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Shelfclub MCP Server

by shelfclub Your server? Claim it
answering

Shelfclub is answering right now. Last checked 6 min ago. It exposes 6 tools.

Search a catalog of 1.7 million books and find books by mood, vibe, pace or genre. Read-only.

Uptime history 26 days of history
26 days agonow
100.0%
Uptime 24h
91 of 91 checks
6
Tools
read from the server
385 ms
Response time
average over 24h
open, no key
Access
streamable-http

What changed 11

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 11 October 2026. No other catalogue keeps this.

30 Oct a tool description was rewritten get_book
19 Oct a tool description was rewritten get_similar_books
13 Oct 3 tools changed the parameters they ask for get_author, get_book, get_similar_books
11 Oct 6 tool descriptions were rewritten find_books_by_mood, get_author, get_book and 3 more

Nothing serious here today

Today is the operative word: we check Shelfclub every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

run in your terminal
claude mcp add books --transport http https://mcp.shelfclub.app/mcp
Settings → Connectors → Add custom connector, then paste this address
https://mcp.shelfclub.app/mcp
~/.codex/config.toml
[mcp_servers.books]
url = "https://mcp.shelfclub.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "books": {
      "url": "https://mcp.shelfclub.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "books": {
      "type": "http",
      "url": "https://mcp.shelfclub.app/mcp"
    }
  }
}

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

books
find_books_by_mood
Find books in the ShelfClub catalog by mood, vibe, pace and genre tags. At least one tag is needed. Books that carry every requested tag are listed first, most read first; when there are fewer of those than asked for, books that carry some of the tags follow, and `matchAll` says how many of the books returned carry every tag. Each book is returned with its own tags. Returns up to 10 books, each with its ShelfClub id, authors, description, reader rating, series and shelfclub.app link. The tags are machine-generated, or voted for by at least three readers of the book.
search_books
Search the ShelfClub book catalog by title or author name. Returns up to 10 books, each with its ShelfClub id, authors, description, reader rating, series, shelfclub.app link, and mood, vibe, pace and genre tags (machine-generated, or voted for by at least three readers of the book).
author
get_author
Look up an author in the ShelfClub catalog by ShelfClub author id, which get_book returns for the authors of a book. Returns the author's name, biography, birth and death dates and shelfclub.app link. With `include_books`, also returns up to 10 of their books, the most recently published first, each with its ShelfClub id, description, reader rating, series, shelfclub.app link, and mood, vibe, pace and genre tags (machine-generated, or voted for by at least three readers of the book).
book
get_book
Look up one book in the ShelfClub catalog, by its ShelfClub id or by ISBN. Returns its description, authors, reader rating, series, an edition (ISBN, page count, publisher, publication date, language), its shelfclub.app link, and its mood, vibe, pace and genre tags (machine-generated, or voted for by at least three readers of the book). A lookup by id also returns the ShelfClub author id of each author that has an author record, and which of the moods, vibes and pace readers of the book voted for, with how many did. These tools do not return content warnings: if asked, say so, and do not infer them from the tags or present anything as ShelfClub's.
similar
get_similar_books
List the books in the ShelfClub catalog whose mood, vibe, pace and genre tags overlap most with those of a given book, chosen from its 10,000 most-read books. The tags are machine-generated, or voted for by at least three readers of the book, and a book that has none has no similar books. Returns up to 10 books, each with its ShelfClub id, authors, description, reader rating, series, tags and shelfclub.app link.
trending
get_trending_books
List the books trending on ShelfClub: the books its readers have been shelving come first, then the catalog's most widely read books. Returns up to 10 books, each with its ShelfClub id, authors, description, reader rating, series, shelfclub.app link, and mood, vibe and pace tags (machine-generated, or voted for by at least three readers of the book).

Endpoints

URLTransportStateLatencyChecked
https://mcp.shelfclub.app/mcp streamable-http answering 371 ms 6 min ago

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Shelfclub — questions

Answers built from our own checks of this server.

What can Shelfclub do?
It exposes 6 tools, read directly from the server on our last check. Among them: find_books_by_mood, get_author, get_book, get_similar_books, get_trending_books, search_books. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Shelfclub working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 385 ms. The bar chart above shows every period we have measured.
How do I connect Shelfclub?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Shelfclub need an API key?
No. Shelfclub completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Shelfclub?
It answers our handshake in 385 ms on average, which is faster than 34% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.