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# Cangjie Skill
Distill a book into a set of executable AI skills.
## Official Website
🌐 [Visit the Cangjie Skill official website](https://cangjie-skill.com/)
The website provides visual Skill Pack browsing, a beginner-friendly usage guide, Skill detail pages, and a contribution submission entry. This GitHub repository remains the sole source for cangjie-skill code, methodology, and templates; the website provides presentation, navigation, and usage guidance.
## Why This Exists
There's a recent viral idea: distilling colleagues into AI skills. Even after someone leaves, their experience, tone, and work style can be partially replicated by AI. [nuwa-skill](https://github.com/alchaincyf/nuwa-skill) does exactly this — creating "human skills" like an Elon Musk skill or a Warren Buffett skill. The companion [darwin-skill](https://github.com/alchaincyf/darwin-skill) handles automatic skill evolution.
Distilling people is valuable — nuwa-skill has already proven this. Distilling what people have **written** is a complementary dimension: a book represents years of deliberate thinking — the distilled essence of careful reflection. Rather than imitating someone's expression style, extracting their systematically produced methodologies into tools that help people solve real problems is equally valuable.
There's also a real pain point: you might read many books but struggle to apply them. Knowledge stays at the "I've read it" level and never gets activated in real decisions. Once a book is distilled into skills, an AI agent can invoke that knowledge in real scenarios — instead of letting it gather dust in your notes.
So cangjie-skill has one clear goal: **distill every book worth distilling**, turning each high-value book into a set of independently callable, composable, and pressure-testable AI skill packs.
## What Problems It Solves
- Reading many books but never applying them — knowledge stays at "I've read it" and never activates in real decisions
- Book summaries and reading notes are compression, not structured reuse — you still don't know "when to use what"
- Only a small fraction of a book deserves to become a tool — strict filtering is needed, not wholesale inclusion
- Existing reading methodologies are designed for human readers, not agent executors — distillation must be execution-oriented, not reading-oriented
## How It Works
cangjie-skill uses the **RIA-TV++** pipeline to transform a book from raw text into a set of structured skills. The process has seven stages:
1. **Whole-Book Comprehension (Adler Analysis)** — Structural, interpretive, critical, and applicability analysis using Mortimer Adler's method, producing `BOOK_OVERVIEW.md`
2. **Parallel Extraction** — Five specialized extractors (frameworks, principles, cases, counter-examples, glossary) run simultaneously to pull candidate units from the source text
3. **Triple Verification** — Each candidate must pass three checks: at least 2 independent supporting passages (cross-domain), ability to answer a novel question (predictive power), and non-commonsense uniqueness. Pass rate is typically 25-50%
4. **RIA++ Construction** — Verified content is structured into six dimensions: R (original quote) / I (own-words reconstruction) / A1 (book cases) / A2 (future trigger scenarios) / E (executable steps) / B (boundaries & blind spots)
5. **Zettelkasten Linking** — Dependency, contrast, and composition relationships between skills are identified, producing `INDEX.md` with a reference graph
6. **Pressure Testing** — Test prompts including bait questions (and cross-skill confusion tests) are designed for each skill; failures go back for full reconstruction
7. **Delivery** — A reader-facing `DIGEST.md` long-form digest is generated (skip the book, read the essence), and tested skills are installed into the Claude Code / Cursor skills directory so they can actually be invoked
The name RIA-TV++ breaks down as:
- **RIA**: From Zhao Zhou's bookmark method (Reading / Interpretation / Appropriation)
- **TV**: Triple Verification
- **++**: Agent-oriented extensions — E (Execution) + B (Boundary)
## Effect Examples
### Example 1: From a Book to a Skill Pack
**User Need**
"I want to turn a book's core methodologies into reusable AI skills, not just a reading summary."
**How cangjie-skill reasons**
- Check whether the source material has reusable methodological units
- Distinguish what deserves to be a standalone skill vs. background material
- Output a structured skill repository, not a single summary document
**Example Output**
> The result will not be one summary document. It will be a multi-skill repository with `BOOK_OVERVIEW.md`, `INDEX.md`, a reader-facing `DIGEST.md`, a `GLOSSARY.md`, multiple `*/SKILL.md` files, and `test-prompts.json` for trigger testing.
### Example 2: Structured Reuse, Not Compression
**User Need**
"I don't want a long explanatory article. I want a skill pack my agent can reuse."
**How cangjie-skill reasons**
- Target is structured reuse, not narrative compression
- Prioritize triggerable, composable, testable skill units
- Reject material that doesn't deserve standalone skill status
**Example Output**
> The system produces multiple skill modules with trigger conditions, boundaries, execution patterns, and related-skill links — rather than flattening the source into one generalized note.
