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book_map.update

book_map.update is a skill for Claude Code from gpsaggese/helpers. It costs 26 tokens per session (2,220 once invoked), scanned A, original, Apache-2.0.

A book-map organizer that renumbers chapters, aligns the detailed table of contents with the short one, and renames matching lecture and tutorial files. A book map is a planning file that describes a book's chapters and supporting materials.

In plain words
What is it for?
Use it to reorganize a book's chapter order and update the related source and tutorial files safely.
Why use it?
It removes the error-prone work of keeping chapter numbers, tables of contents, roadmaps, filenames, and references synchronized. It creates a plan and waits for approval before making changes.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter; reads .claude/ paths.

not rated 158repo +1 today A scan 26 tokens original Apache-2.0

Good fit Use it to reorganize a book's chapter order and update the related source and tutorial files safely.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/gpsaggese/helpers/book_map.update
View source ↗ gpsaggese/helpers
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.

Any agent
npx skills add gpsaggese/helpers --skill book_map.update
Clone the repo
git clone --depth 1 https://github.com/gpsaggese/helpers

Made for: Claude Code.

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_map.update

README.md
[![agentmods](https://agentmods.dev/badge/skills/gpsaggese/helpers/book_map.update/github.svg)](https://agentmods.dev/skills/gpsaggese/helpers/book_map.update)
Your own site
<a href="https://agentmods.dev/skills/gpsaggese/helpers/book_map.update"><img src="https://agentmods.dev/badge/skills/gpsaggese/helpers/book_map.update/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for book_map.update

Your own site · 80×15
<a href="https://agentmods.dev/skills/gpsaggese/helpers/book_map.update"><img src="https://agentmods.dev/badge/skills/gpsaggese/helpers/book_map.update.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 26 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,220 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.00026 $0.02220
Opus 5.5 $0.00010 $0.00888
Sonnet 5.5 $0.00005 $0.00444
Haiku 4.5 $0.00003 $0.00222

Measured yesterday against content hash 400e25608522, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

book_map.update scanned grade A with 0 findings 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 yesterday.

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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

.claude/skills/book_map.update/SKILL.md · 183 lines

How it starts

The opening of the file, as written. The whole thing — 183 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Goal

  • Given a book map <BOOK_MAP> (e.g., book_Modern_AI_for_Finance/book_map.md), make it follow .claude/skills/book_map.rules.md:
    • Renumber the chapters
    • Reorder # Detailed TOC to follow ## Short TOC
    • Keep the Roadmap table in sync
    • Rename the numbered files in <BOOK>/lectures_source/ and <BOOK>/tutorials/, and fix the references to them
  • Write a plan, wait for the user to approve it, then apply it

Inputs

  • <BOOK_MAP>: the book map to update
  • <BOOK>: the directory that contains <BOOK_MAP>

Workflow

Read

  • Read .claude/skills/book_map.rules.md and <BOOK_MAP> in full
  • Use .claude/templates/book_map.template.md for the structure of new chapters
  • Follow .claude/skills/markdown.rules.md and .claude/skills/text.rules.md for any text you add

Compute the New Numbers

  • ## Short TOC is the source of truth for chapter order, parts, and part names
    • Do not trust the chapter numbers in the file
  • Match chapters across Short TOC, Detailed TOC, and Roadmap by title
    • Treat titles that differ only in case, and, or a trailing s as equal
  • Number the chapters 01, 02, ... in Short TOC order, with no gaps
    • Number the entries marked ? too
  • Keep the map old number -> new number

Map the Files

  • Look recursively in <BOOK>/lectures_source/ and <BOOK>/tutorials/
  • A name is numbered when Lesson or L is followed by <NN> and . or _
    • E.g., Lesson05.01_Forecasting.smd, L05_forecasting/, L05_01_forecasting.ipynb, figures/L05.01.Drawdown.png
  • Skip __pycache__/, *.pyc, *.log, OLD/, old/, and names with no number
  • Assign each file to a chapter:
    • First by the file name in the Roadmap, ### Slides, or ### Tutorials
    • Then by the old number in the name
  • Build the new name by replacing only <NN>
    • Keep <MM>, the title, and the extension
  • Do not rename a file when the two rules disagree or no chapter matches: ask under ## Questions

Write the Plan

Read the full file on GitHub · 183 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. yesterday First seen · 183 lines · 26 tokens per session scan A 400e25608522

Subscribe to this mod's changes

book_map.update is a skill published in the GitHub repository gpsaggese/helpers (158 stars, last pushed today), licensed Apache-2.0. It adds 26 tokens to every session and 2,220 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-11-06.

Learning and teachingPlanning
Related

book_map.update compared with skills from other repositories

book_map.update next to 6 skills from other repositories
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book_map.updategpsaggese/helpersSkill158todayApache-2.0A26Claude Code
hr-onboardingnexu-io/open-designSkill106ktodayApache-2.0A62Claude Code, Codex
book-mirrorgarrytan/gbrainSkill32ktodayMITA138Claude Code
exam-forecastanthropics/claude-for-legalSkill9.9ktodayApache-2.0A73Claude Code
lean-formalizewanshuiyin/Auto-claude-code-research-in-sleepSkill19kyesterdayMITA81Claude Code
deck-course-modulenexu-io/html-anythingSkill9.4kyesterdayApache-2.0A25Claude Code, Codex
eli5companion-inc/feynmanSkill10k7d agoMITA63Claude Code, Codex