Calibre-Web MCP server

by ni-c·io.github.ni-c/calibreweb-mcp·v0.3.1

Read-only MCP server for Calibre-Web: library search, browsing and covers via the OPDS feed

B83/100grade B

What users say

No reviews yet

Safety scan

B83/100

Adoption

Growing

0 stars56 downloads/wk

Reviews

Nobody has reviewed Calibre-Web yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

get_cover
Fetches the cover of a book and returns it as an image. Book ids come
get_shelf_books
Lists the books on a shelf, in the shelf’s own order. Shelf ids
get_stats
Returns the total number of books, authors, categories (tags) and
list_books
Lists books from one of the Calibre-Web views: new (recently added,
list_shelves
Lists the shelves visible to the configured user: every public shelf
search_books
Searches the library by title, author, series, publisher and tags.

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings

Code scan27 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitystatic API keys via environment variables6/15
Maintenancelast push 4 days ago15/15
Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Overall 83/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Runs npx -y calibreweb-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add calibreweb-mcp -- npx -y calibreweb-mcp

Is Calibre-Web MCP server safe?: Mostly: it is graded B (83/100). Read the Calibre-Web safety report
How do I install Calibre-Web?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Calibre-Web need an API key?: Yes. The registry entry asks for CALIBRE_WEB_PASSWORD.
Is Calibre-Web maintained?: The last commit was 4 days ago (2026-09-16). The latest release is v0.3.1.
What can I use instead of Calibre-Web?: Servers from other publishers that do the same job: Zotero MCP server, SearXNG Search MCP server and HasData Yelp MCP server. Compare all Calibre-Web alternatives.

Same job from other publishers: the closest match first, then the best rated.

Zotero MCP
Search, read, annotate, and add to your Zotero research library, local or web.
not reviewed
Established
B
SearXNG Search
MCP server for SearXNG — privacy-respecting web search with pagination, URL reading
not reviewed
Established
B
HasData Yelp
Yelp business search, place details and the full review feed, as structured JSON.
not reviewed
Growing
A
Earthquake
Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts.
More from cyanheads →
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Google News & Trends MCP
Query Google News RSS feeds and search interest over time via Google Trends.
not reviewed
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A

Local package. It runs on your machine, not through the gateway.

CALIBRE_WEB_URLRoot URL of the Calibre-Web instance, e.g. https://books.example.com
CALIBRE_WEB_USERNAMEUsername of the Calibre-Web account (web login); leave unset together with the password for anonymous-browsing instances
CALIBRE_WEB_PASSWORDsecretPassword of that account (web login password)
CALIBRE_WEB_INSECURE_TLSSet to true to accept self-signed certificates (scoped to the configured host)
CALIBRE_WEB_ALLOW_TOOLSComma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)
CALIBRE_WEB_DENY_TOOLSComma-separated tool names or list_* prefixes to remove from whatever CALIBRE_WEB_ALLOW_TOOLS left
CALIBRE_WEB_URLRoot URL of the Calibre-Web instance, e.g. https://books.example.com
CALIBRE_WEB_USERNAMEUsername of the Calibre-Web account (web login); leave unset together with the password for anonymous-browsing instances
CALIBRE_WEB_PASSWORDsecretPassword of that account (web login password)
CALIBRE_WEB_INSECURE_TLSSet to true to accept self-signed certificates (scoped to the configured host)
CALIBRE_WEB_ALLOW_TOOLSComma-separated tool names or list_* prefixes to register; 'essential' selects a curated preset (default: all tools)
CALIBRE_WEB_DENY_TOOLSComma-separated tool names or list_* prefixes to remove from whatever CALIBRE_WEB_ALLOW_TOOLS left

Claim it to keep the listing current and reply to reviews. Claiming never changes the grade or hides a review.

Shows the safety grade and links back to this page. It updates itself after every scan and review.

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