book_creation

book_creation is a skill for Claude Code, Codex from equinor/neqsim. It costs 17 tokens per session (6,811 once invoked), scanned A, original, Apache-2.0.

A PaperLab workflow for creating scientific books, including chapters, references, figures, notebooks, and rendered outputs such as HTML, Word, PDF, and ODF files. PaperLab is the book-production environment used by this workflow.

In plain words
What is it for?
Use it to start a scientific book, organize chapters and front matter, run notebooks that create figures, manage references and symbols, build the book, and render it into supported document formats.
Why use it?
Book projects contain many linked files and settings, so missing metadata, chapters, references, or rendering instructions can break the final output. This provides a defined structure for managing the project from creation through rendering.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/equinor/neqsim/book_creation
Any agent
npx skills add equinor/neqsim --skill book_creation
Clone the repo
git clone --depth 1 https://github.com/equinor/neqsim

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for book_creation

README.md
[![agentmods](https://agentmods.dev/badge/skills/equinor/neqsim/book_creation.svg)](https://agentmods.dev/skills/equinor/neqsim/book_creation)
Your own site
<a href="https://agentmods.dev/skills/equinor/neqsim/book_creation"><img src="https://agentmods.dev/badge/skills/equinor/neqsim/book_creation.svg" alt="Measured on agentmods" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 6,811 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00017 $0.06811
Opus 5 $0.00009 $0.03406
Sonnet 5 $0.00003 $0.01362
Haiku 4.5 $0.00002 $0.00681

Measured 5d ago against content hash a55c5b2abe90, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

book_creation scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Runs shell commandslowCapability

Expected in a hook, worth knowing in a rule or an instructions file.

subprocess.check_call([sys.executable, "-m", "pip", "install", "-q", "neqsim"])
.github/skills/book_creation/SKILL.md · 733 lines

How it starts

The opening of the file, as written. The whole thing — 733 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill: Book Creation in PaperLab

When to Use

USE WHEN: creating a new scientific book project, writing chapter content, running book notebooks, building/rendering a book, or troubleshooting the book pipeline. This skill covers the complete lifecycle from book-new to final rendered outputs in HTML/Word/PDF/ODF.

DO NOT USE for: paper writing workflows (use write_methods_section, journal_formatting, etc. instead).


1. Book Project Structure

Every book lives under neqsim-paperlab/books/<slug>_<year>/. The critical file is book.yaml — it defines metadata, chapter ordering, parts, and rendering settings.

books/<book_slug>/
├── book.yaml                  # Master manifest — defines EVERYTHING
├── refs.bib                   # Master bibliography
├── nomenclature.yaml          # Symbol definitions
├── frontmatter/
│   ├── title_page.md
│   ├── copyright.md
│   ├── dedication.md
│   └── preface.md
├── chapters/
│   ├── ch01_introduction/
│   │   ├── chapter.md         # Chapter text (markdown with LaTeX math)
│   │   ├── figures/           # Generated figures (PNG)
│   │   └── notebooks/         # Jupyter notebooks that generate figures
│   ├── ch02_topic_name/
│   │   ├── chapter.md
│   │   ├── figures/
│   │   └── notebooks/
│   └── ...
├── backmatter/
│   ├── glossary.md
│   └── author_bio.md
└── submission/                # Rendered outputs
    ├── book.html
    ├── book.docx
    ├── book.pdf
   ├── book.odt
    └── figures_chNN/          # PDF renderer copies figures here for Typst

book.yaml Structure

title: "Book Title"
subtitle: "Subtitle"
authors:
  - name: "Author Name"
    affiliation: "Institution"
    email: "[email protected]"
edition: "1st"
year: 2026
publisher: "springer"        # springer | wiley | crc | self
language: "en"

settings:
  book_type: "textbook"      # simple | technical | textbook (see §1.1)
  page_size: "b5"            # b5 | a4
  font_size: 10
  line_spacing: 1.2
  two_sided: true
  chapter_numbering: true
  equation_numbering: "chapter"  # chapter-scoped: Eq. 3.1, 3.2, ...
  # Optional content toggles (override the book_type profile, see §1.1):
  # include_copyright: true
  # include_learning_objectives: true
  # include_exercises: true
  # exclude_sections: ["Review Questions", "Problems"]

frontmatter:
  - title_page
  - copyright
  - dedication
  - preface

parts:
  - title: "Part I: Foundations"
    chapters:
      - dir: "ch01_introduction"           # MUST match exact dir name
        title: "Introduction and Context"
      - dir: "ch02_topic_name"
        title: "Topic Name"
  - title: "Part II: Advanced"
    chapters:
      - dir: "ch03_another_topic"
        title: "Another Topic"

backmatter:
  - glossary
  - author_bio

nomenclature:
  file: "nomenclature.yaml"
  position: "after_toc"

bibliography:
  style: "numeric"
  file: "refs.bib"

Read the full file on GitHub · 733 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 733 lines · 17 tokens per session scan A a55c5b2abe90

Subscribe to this mod's changes

book_creation is a skill published in the GitHub repository equinor/neqsim (150 stars, last pushed today), licensed Apache-2.0. It adds 17 tokens to every session and 6,811 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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