Cant work with Unicode, Chinese for example

[fengin]

Hi, It cant work with Chinese words for input or out put.

1. list tools return unreadable code

2.input it will exception

2025-02-06 15:19:31,251 - mcp.server.lowlevel.server - DEBUG - Received message: 1 validation error for JSONRPCMessage Input should be a valid string, unable to parse raw data as a unicode string [type=string_unicode, input_value='{"jsonrpc":"2.0","id":3,...rompt":"�\udc91"}}}\n', input_type=str] For further information visit https://errors.pydantic.dev/2.10/v/string_unicode

How can i fixed it ?

[fengin]

No way, I have to use base64 input text ,and decode it in my implement .
Can you solve it later ?

[fengin]

it need to upgrade mcp sdk to 1.2.1 to fix this bug