
Rakuten Travel MCP Server
A Model Context Protocol (MCP) server that provides an interface to the Rakuten Travel API for hotel searching and availability checking.
Features
- Hotel Search: Search for hotels by location, hotel number, or area code
- Availability Search: Find vacant hotels with real-time availability
- Area Code Resource: Access hierarchical Japanese location data
- Type-Safe: Comprehensive TypeScript types with Zod validation
- MCP Compliant: Works with any MCP-compatible client
Development
Running Tests
# Run all tests
deno task test
# Run tests in watch mode
deno task test:watchProject Structure
rakuten_travel_mcp/
โโโ serve.ts # Main MCP server implementation
โโโ types.ts # TypeScript types and Zod schemas
โโโ area_code.json # Hierarchical location data
โโโ *.test.ts # Test files
โโโ deno.json # Deno configuration
โโโ .env # Environment variables (create this)API Parameters
Common Parameters
hits: Number of results per page (1-30, default: 30)page: Page number for paginationsort: Sort order (various options available)
Hotel Search Specific
hotelNo: Array of hotel numberslatitude/longitude: Coordinates for geographic searchsearchRadius: Search radius in km (1-3)squeezeCondition: Filter for hotels with/without vacancieshotelType: Filter by hotel type (0-3)
Vacant Hotel Search Specific
checkinDate/checkoutDate: Required dates (YYYY-MM-DD)rooms: Number of rooms (1-5)adultNum: Adults per room (1-5)minCharge/maxCharge: Price range filters
Testing
The project includes comprehensive tests for:
- Schema validation
- API parameter building
- Response processing
- Error handling
- Network timeouts
Error Handling
The server handles various error scenarios:
- Missing required parameters
- Invalid date formats
- API rate limits
- Network timeouts
- Invalid API responses
Prerequisites
- Deno runtime installed
- Rakuten Travel API Application ID (Get one here)
Installation
- Clone the repository:
git clone https://github.com/yourusername/rakuten_travel_mcp.git
cd rakuten_travel_mcpUsage
Running the Server
- configure your MCP client. (following example is for
Claude Desktop)
```json
{
"mcpServers": {
"rakuten_travel_mcp": {
"command": "deno",
"args": [
"run",
"--allow-net=app.rakuten.co.jp",
"--allow-env=APPLICATION_ID",
"/path/to/rakuten_travel_mcp/serve.ts"
],
"env": {
"APPLICATION_ID": "<your_application_id>"
}
}
}
}Available Tools
1. Hotel Search (hotel-search)
Search for hotels using various criteria:
Search by Hotel Number:
{
"hotelNo": ["123456", "789012"]
}Search by Coordinates:
{
"latitude": 35.6762,
"longitude": 139.6503,
"searchRadius": 3,
"datumType": 1
}Search by Area Code:
{
"largeClassCode": "japan",
"middleClassCode": "tokyo",
"smallClassCode": "shibuya"
}2. Vacant Hotel Search (vacant-hotel-search)
Search for available hotels:
{
"checkinDate": "2024-03-15",
"checkoutDate": "2024-03-17",
"rooms": 1,
"adultNum": 2,
"largeClassCode": "japan",
"middleClassCode": "tokyo"
}Available Resources
Area Code Resource (config://area_code)
Access hierarchical location data for Japan:
- Country level (e.g., "japan")
- Prefecture level (e.g., "tokyo", "osaka")
- City level (e.g., "shibuya", "shinjuku")
- Area level (detailed districts)
No common issues documented yet. If you hit a problem, the repository's GitHub Issues page is the best place to look.
Licensed under MITโ you can use, modify, and redistribute it under that license's terms.
License
This project is licensed under the MIT License - see the LICENSE file for details.