## Generated Skill Packs
| Repository | Source | Skills |
|------------|--------|--------|
| [buffett-letters-skill](https://github.com/kangarooking/buffett-letters-skill) | Buffett's shareholder letters (1957-2023) | 20 |
| [cognitive-dividend-skill](https://github.com/kangarooking/cognitive-dividend-skill) | Cognitive Dividend | 15 |
| [duan-yongping-skill](https://github.com/kangarooking/duan-yongping-skill) | Duan Yongping's Q&A (business + investment logic) | 15 |
| [viral-copywriting-skill](https://github.com/kangarooking/viral-copywriting-skill) | Bao Kuan Wen An | 14 |
| [copywriters-handbook-skill](https://github.com/kangarooking/copywriters-handbook-skill) | The Copywriter's Handbook | 12 |
| [contagious-skill](https://github.com/kangarooking/contagious-skill) | Contagious | 15 |
| [influence-skill](https://github.com/kangarooking/influence-skill) | Influence | 12 |
| [1000-true-fans-skill](https://github.com/kangarooking/1000-true-fans-skill) | 1000 True Fans | 13 |
| [system-prompt-skills](https://github.com/kangarooking/system-prompt-skills) | 165 AI product system prompts | 15 |
| [X-growth-skills](https://github.com/kangarooking/X-growth-skills) | Practical X (Twitter) account launch, content growth, algorithm, engagement, and monetization resources | 15 |
| [poor-charlies-almanack-skill](https://github.com/kangarooking/poor-charlies-almanack-skill) | Poor Charlie's Almanack | 12 |
| [no-rules-rules-skill](https://github.com/kangarooking/no-rules-rules-skill) | No Rules Rules | 10 |
| Huangdi Neijing Suwen (in this project) | Huangdi Neijing: Suwen | 10 |
| Huangdi Neijing Lingshu (in this project) | Huangdi Neijing: Lingshu | 8 |
| [first-principles-skill](https://github.com/kangarooking/first-principles-skill) | First Principles | 10 |
| [mao-selected-works-skill](https://github.com/kangarooking/mao-selected-works-skill) | Selected Works of Mao Zedong, Vol. 1-5 | 25 |
| [qbdx-hub/buffett-letters-skill](https://github.com/qbdx-hub/buffett-letters-skill) | Buffett Shareholder Letters (1957-2023) | 20 |
| [qbdx-hub/wo-yu-di-tan-skill](https://github.com/qbdx-hub/wo-yu-di-tan-skill) | Wo Yu Di Tan | 6 |
| [qbdx-hub/mingchao-those-things-skill](https://github.com/qbdx-hub/mingchao-those-things-skill) | Mingchao Those Things | 7 |
| [qbdx-hub/sunzi-bingfa-skill](https://github.com/qbdx-hub/sunzi-bingfa-skill) | Sunzi Bingfa | 8 |
| [qbdx-hub/zhouyi-skill](https://github.com/qbdx-hub/zhouyi-skill) | Zhouyi | 8 |
| [qbdx-hub/high-math-vol1-ch1-skill](https://github.com/qbdx-hub/high-math-vol1-ch1-skill) | High Math Vol. 1 Chapter 1 | 8 |
More high-value books are planned for distillation.
Additional external source (included with the author's permission):
- Source repository: [ace3000chao/book2startup](https://github.com/ace3000chao/book2startup)
- Included books: *The Lean Startup*, *The Art of War*, *Zhuangzi*, and *I Ching*
- Source repository: [shenqistart/book2skill](https://github.com/shenqistart/book2skill)
- Included books: *Chanlun* and *The Classic of Tea*
## Repository Structure
```text
cangjie-skill/
├── README.md ← You are here
├── README.en.md ← English version
├── README.ja.md ← Japanese version
├── LICENSE ← GNU AGPL v3.0
├── SKILL.md ← Meta-skill definition (full execution spec for cangjie-skill)
├── methodology/ ← RIA-TV++ stage-by-stage methodology docs
├── extractors/ ← Prompt definitions for the 5 parallel extractors
└── templates/ ← SKILL.md / INDEX.md / BOOK_OVERVIEW.md templates
```
## Ecosystem
cangjie-skill is part of a larger skill ecosystem:
- [nuwa-skill](https://github.com/alchaincyf/nuwa-skill) — Distills people (thinking styles, expression DNA)
- **cangjie-skill** (this repo) — Distills books (methodologies, frameworks, principles)
- [darwin-skill](https://github.com/alchaincyf/darwin-skill) — Evolves any skill
They interlock: nuwa distills people, cangjie distills books, darwin keeps them evolving.
