晚上更新了哈雷佬的Cometix Codex，无法启动孙佬的Grok-Search MCP 
使用环境Windows + PowerShell 
CLI报错MCP startup incomplete (failed: grok-search) 
查看日志报错Failed to read MCP server stderr (uvx): stream did not contain valid UTF-8 
让Codex自查解决了，添加以下代码 
[mcp_servers.grok-search.env]
PYTHONIOENCODING = "utf-8"
PYTHONUTF8 = "1"
NO_COLOR = "1"

问题原因分析 
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