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MCP live v0.1.7 MCP 2026-07-28 http

openlibrary-mcp-server

io.github.cyanheads/openlibrary-mcp-server

Search books and authors, fetch editions, browse subjects, and resolve cover images.

Uptime
100.0%
4 direct probes · 30d
Response
1065ms
last probe
Tools
10
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://openlibrary.caseyjhand.com/mcp
Score: 100/100
Handshake verified by our own probe.
why this score
pass Answers the MCP handshake 50/50
The handshake and the list calls succeeded on the primary URL.
pass Lists tools, resources or prompts 30/30
10 tools, 0 resources, 0 prompts returned.
pass 3 or more catalogue items 10/10
10 items in total; 3 or more earns these points.
pass Describes itself 10/10
84 characters; more than 30 earns these points.

Tools · 10

openlibrary_search_books

Full-text book search across Open Library works. Supports field filters (title, author, subject, publisher, ISBN, language) and returns work-level records with edition counts, cover IDs, and reading a…

openlibrary_search_inside

Search the full text of books scanned by the Internet Archive — the "which book contains this passage?" lookup that the metadata tools cannot answer. Quote a phrase for an exact-phrase match; bare ter…

openlibrary_get_work

Fetch a work by Open Library Work ID (OL…W). Returns title, description, subjects, cover IDs, and linked author IDs for follow-up lookups. Works represent the abstract book concept independent of any …

openlibrary_get_editions

List editions of a work — different publishers, languages, formats, and print runs. Returns ISBNs, publisher, language, page count, and edition OLIDs. Use after openlibrary_get_work or openlibrary_sea…

openlibrary_get_edition

Resolve one or more editions by identifier: ISBN-10, ISBN-13, OCLC, LCCN, or Open Library Edition ID (OL…M). Every identifier in a call shares one id_type — pass id_type "isbn" for both ISBN-10 and IS…

openlibrary_search_authors

Search Open Library authors by name. Returns Open Library Author IDs, names, birth/death dates, top works, and subject associations. Use author IDs for openlibrary_get_author (bio, remote IDs) or open…

openlibrary_get_author

Fetch author detail by Open Library Author ID (OL…A). Returns bio, birth/death dates, photo IDs, and linked identifiers from Wikidata, VIAF, ISNI, Goodreads, and LibraryThing. Use openlibrary_search_a…

openlibrary_get_author_works

List works by an author. Returns titles, cover IDs, and work OLIDs for drilling into editions or details. Use openlibrary_get_author for author bio and details, or openlibrary_get_editions to explore …

openlibrary_get_subject

Browse works by subject. Returns matching works with edition counts and cover IDs, plus the total work count for the subject. Case and spacing are normalized before lookup, so "Science Fiction" and "s…

openlibrary_get_cover_url

Resolve a cover image URL for a book or author photo. Returns a direct HTTPS URL in the requested size (S/M/L). The Covers API always returns HTTP 200 — missing covers return a 1×1 placeholder GIF, no…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "openlibrary-mcp-server": {
      "url": "https://openlibrary.caseyjhand.com/mcp",
      "transport": "http"
    }
  }
}