What information can I get from an ISBN lookup?

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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Use LibraryThing with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Look up books by ISBN, explore works, and check library coverage. a bibliographic intelligence capability for AI agents.

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Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

Complete set · 4 capabilities

The complete LibraryThing capability set.

These are the exact actions your AI can choose when you ask it to work with LibraryThing.

Capability set01 / 01

01-04

4 capabilities in this set.

Part of 4 available through LibraryThing.

01
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
02
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
03
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
04
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

Observed, not estimated

847ms average. Fast in production.

LibraryThing is checked daily against the live service.

Daily averagePeak 1064ms

Aug 20Today

Fastest day: 696ms
Slowest day: 1064ms
14-day trend: Slowing+16%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 4 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of LibraryThing, so you can see the experience inside your AI.

It does not authenticate your account with LibraryThing. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

LibraryThing Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_GBOUQajtypQIQq2oX1akwq00KXg4EJLtyeOeLlWy/mcp

Claude Desktop

Follow the steps below to connect in seconds.

1In Claude Desktop, open Settings → Connectors.
2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
3Click Add and start a new chat — LibraryThing capabilities are ready to use.

Configuration · claude_desktop_config.jsonCopy

{
  "mcpServers": {
    "librarything-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_GBOUQajtypQIQq2oX1akwq00KXg4EJLtyeOeLlWy/mcp"
    }
  }
}

Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions LibraryThing owners ask.

01
What information can I get from an ISBN lookup?
An ISBN lookup returns the book title, author(s), publisher, publication date, page count, language, community ratings, and tags. all from the LibraryThing database.

Explore

Use LibraryThing with your AI.

The complete LibraryThing capability set.

01-04

Get work

What work

Get book coverage

Thing isbn

847ms average. Fast in production.

One URL. Every client.

LibraryThing Connector

Claude Desktop

Questions LibraryThing owners ask.