--- sidebar_position: 3 slug: /mcp_client --- # RAGFlow MCP client example We provide a *prototype* MCP client example for testing [here](https://github.com/infiniflow/ragflow/blob/main/mcp/client/client.py). :::danger IMPORTANT If your MCP server is running in host mode, include your acquired API key in your client's `headers` as shown below: ```python async with sse_client("http://localhost:9382/sse", headers={"api_key": "YOUR_KEY_HERE"}) as streams: # Rest of your code... ``` :::