## More Skills
- [Buffett Letters Skill](https://github.com/kangarooking/buffett-letters-skill) — 20 investment reasoning skills from Buffett's 60+ years of shareholder letters
- [Poor Charlie's Almanack Skill](https://github.com/kangarooking/poor-charlies-almanack-skill) — 12 decision-making and judgment skills from Charlie Munger's core thinking methods
- [No Rules Rules Skill](https://github.com/kangarooking/no-rules-rules-skill) — 10 organizational design skills from Netflix's culture of freedom and responsibility
- [Cognitive Dividend Skill](https://github.com/kangarooking/cognitive-dividend-skill) — 15 cognitive tool skills for thinking upgrades from Cognitive Dividend
- [Duan Yongping Skill](https://github.com/kangarooking/duan-yongping-skill) — 15 business and investment skills from Duan Yongping's Q&A collection
- [Viral Copywriting Skill](https://github.com/kangarooking/viral-copywriting-skill) — 14 sales copywriting and diagnosis skills from *Bao Kuan Wen An*
- [Copywriters Handbook Skill](https://github.com/kangarooking/copywriters-handbook-skill) — 12 sales copywriting, headline, and benefit translation skills from *The Copywriter's Handbook*
- [Contagious Skill](https://github.com/kangarooking/contagious-skill) — 15 STEPPS propagation strategy and word-of-mouth diagnosis skills from *Contagious*
- [Influence Skill](https://github.com/kangarooking/influence-skill) — 12 persuasion psychology, compliance mechanism, and defensive judgment skills from *Influence*
- [1000 True Fans Skill](https://github.com/kangarooking/1000-true-fans-skill) — 13 personal branding, true fan development, and trust-based monetization skills from *1000 True Fans*
- [System Prompt Skills](https://github.com/kangarooking/system-prompt-skills) — 15 system prompt design skills distilled from 165 AI product system prompts
- [X Growth Skills](https://github.com/kangarooking/X-growth-skills) — 15 skills for X account launch, content, algorithms, engagement, review, and monetization
- Huangdi Neijing Suwen Skill (in this project) — 10 traditional Chinese medicine observation and regulation skills from *Huangdi Neijing: Suwen*
- Huangdi Neijing Lingshu Skill (in this project) — 8 body-mind regulation and syndrome differentiation skills from *Huangdi Neijing: Lingshu*
- [First Principles Skill](https://github.com/kangarooking/first-principles-skill) — 10 skills on axiomatic reasoning, boundary-breaking innovation, and organizational refresh from *First Principles*
- [Mao Selected Works Skill](https://github.com/kangarooking/mao-selected-works-skill) — 25 cognition, strategy, organization, and execution skills from *Selected Works of Mao Zedong*
- [qbdx-hub Buffett Letters Skill](https://github.com/qbdx-hub/buffett-letters-skill) — 20 investment and capital allocation skills from Buffett shareholder letters
- [qbdx-hub Wo Yu Di Tan Skill](https://github.com/qbdx-hub/wo-yu-di-tan-skill) — 6 skills on limits, suffering, writing, and self-anchoring from *Wo Yu Di Tan*
- [qbdx-hub Mingchao Those Things Skill](https://github.com/qbdx-hub/mingchao-those-things-skill) — 7 skills on power structure, institutional failure, and historical explanation from *Mingchao Those Things*
- [qbdx-hub Sunzi Bingfa Skill](https://github.com/qbdx-hub/sunzi-bingfa-skill) — 8 skills on strategic judgment, resource control, and action selection from *Sunzi Bingfa*
- [qbdx-hub Zhouyi Skill](https://github.com/qbdx-hub/zhouyi-skill) — 8 skills on situational diagnosis, timing, and advance-retreat boundaries from *Zhouyi*
- [qbdx-hub High Math Vol. 1 Chapter 1 Skill](https://github.com/qbdx-hub/high-math-vol1-ch1-skill) — 8 learning skills on limits, infinitesimals, and continuity from High Math Vol. 1 Chapter 1
External Source (included with the author's permission):
- [book2startup](https://github.com/ace3000chao/book2startup) — includes skills distilled from *The Lean Startup*, *The Art of War*, *Zhuangzi*, and *I Ching*
- [book2skill](https://github.com/shenqistart/book2skill) — includes AI-Agent skills distilled from *Chanlun* and *The Classic of Tea*
## About the Author
**kangarooking** — AI blogger, indie developer. Creator of AI Top WeChat Official Account「袋鼠帝 AI 客栈」
Volcengine Navigation KOL, Baidu Qianfan Developer Ambassador, GLM Evangelist, Trae Kunming's First Fellow
| Platform | Link |
|----------|------|
| 𝕏 Twitter | https://x.com/aikangarooking |
| Xiaohongshu | https://xhslink.com/m/5YejKvIDBbL |
| Douyin | https://v.douyin.com/hYpsjphuuKc |
| WeChat Official Account | 袋鼠帝 AI 客栈 |
| WeChat Video Channel | AI 袋鼠帝 |
WeChat Official Account「袋鼠帝 AI 客栈」QR code:
![](https://raw.githubusercontent.com/kangarooking/cangjie-skill/main/assets/kangarooking-gzh.png)
## ⭐ Star History
If this project has helped you, please star it.
<a href="https://www.star-history.com/?repos=kangarooking%2Fcangjie-skill&type=date&legend=top-left">
<img alt="Star History Chart" src="./assets/star-history.svg" />
</a>
## License
GNU Affero General Public License v3.0. See [LICENSE](./LICENSE).