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fix: Add checks and better error messages on server object for mcp run (#297)

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john0312 2025-05-14 01:27:10 +08:00 • committed by GitHub
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@ -387,6 +387,8 @@ python server.py
mcp run server.py
```
Note that `mcp run` or `mcp dev` only supports server using FastMCP and not the low-level server variant.
### Streamable HTTP Transport
> **Note**: Streamable HTTP transport is superseding SSE transport for production deployments.
@ -694,6 +696,8 @@ if __name__ == "__main__":
asyncio.run(run())
```
Caution: The `mcp run` and `mcp dev` tool doesn't support low-level server.
### Writing MCP Clients
The SDK provides a high-level client interface for connecting to MCP servers using various [transports](https://modelcontextprotocol.io/specification/2025-03-26/basic/transports):