LibraryThing

LibraryThing MCP Connector for Claude

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Look up books by ISBN, explore works, and check library coverage — a bibliographic intelligence tool for AI agents.

4 tools Official Updated Jun 28, 2026 Official Vinkius Partner

Connect LibraryThing to your AI agent for instant book lookups, bibliographic data, and library coverage analysis.

What you can do

  • ISBN Lookup — Retrieve book details by ISBN including title, author, publication info, and ratings
  • Work Discovery — Explore works and their editions, translations, and related metadata
  • Book Coverage — Check which libraries hold a specific title for interlibrary research

How it works

  1. Subscribe to this server
  2. Register for a LibraryThing Developer Key
  3. Start querying books from Claude, Cursor, or any MCP client
booksisbnbibliographylibraryreading

4 tools expose this connector's capabilities to your AI agent.

get_book_coverage

The coverage score (0-1) indicates how completely the book is cataloged on LibraryThing. Free, no API key required. Get catalog coverage score for a book

get_work

Returns title, author, coverage score (how well the work is cataloged), member count, review count and more. Free, no API key required. Use what_work to find the work ID first. Get detailed info for a LibraryThing work

thing_isbn

Useful for finding paperback, hardcover, audio, and international editions of a book. Free, no API key required. Find all ISBNs for different editions of the same book

what_work

The work ID is needed for other LibraryThing API calls. Free, no API key required. Find the LibraryThing work ID for a book

See how to talk to your AI agent using LibraryThing.

Look up the book with ISBN 978-0-13-468599-1.

Found it! 'The Pragmatic Programmer' by David Thomas and Andrew Hunt. Publisher: Addison-Wesley (2019, 2nd edition). Community rating: 4.2/5 with 1,847 members. Tagged: programming, software-engineering, best-practices.

An ISBN lookup returns the book title, author(s), publisher, publication date, page count, language, community ratings, and tags — all from the LibraryThing database.

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