Catalog›Plugins›Files & documents›kessai-kunKKkessai-kun現物不動産売買の決済精算書を自動生成するClaude Coworkスキル。売買契約書PDFを投げるだけで、固定資産税・都市計画税の日割り精算を含む決済精算書をExcel形式で自動出力します。不動産鑑定士・宅建士・AM担当者の決済準備業務を大幅に効率化します。 Open site Open in the app JSON README (API)現物不動産売買の決済精算書を自動生成するClaude Coworkスキル。売買契約書PDFを投げるだけで、固定資産税・都市計画税の日割り精算を含む決済精算書をExcel形式で自動出力します。不動産鑑定士・宅建士・AM担当者の決済準備業務を大幅に効率化します。READMELoading documentation…# 決済クン (Kessai-kun) — Real Estate Settlement Statement Generator for Claude Cowork **決済クン** is a Claude Cowork skill that automates the creation of settlement statements for Japanese real estate transactions (現物不動産売買の決済精算書). What used to take a licensed appraiser or agent **30–60 minutes of manual calculation** now takes a few minutes. --- ## What It Does | Phase | Function | Status | |-------|----------|--------| | ① | Extract key data from sale contract PDFs (price, deposit, settlement date, property tax) | ✅ | | ② | Calculate pro-rated fixed asset tax / city planning tax by day | ✅ | | ③ | Export a structured settlement statement as `.xlsx` (3 sheets) | ✅ | --- ## 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 - AMご担当者 / Asset Managers handling property acquisitions --- ## Supported Document Types - 宅建協会書式（売買契約書） - 全日本不動産協会書式（売買契約書） > **Note:** Trust beneficiary interest sales (信託受益権売買) are out of scope due to additional trust fee calculations required. --- ## How to Install 1. Download `kessai-kun.skill` from [Releases](https://github.com/pinotan2024-coder/kessai-kun/blob/HEAD/../../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 Attach your PDF(s) and type naturally in Japanese: ``` この売買契約書から決済精算書を作って ``` or with rent roll: ``` 契約書とレントロールから決済精算書を作って ``` The skill will: 1. Extract property details, sale price, deposit, settlement date, and tax figures from the contract PDF 2. Calculate the pro-rated property tax (固都税) split between buyer and seller 3. Output a complete Excel settlement statement with 3 sheets: 基本情報 / レントロール / 精算書 --- ## Output Example For a property with: - Sale price: ¥500,000,000 - Settlement date: June 30 - Fixed asset tax: ¥1,200,000 / year - City planning tax: ¥240,000 / year The skill calculates the seller's share (Jan 1 – Jun 30 = 181 days) and buyer's share automatically, producing a ready-to-review Excel file. --- ## Important Disclaimer > **This skill generates a draft settlement statement only.** > All figures must be verified and the final settlement must be confirmed and signed off by a licensed *takken-shi* (宅建士) and the parties involved. 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. DetailsTypePluginsTopicFiles & documentsPublisherpinotan2024-coderSourcemarketplaceCategoryToolsLast update2026-04-23T06:41:55ZProject statusActiveLicenseMITAdded2026-08-30 01:48:58Updated2026-08-30 01:48:58Source idpinotan2024-coder/kessai-kun/kessai-kunMoreMore plugins on Files & documentsAll from pinotan2024-coderA–Z index
