Weather MCP Server
Provides weather alerts and forecasts via MCP tools, supporting both STDIO and SSE transports.
README
Weather MCP Server
A mini project demonstrating how to build and use a Model Context Protocol (MCP) server with Python.
Features
- Weather Alerts Tool
- Weather Forecast Tool
- SSE Transport
- STDIO Transport
- MCP Client Integration
- Docker Support
- Async Python Implementation
Project Structure
mcpcrashcourse/
│
├── server/
│ └── mcpserver/
│ ├── server.py
│ ├── client-sse.py
│ ├── client-stdio.py
│ ├── Dockerfile
│ └── requirements.txt
│
├── weather.py
├── weather.json
├── client.py
├── README.md
├── pyproject.toml
└── uv.lock
Tools
get_alerts
Returns active weather alerts for a US state.
Example:
get_alerts("CA")
get_forecast
Returns forecast information based on latitude and longitude.
Example:
get_forecast(
latitude=37.7749,
longitude=-122.4194
)
Transports
STDIO
Used for local MCP communication.
SSE
Used for remote communication through HTTP.
Running the Server
STDIO
uv run server/mcpserver/server.py
SSE
Configure transport as:
mcp.run(transport="sse")
Then:
uv run server/mcpserver/server.py
Running Clients
SSE Client
uv run server/mcpserver/client-sse.py
STDIO Client
uv run server/mcpserver/client-stdio.py
Docker
Build:
docker build -t weather-mcp .
Run:
docker run weather-mcp
Technologies Used
- Python
- MCP
- FastMCP
- HTTPX
- AsyncIO
- Docker
- SSE
- STDIO
Learning Outcomes
- Building MCP tools
- Creating MCP servers
- Working with MCP clients
- Using SSE transport
- Using STDIO transport
- Tool invocation
- Agent-tool communication
- Dockerizing MCP applications
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