About OpenWeather
OpenWeather is an MCP server published by mschneider82 in the Developer Tools category: mcp server for openweather free api.
The repository has 21 stars and 13 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.
Install
git clone https://github.com/mschneider82/mcp-openweatherThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Ask AI
Ask AI about OpenWeather
Powered by Claude · Grounded in docs
Security checks
Static checks derived from the repository 8 hours ago. Heuristics on the source, not an audit.
- ✓README presentThe repository ships documentation.
- ✓License declaredUsable under a stated license.
- !Tests presentNo tests found. Behaviour changes may go unnoticed between versions.
- ✓Dependencies pinnedA lockfile pins dependency versions.
- ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
- !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.
Releases
README
MCP Weather Service
A simple MCP service that provides current weather and 5-day forecast using the free OpenWeatherMap API.
Features
- Current weather conditions
- 5-day weather forecast
- Configurable units (Celsius/Fahrenheit/Kelvin)
- Multi-language support
- Simple MCP integration
Prerequisites
- Go 1.20+
- OpenWeatherMap API key
Installation
-
Get OpenWeatherMap API key from https://openweathermap.org/api
-
Clone repository:
git clone https://github.com/mschneider82/mcp-openweather.git cd mcp-openweather -
Build:
go build -o mcp-weather
Installing via Smithery
To install MCP Weather Service for Claude Desktop automatically via Smithery:
npx -y @smithery/cli install @mschneider82/mcp-openweather --client claude
Configuration
Set required environment variable:
export OWM_API_KEY="your_api_key_here"
Usage
"mcpServers": {
"mcp-openweather": {
"command": "/home/YOURUSER/git/mcp-openweather/mcp-openweather",
"env": {
"OWM_API_KEY": "PUT_API_KEY_HERE"
}
}
}
MCP Parameters
{
"tool": "weather",
"params": {
"city": "Berlin", // Required
"units": "c", // Optional (c|f|k)
"lang": "en" // Optional (en|de|fr|...)
}
}
Example Response
Current weather for München:
Conditions: Klarer Himmel
Now: 17.78 metric
High: 18.66 metric
Low: 17.36 metric
Pressure: 1017
Humidity: 40
FeelsLike: 16.66
Wind Speed: 1.79
Wind Degree: 61
Sunrise: 1747107429 Unixtime
Sunset: 1747161784 Unixtime
Weather Forecast for München:
Date & Time: 2025-05-13 12:00:00 +0000 UTC
Conditions: Clear Klarer Himmel
Temp: 17.78
High: 18.93
Low: 17.78
Date & Time: 2025-05-13 15:00:00 +0000 UTC
Conditions: Clear Klarer Himmel
Temp: 18.33
High: 19.44
Low: 18.33
Date & Time: 2025-05-13 18:00:00 +0000 UTC
Conditions: Clear Klarer Himmel
Temp: 16.32
High: 16.32
Low: 15.59
Date & Time: 2025-05-13 21:00:00 +0000 UTC
Conditions: Clear Klarer Himmel
Temp: 9.18
High: 9.18
Low: 9.18
...
Error Handling
Common error scenarios:
Missing API key: FATAL: OWM_API_KEY environment variable not set
Invalid city: current weather error: failed to fetch current weather: city not found
Network issues: failed to fetch forecast: context deadline exceeded
Development
Contributions welcome! Please follow these steps:
Fork the repository
Create a feature branch
Commit changes
Push to the branch
Create a Pull Request
License
MIT License - see LICENSE for details
README fetched from the repository 8 hours ago. The original is authoritative.