mode. It leaves the exact shape of the response (fields, buy links implied by the country param) unstated, which is a minor residual gap.

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 description coverage is 100%, so title, author, and country are already documented with guidance (adding author for short/common titles, country for buy links). The description only adds the misspelling tolerance for the title parameter, which is a marginal supplement rather than a gap-filler, so the baseline 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 names the resource (a book's details) and a distinctive secondary capability (any film or series adaptation) that neither sibling, find_similar_books nor get_author_books, offers. The three sample requests make the scope concrete and unambiguous for an agent choosing among the three tools.

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 examples ('tell me about Project Hail Mary', 'is The Name of the Wind being made into a film?', 'how long is Dune?') give clear triggering scenarios, and the note that misspellings are tolerated reduces hesitation to call it. It stops short of naming the sibling tools or stating when this tool should NOT be used instead.

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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