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Calibre eBook Library Management

Orchestrate calibredb and fetch-ebook-metadata to search, fetch, and apply metadata updates.

Updated Feb 5, 2026
Search Tags:#cli#metadata#ebooks#calibre#calibredb#library-management#fetch-metadata
One-click install
npx skills add https://github.com/mihailtd/clawdius --skill calibre-ebook-library-management
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: Calibre eBook Library Management
Source: https://github.com/mihailtd/clawdius/tree/main/skills/calibre
Command: npx skills add https://github.com/mihailtd/clawdius --skill calibre-ebook-library-management

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Managing large Calibre eBook libraries and their metadata across calibredb and external sources is error-prone and time-consuming.

Core Features & Use Cases

  • Centralized CLI workflows to search, fetch metadata, fix missing data, and normalize fields like title, authors, series, and tags.
  • Bulk updates across multiple books using OPF imports and direct field edits to keep library metadata consistent.
  • Use Case: A collector with thousands of titles can quickly reconcile metadata, improve search results, and ensure correct series ordering.

Quick Start

Update metadata for selected books by running calibredb search for titles, fetch metadata with fetch-ebook-metadata, and apply changes with set_metadata.

Frequently Asked Questions about Calibre eBook Library Management

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I bulk update ebook metadata in a Calibre library?▼

You can bulk update Calibre library metadata by using calibredb to search titles, fetch-ebook-metadata to retrieve correct details via ISBN or author, and apply changes with set_metadata or OPF imports for consistent series ordering and tags.

What is the best way to fetch missing metadata for Calibre ebooks?▼

Fetch missing Calibre ebook metadata by running fetch-ebook-metadata with ISBN-first lookups, falling back to title and author searches to retrieve accurate data and apply it directly to the library with safeguards against incorrect updates.

Can I manage a large Calibre ebook collection entirely from the command line?▼

You can manage large Calibre ebook collections from the command line by orchestrating calibredb for library searches, bulk edits, and health checks to reconcile thousands of titles and ensure consistent metadata across formats.

Does calibredb support OPF imports for applying metadata updates?▼

calibredb supports OPF imports for applying metadata updates, allowing you to fetch metadata externally and push standardized OPF files into the library to fix missing data and normalize fields like tags and series ordering.

How do I check Calibre library health and fix inconsistent metadata?▼

You can check Calibre library health and fix inconsistent metadata by running calibredb searches to identify missing fields, then applying fetched data and bulk edits to normalize authors, titles, and series across the collection.

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