calibre-mcp
Enables read-only search, browsing, and metadata retrieval from a local Calibre e-book library using natural language queries.
README
calibre-mcp
A minimal, read-only Model Context Protocol
server for a local Calibre e-book library. It
wraps the calibredb CLI (--for-machine JSON output), so it needs no content
server and cannot modify your library — no write tools exist.
Defaults target Windows, but it runs anywhere calibredb does (macOS/Linux) —
just set the two environment variables below.
Tools
| Tool | Description |
|---|---|
search_books(query, limit=20, offset=0) |
Search using Calibre's search syntax (e.g. author:Erikson, tag:Fantasy, series:"Malazan"); page with offset. |
list_books(limit=50, offset=0, sort_by="timestamp", ascending=False) |
List/browse the library, sorted; page through it with offset. |
get_book(book_id) |
Full metadata for one book by its Calibre ID. |
list_recent(limit=10) |
Most recently added books. |
count_books() |
Total number of books in the library. |
Requirements
Install
git clone https://github.com/mmccarthy404/calibre-mcp.git
cd calibre-mcp
uv sync
Configuration
Set via environment variables (Windows defaults shown; change to your paths):
| Variable | Default | Notes |
|---|---|---|
CALIBRE_LIBRARY_PATH |
D:\Documents\Calibre Library |
Path to your Calibre library folder (contains metadata.db). |
CALIBREDB_PATH |
C:\Program Files\Calibre2\calibredb.exe |
Path to calibredb (on macOS/Linux, usually just calibredb). |
Run
uv run calibre-mcp # or: uv run python calibre_mcp.py
Register with Claude Code
claude mcp add calibre --scope user -- \
uv run --directory "/path/to/calibre-mcp" python calibre_mcp.py
Then, in a new Claude session, ask things like "search my Calibre library for Erikson" or "what are my 5 most recently added books?".
License
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