HRFCO Service

Real-time hydrological information inquiry service (MCP Server)

Features

• Real-time hydrological information such as water level, precipitation, and dam discharge

• View detailed information by observatory

• Time series data filtering and statistics

• Observatory location information query

Related MCP server: USGS Water MCP

Prerequisites

• Python 3.8+

• Claude Desktop

Installation

1. Install the package:

   git clone https://github.com/kwenhwang/hrfco-service.git cd hrfco_service pip install -e .

2. Install required dependencies:

   pip install -r requirements.txt

3. Configure HRFCO API Key:

   Windows:

   # PowerShell [Environment]::SetEnvironmentVariable("HRFCO_API_KEY", "your-api-key", "User")
   # Command Prompt setx HRFCO_API_KEY "your-api-key"

   Or add it in Control Panel > System > Advanced System Settings > Environment Variables > User Variables

   Linux/macOS:

   # Add to ~/.bashrc or ~/.zshrc export HRFCO_API_KEY="your-api-key" # Apply changes source ~/.bashrc # or source ~/.zshrc

   Or create a .env file:

   echo "HRFCO_API_KEY=your-api-key" > .env

Configuration

1. Update claude_desktop_config.json :

   { "mcpServers": { "hrfco": { "command": "C:\\Users\\{USERNAME}\\AppData\\Local\\Programs\\Python\\Python313\\python.exe", "args": ["-m", "hrfco_service"], "cwd": "D:\\python\\mcp\\hrfco_service", "env": { "PYTHONPATH": "D:\\python\\mcp\\hrfco_service" } } } }

2. Cursor Configuration:

   • Open Cursor Settings (Ctrl+,)

   • Navigate to Extensions > Python

   • Update Python Path to your Python installation:

     C:\Users\{USERNAME}\AppData\Local\Programs\Python\Python313\python.exe

   • Set PYTHONPATH in workspace settings:

     { "python.analysis.extraPaths": ["D:/python/mcp/hrfco_service"] }

3. Ensure HRFCO_API_KEY is set as a system environment variable.

Usage Examples