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jucho-kun

Automates the preliminary investigation phase for Japanese real estate disclosure documents (重要事項説明書). Given a property address, it generate

Open source Open in the app JSON README (API)

About

Automates the preliminary investigation phase for Japanese real estate disclosure documents (重要事項説明書). Given a property address, it generates a complete due diligence checklist, extracts key facts from PDFs (registry certificates, urban planning maps, hazard maps), and outputs a structured Excel investigation report. Built for licensed real estate appraisers and agents (宅建士・不動産鑑定士).

Details

Kind
Plugins
Topic
Files & documents
Publisher
pinotan2024-coder
Origin
marketplace
Category
ferramentas
Stars
1
Last push
2026-04-30T07:52:23Z
Repository state
ativo
License
MIT
Added
2026-08-30 01:48:58
Updated
2026-08-30 01:48:58
Origin id
pinotan2024-coder/jucho-kun/jucho-kun

README

# 重調クン (Jucho-kun) — Real Estate Due Diligence Skill for Claude Cowork

**重調クン** is a Claude Cowork skill that automates the preliminary investigation phase required for preparing Japanese real estate disclosure documents (重要事項説明書 / *Jūyō Jikō Setsumeisho*, Article 35 of the Building Lots and Buildings Transaction Business Act).

What used to take a licensed appraiser or agent **1 hour of desk research** now takes a few minutes.

---

## 🌐 公式サイト・お問い合わせ / Official Website & Contact

業務での活用・組織導入支援・カスタマイズ開発のご相談は、公式サイトよりお問い合わせください。

**▶ 公式サイト**: https://pinotan2024-coder.github.io/jucho-kun/

**▶ お問い合わせフォーム**: https://forms.gle/YTzkABzQ2xEwmh917

For inquiries about business use, organizational deployment support, or custom development:
visit our [official website](https://pinotan2024-coder.github.io/jucho-kun/) or fill out the [contact form](https://forms.gle/YTzkABzQ2xEwmh917).

---

## What It Does

| Phase | Function | Status |
|-------|----------|--------|
| ① | Generate a full investigation checklist from a property address | ✅ |
| ② | Auto-fetch urban planning data (zoning, FAR, BCR, fire zone) + hazard map data | ✅ |
| ③ | Extract key facts from PDFs (registry certificates, urban planning maps, etc.) | ✅ |
| ⑤ | Export a structured investigation report as `.xlsx` | ✅ |

> Phase ④ (draft disclosure text) and full online municipal data retrieval are in progress.

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## Who It's For

- 宅地建物取引士 / Licensed Real Estate Agents (*takken-shi*)
- 不動産鑑定士 / Certified Real Estate Appraisers
- 仲介担当者 / Real Estate Brokers and Transaction Coordinators

---

## How to Install

1. Download `jucho-kun.skill` from [Releases](../../releases)
2. Open **Claude Cowork**
3. Drag and drop the `.skill` file into the chat, or click **Save Skill**
4. The skill is now available in your project

---

## How to Use

Just type naturally in Japanese:

```
重説調査して
```

The skill will ask you for:
1. Property address (物件住所)
2. Transaction type: 売買 (sale) or 賃貸 (lease)
3. Use type: 居住用 (residential) or 事業用 (commercial)
4. Whether the property is a 区分所有建物 (condominium unit)

Then it generates a checklist, fetches publicly available data, and outputs an Excel report.

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## Example Output

For **京都府京都市東山区祇園町南側575**(売買・事業用):

- **Urban Planning** (from Kyoto City GIS): 商業地域, 建ぺい率80%, 容積率400%, 防火地域, 高さ最高20m地区
- **Flood Hazard** (from 国土地理院): 洪水浸水想定区域あり(浸水深0.5〜3.0m)
- **Landslide**: Outside designated hazard zone (hillside area nearby has yellow/red zones)
- **Tsunami / Storm Surge**: No risk (inland, elevation ≈40.7m)
- Plus a 30-item checklist with direct links to relevant government map services

---

## Important Disclaimer

> **This skill is a first-pass screening tool only.**
> All findings must be verified and the final disclosure document must be prepared, reviewed, and signed by a licensed *takken-shi* (宅建士). The author assumes no legal liability for the use of outputs from this skill.

---

## Author

**松田幸一 / Koichi Matsuda**
不動産鑑定士(Certified Real Estate Appraiser, registered 2002)
Signal Yield Advisory
〒106-0032 東京都港区六本木3-16-12 六本木KSビル5F

- 📧 [signalYield@gmail.com](mailto:signalYield@gmail.com)
- 📝 [note.com/matsudansyaku](https://note.com/matsudansyaku)
- 💼 [VisasQ プロフィール](https://expert.visasq.com/profile/#/)

---

## License

MIT License. Feel free to fork, adapt, and improve.
Pull requests and issue reports are welcome.

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