Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@Japan Area Code MCP Serverfind area code for Tokyo"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
Japan Area Code MCP Server
A Model Context Protocol (MCP) server that provides access to Japanese statistical standard area codes (標準地域コード). This server fetches data from the official Japanese government CSV file and provides tools to list and search area codes.
Installation
Clone or download this repository
Install dependencies:
npm installBuild the project:
npm run build
Configuration
To use this MCP server with Cursor or other MCP-compatible clients, add it to
your MCP configuration file (typically ~/.cursor/mcp.json):
Make sure to replace /path/to/japan-areacode-mcp with the actual path to this
project.
Usage
The server provides two tools: list-areacode and find-areacode
Tool: list-areacode
Lists all area codes from the official Japanese government CSV file.
Parameters
None
Tool: find-areacode
Finds an area code by searching for a prefecture or municipality name.
Parameters
Parameter | Type | Required | Description |
| string | Yes | Search query that can match prefecture name, municipality name, or yomigana |
References
Data source:
https://www.soumu.go.jp/main_content/000323625.csv