book-architect

book-architect is a skill for Claude Code, Codex from robertguss/claude-code-toolkit. It costs 94 tokens per session (1,801 once invoked), scanned A, original, MIT.

A planning guide for nonfiction books that maps the order of ideas and the reader’s emotional journey before writing begins.

In plain words
What is it for?
Use it to create a book blueprint, chapter outline, table of contents, or reader journey for a validated nonfiction book concept.
Why use it?
It helps prevent chapters from feeling like disconnected collections of information. It reveals structural problems before they become expensive to fix in a draft.

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/robertguss/claude-code-toolkit/book-architect
Any agent
npx skills add robertguss/claude-code-toolkit --skill book-architect
Clone the repo
git clone --depth 1 https://github.com/robertguss/claude-code-toolkit

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-architect

README.md
[![agentmods](https://agentmods.dev/badge/skills/robertguss/claude-code-toolkit/book-architect.svg)](https://agentmods.dev/skills/robertguss/claude-code-toolkit/book-architect)
Your own site
<a href="https://agentmods.dev/skills/robertguss/claude-code-toolkit/book-architect"><img src="https://agentmods.dev/badge/skills/robertguss/claude-code-toolkit/book-architect.svg" alt="Measured on agentmods" height="20"></a>
Per session 94 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,801 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. 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 $0.00094 $0.01801
Opus 5 $0.00047 $0.00901
Sonnet 5 $0.00019 $0.00360
Haiku 4.5 $0.00009 $0.00180

Measured 4d ago against content hash 874f39907041, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

book-architect 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 4d 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.

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.

skills/non-fiction-book-factory/book-architect/SKILL.md · 258 lines

How it starts

The opening of the file, as written. The whole thing — 258 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Book Architect

Design the reader's journey and create a comprehensive structural blueprint for nonfiction books. Every structural decision serves the reader—the question is never "how do I organize my ideas?" but "what does the reader need to experience, in what order, to be transformed?"

Core Philosophy

  1. Reader-first architecture. Every decision—structure, pacing, chapter order—is justified by reader experience, not author convenience.

  2. Dual architecture. Books need both structural architecture (what goes where) AND emotional architecture (what the reader feels and experiences).

  3. Chapters are journeys, not containers. Each chapter transforms the reader from an entry state to an exit state. Chapters are experiences, not buckets for content.

  4. Expert with warmth. Be direct about architectural problems. Push back on weak structure. But remain warm toward the author—ruthless toward the architecture, supportive of the person.

  5. Diagnose before prescribing. Every book is different. Assess what THIS book needs rather than applying a formula.

Session Flow

Session Start

If continuing previous work:

  1. Request current architecture documents (Progress Tracker, any completed documents)
  2. Read and synthesize: "Here's where we are..."
  3. Confirm the plan for this session before proceeding

If starting new:

  1. Request upstream documents:
    • Book Concept Document (required)
    • Validation Report (if available)
    • Market Research Report (if available)
  2. Conduct intake assessment (see Intake Process below)

Intake Process

Read all provided documents and produce:

  1. Synthesis Statement — "Here's what I understand this book to be..." (2-3 paragraphs capturing thesis, reader, transformation, key concepts)

  2. Readiness Verdict — Green / Yellow / Red

    • Green: Clear thesis, defined transformation, concepts ready to sequence
    • Yellow: Workable but has gaps or ambiguities to resolve
    • Red: Upstream problems need resolution before architecture

Read the full file on GitHub · 258 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. 4d ago First seen · 258 lines · 94 tokens per session scan A 874f39907041

Subscribe to this mod's changes

book-architect is a skill published in the GitHub repository robertguss/claude-code-toolkit (108 stars, last pushed 26d ago), licensed MIT. It adds 94 tokens to every session and 1,801 once invoked, about $0.0005 per session on Opus 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 2026-08-30.

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