# Tax Invoice Credit Context

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- **Type:** Skill
- **Install:** `agentstack add skill-kazukinagata-shinkoku-tax-invoice-credit-context`
- **Verified:** Yes — security-reviewed for prompt injection and unsafe behavior
- **Seller:** [kazukinagata](https://agentstack.voostack.com/s/kazukinagata)
- **Installs:** 0
- **Category:** [Finance & Payments](https://agentstack.voostack.com/c/finance-and-payments)
- **Latest version:** 0.1.0
- **License:** MIT
- **Upstream author:** [kazukinagata](https://github.com/kazukinagata)
- **Source:** https://github.com/kazukinagata/shinkoku/tree/main/skills/tax-invoice-credit-context

## Install

```sh
agentstack add skill-kazukinagata-shinkoku-tax-invoice-credit-context
```

Requires the [AgentStack CLI](https://agentstack.voostack.com/docs/cli). Works with Claude Code, Cursor, and any MCP-compatible agent.

## About

# インボイス仕入税額控除コンテキスト（Input Tax Credit Context）

このスキルはインボイス制度における仕入税額控除の要件・例外に関するコンテキストを提供する。

## 仕入税額控除の情報提供

仕入税額控除に関する回答を行う際は、`references/input-tax-credit-rules.md` を読み込んで以下を実行する:

1. 原則（適格請求書＋帳簿の保存）を確認して案内する
2. 帳簿のみ保存の恒久特例6類型（公共交通機関・自販機・郵便等）への該当を確認する
3. 免税事業者からの仕入れに係る経過措置の控除率（80%→70%→50%→30%→0%）を案内する
4. 課税売上割合に応じた控除方式（全額控除・個別対応方式・一括比例配分方式）を説明する
5. 保存期間（7年間）と電子取引データ保存の要件を案内する

## 参照ファイル

| ファイル | 内容 |
|---------|------|
| `references/input-tax-credit-rules.md` | 仕入税額控除の原則・帳簿記載要件・恒久特例6類型・経過措置・課税売上割合と控除方式 |

## Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

- **Author:** [kazukinagata](https://github.com/kazukinagata)
- **Source:** [kazukinagata/shinkoku](https://github.com/kazukinagata/shinkoku)
- **License:** MIT

Install and usage instructions live in the source repository linked above.

## Pricing

- **Free** — Free

## Security capabilities

Automated source analysis of v0.1.0 — what this tool can access:

- **Network access:** no
- **Filesystem access:** no
- **Shell / process execution:** no
- **Environment & secrets:** no
- **Dynamic code execution:** no

*"Yes" means the capability is present in the source — more access means more to trust, not that it is unsafe.*


## Versions

- **0.1.0** — security scan: passed — Imported from the upstream source.

## Links

- Listing page: https://agentstack.voostack.com/l/skill-kazukinagata-shinkoku-tax-invoice-credit-context
- Seller: https://agentstack.voostack.com/s/kazukinagata
- Browse the marketplace: https://agentstack.voostack.com/browse

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Listed on AgentStack — the marketplace for AI agent skills and MCP servers. Every listing is security-reviewed. Creators keep 70%.