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Agent skill

Book Media Generator

by dmccreary in dmccreary/ibook-skills

Generates media for intelligent textbooks - slide decks and presentations (MARP web decks in docs/slides/ or PowerPoint .pptx lecture downloads), illustrated stories and graphic novels…

CC-BY-NC-4.0Auto-check passedDocuments & Office

Install Book Media Generator

skills CLI
$ npx skills add dmccreary/ibook-skills --skill book-media-generator -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install dmccreary/ibook-skills book-media-generator --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/dmccreary/ibook-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/book-media-generator .claude/skills/book-media-generator && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
book-media-generator
GitHub stars
105
Token cost
~1.7k tokens
SKILL.md length
589 words
Files
23 (incl. scripts, references, assets)
Skills in repo
32
Repo updated
First seen
Licence
CC-BY-NC-4.0

At a glance

Generates media for intelligent textbooks - slide decks and presentations (MARP web decks in docs/slides/ or PowerPoint .pptx lecture downloads), illustrated stories and graphic novels…

  • Works in 2 steps: Identify Media Type → Load the Matched Guide
  • Tasks that involve Slides and decks
  • SKILL.md covers Overview, FIRST: Slides Disambiguation…, When to Use This Skill and Step 1: Identify Media Type, plus 4 more sections
  • Needs ELEVENLABS_API_KEY

What it does

Book Media Generator is an agent skill from dmccreary/ibook-skills. Generates media for intelligent textbooks - slide decks and presentations (MARP web decks in docs/slides/ or PowerPoint .pptx lecture downloads), illustrated stories and graphic novels, freely-licensed chapter images from Wikimedia and government archives, and audio (text-to-speech voiceovers, glossary pronounce buttons via ElevenLabs). Routes to the appropriate media guide.

Its SKILL.md is about 1.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 26 other files, including scripts, reference files and assets (for example `assets/marp/template.md`, `references/chapter-images-guide.md` and `references/marp-authoring-guide.md`).

It sits in Documents & Office, covering Slides and decks, Text to speech and voice and PowerPoint presentations. It works with Microsoft PowerPoint, ElevenLabs and Wikipedia.

When your agent uses it

  • Tasks that involve Slides and decks
  • Tasks that involve Text to speech and voice
  • Tasks that involve PowerPoint presentations

Example prompts

  • “Use the book-media-generator skill to generate media for intelligent textbooks - slide decks and presentations (MARP web decks in docs/slides/ or…”
  • “/book-media-generator”

Requirements

  • A credential in ELEVENLABS_API_KEY

Workflow steps

2 steps, taken from the step headings in SKILL.md.

  1. Identify Media Type
  2. Load the Matched Guide

What it can do on your machine

Read from SKILL.md and the folder at commit 4c58491. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/, which the agent can run.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • ELEVENLABS_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Book Media Generator loads about 1.7k tokens when it runs, and up to ~33k if it reads all its reference files. Until then it costs about 100 tokens; SKILL.md has 589 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~100
When it runs · the whole SKILL.md, loaded when a task matches
~1.7k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~33k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

Its licence (CC-BY-NC-4.0) doesn't allow us to republish the file, so here is its outline and opening line. It has 589 words (~1,693 tokens).

name
book-media-generator
license
Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
metadata.ibook.version
1.0
metadata.ibook.preferred-model
sonnet

Read the full SKILL.md on GitHub

Files

SKILL.md and 22 other files (scripts, references, assets) in skills/book-media-generator of dmccreary/ibook-skills.

  • SKILL.md
  • assets/marp/template.md
  • references/chapter-images-guide.md
  • references/marp-authoring-guide.md
  • references/marp-deck-guide.md
  • references/marp-mkdocs-integration.md
  • references/pptx-lecture-guide.md
  • references/pptx-slide-patterns.md
  • references/pptx-speaker-notes-guide.md
  • references/pronounce-button-guide.md
  • references/story-guide.md
  • references/story-index-template.md
  • references/text-to-speech-guide.md
  • references/tts-installation.md
  • references/tts-streaming.md
  • references/tts-voice-settings.md
  • scripts/audio
  • … and 6 more

Open the folder on GitHubat commit 4c58491

Compare with similar skills

Book Media Generator next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Book Media Generator compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Book Media Generator this skilldmccreary/ibook-skills105—~1.7kAutomated safety check: PassCC-BY-NC-4.0
Template Deck BuilderOneWave-AI/claude-skills336—~2kAutomated safety check: PassMIT
Ppt Tts Scriptninehills/skills280—~1.5kAutomated safety check: PassNone
Personwise Create Courseaiskillstore/marketplace433—~2.9kAutomated safety check: PassMIT
Nano BananaEvoScientist/EvoSkills4782 repos~3.5kAutomated safety check: PassApache-2.0
Gpt Image 2 Paper Ppt Imagesdracohu2025-cloud/draco-skills-collection227—~3.9kAutomated safety check: PassMIT

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Works with

Categories

Questions about Book Media Generator

What does Book Media Generator do?

Generates media for intelligent textbooks - slide decks and presentations (MARP web decks in docs/slides/ or PowerPoint .pptx lecture downloads), illustrated stories and graphic novels…. Book Media Generator is an agent skill from dmccreary/ibook-skills.pptx lecture downloads), illustrated stories and graphic novels, freely-licensed chapter images from Wikimedia and government archives, and audio (text-to-speech voiceovers, glossary pronounce buttons via ElevenLabs).

When should I use Book Media Generator?

Book Media Generator fits situations like: tasks that involve Slides and decks; tasks that involve Text to speech and voice; tasks that involve PowerPoint presentations.

How do I install Book Media Generator in Claude Code?

Run `npx skills add dmccreary/ibook-skills --skill book-media-generator -a claude-code`. Or copy the skill folder (skills/book-media-generator in dmccreary/ibook-skills) into .claude/skills/book-media-generator in your project. Claude Code loads it when a task matches its description.

How do I install Book Media Generator in Codex?

Run `npx skills add dmccreary/ibook-skills --skill book-media-generator -a codex`. Or copy the skill folder (skills/book-media-generator in dmccreary/ibook-skills) into .agents/skills/book-media-generator in your project. Codex loads it when a task matches its description.

Can I use Book Media Generator in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add dmccreary/ibook-skills --skill book-media-generator -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/book-media-generator, .gemini/skills/book-media-generator, .github/skills/book-media-generator and .opencode/skills/book-media-generator in your project.

What does Book Media Generator need to run?

Going by SKILL.md and its folder, Book Media Generator needs credentials named ELEVENLABS_API_KEY. Our summary lists: A credential in ELEVENLABS_API_KEY.

Does Book Media Generator access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Book Media Generator safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Book Media Generator use?

Book Media Generator is published under the CC-BY-NC-4.0 licence (declared in SKILL.md).

How many tokens does Book Media Generator use?

About 1.7k tokens (SKILL.md is roughly 6.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 31k tokens, read only when the agent opens those files.

What are the alternatives to Book Media Generator?

Skills that share tags, products or a category with Book Media Generator: Template Deck Builder (OneWave-AI/claude-skills, 336 stars), Ppt Tts Script (ninehills/skills, 280 stars), Personwise Create Course (aiskillstore/marketplace, 433 stars) and Nano Banana (EvoScientist/EvoSkills, 478 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Book Media Generator?

dmccreary (a GitHub user) maintains it in dmccreary/ibook-skills, which has 105 GitHub stars. The repository holds 32 skills in this directory. The repository was last updated on October 10, 2026.

Source: dmccreary/ibook-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.