MCP SSE Client-Server
@flyingcloud-code
About MCP SSE Client-Server
using sse in client and server
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"mcp-sse-client-server": {
"command": "uv",
"args": [
"venv"
]
}
}
}Tools
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Overview
What is MCP SSE Client-Server?
A Python implementation of an MCP client and server that communicates using Server-Sent Events (SSE). It integrates with MCP platform tools for web search, content retrieval, and date/weather utilities, and is intended for developers building asynchronous AI assistants.
How to use MCP SSE Client-Server?
Clone the repository, create a virtual environment, and install dependencies with uv sync .. Configure API keys in a .env file (OpenAI or OpenRouter). Start the server first with uv run mcp-server-search.py, then run the client with uv run mcp-client-sse.py --server http://localhost:8081/sse --verbose. Use --help for full options.
Key features of MCP SSE Client-Server
- SSE-based communication between client and server
- Integration with MCP platform tools (google_search, get_web_content)
- Asynchronous processing using Python's asyncio
- Comprehensive logging and error handling
- OpenAI API integration with fallback to OpenRouter
- Environment variable configuration support
Use cases of MCP SSE Client-Server
- Perform web searches via the google_search MCP tool
- Fetch full content of web pages with get_web_content
- Retrieve the weekday for a given date
- Get weather information for a specific date
- Build real-time streaming AI assistants with MCP
FAQ from MCP SSE Client-Server
What runtime is required?
Python 3.10 or higher. Dependencies include httpx, python-dotenv, openai, and mcp[cli].
How do I configure API keys?
Create a .env file in the project root with either OPENAI_API_KEY or OPENROUTER_API_KEY. Optionally set custom base URLs.
What transport does the server use?
The server uses Server-Sent Events (SSE) over HTTP. The default server URL is http://localhost:8081/sse.
Where are logs stored?
The client writes logs to mcp-client.log with timestamps and detailed information.
Can I use OpenRouter instead of OpenAI?
Yes. If you set OPENROUTER_API_KEY in your .env file, the client will fall back to OpenRouter. You can also specify a custom base URL.
Frequently asked questions
What runtime is required?
Python 3.10 or higher. Dependencies include httpx, python-dotenv, openai, and mcp[cli].
How do I configure API keys?
Create a `.env` file in the project root with either `OPENAI_API_KEY` or `OPENROUTER_API_KEY`. Optionally set custom base URLs.
What transport does the server use?
The server uses Server-Sent Events (SSE) over HTTP. The default server URL is `http://localhost:8081/sse`.
Where are logs stored?
The client writes logs to `mcp-client.log` with timestamps and detailed information.
Can I use OpenRouter instead of OpenAI?
Yes. If you set `OPENROUTER_API_KEY` in your `.env` file, the client will fall back to OpenRouter. You can also specify a custom base URL.
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