Search books and authors, fetch editions, browse subjects, and resolve cover images.
Connect Remote server
claude mcp add --transport http openlibrary-mcp-server https://openlibrary.caseyjhand.com/mcp{
"mcpServers": {
"openlibrary-mcp-server": {
"url": "https://openlibrary.caseyjhand.com/mcp"
}
}
}{
"servers": {
"openlibrary-mcp-server": {
"type": "http",
"url": "https://openlibrary.caseyjhand.com/mcp"
}
}
}Settings > Connectors > Add custom connector
URL: https://openlibrary.caseyjhand.com/mcpTools 10 found in our last check
openlibrary_search_booksFull-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 availability. Use query for general search or combine specific field filters. Re…
openlibrary_search_insideSearch 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 terms match anywhere in the text. Each result is an Internet Archive item with the…
openlibrary_get_workFetch 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 specific edition. A merged work ID resolves to the work it was merged into. To…
openlibrary_get_editionsList 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_search_books to find a specific printing. A merged work ID resolves to the work it…
openlibrary_get_editionResolve 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 ISBN-13. Up to 50 identifiers resolve in a single upstream batch; with limit clam…
openlibrary_search_authorsSearch 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 openlibrary_get_author_works (list of works).
openlibrary_get_authorFetch 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_authors to find an author ID first.
openlibrary_get_author_worksList 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 specific printings.
openlibrary_get_subjectBrowse 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 "science_fiction" are the same request. Subject tags are user-contributed and the…
openlibrary_get_cover_urlConstruct a cover image URL for a book or author photo without fetching the image. Returns a direct HTTPS URL in the requested size (S/M/L). The identifier format is validated locally: "id" must be numeric, "isbn" 10 or 13 digits (an ISBN-10 may end in an X check digit), "olid"…
Details
| Endpoint | https://openlibrary.caseyjhand.com/mcp (Streamable HTTP) |
| Package | @cyanheads/[email protected] (NPM, stdio) |
| Package | @cyanheads/[email protected] (NPM, streamable-http) |
| First published | 26 Oct 2026 |
| Last updated | 26 Oct 2026 |
| Registry name | io.github.cyanheads/openlibrary-mcp-server |
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