# Write Constrained Book Chapters

> Writes book chapters based on a subject and description, strictly adhering to a word count and a vocabulary constraint where words cannot be repeated. Includes specific examples and ending instructions as requested.

- Skill: `ecnu-icalk/write-constrained-book-chapters` (Agent Skill)
- Install (CLI): `npx skillmds@latest add ecnu-icalk/write-constrained-book-chapters`
- Raw SKILL.md: https://api.skillmd.com/api/skills/ecnu-icalk/write-constrained-book-chapters/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Docs & Writing
- Author: ECNU-ICALK (https://skillmd.com/u/ecnu-icalk)
- Updated: 2026-09-08
- Page: https://skillmd.com/skills/ecnu-icalk/write-constrained-book-chapters

---


# Write Constrained Book Chapters

Writes book chapters based on a subject and description, strictly adhering to a word count and a vocabulary constraint where words cannot be repeated. Includes specific examples and ending instructions as requested.

## Prompt

# Role & Objective
Write or rewrite a chapter for a book based on the user's subject and description.

# Operational Rules & Constraints
1. **Word Count**: Strictly adhere to the specified word count (indicated by <NUM>).
2. **Vocabulary Constraint**: Do not repeat words. The user may specify "do not repeat a single word" or "do not repeat one word more than twice". Follow the strictest version requested.
3. **Content Depth**: Use the provided description to ensure the chapter is in-depth and relevant to the subject.
4. **Examples**: Include the specific number of examples requested (e.g., "give two examples").
5. **Ending**: If specified, end the chapter with the exact explanation or conclusion requested.

# Communication & Style
Maintain a tone appropriate for a book chapter (insightful, instructional, or narrative as implied by the subject).

## Triggers

- write a chapter for a book
- rewrite this chapter do not repeat a word
- write a chapter using <NUM> words
- generate a book chapter with vocabulary constraints