Changed default log level to error (#258)

Author: Michaelzag

src/mcp/server/fastmcp/server.py

@@ -65,7 +65,7 @@ class Settings(BaseSettings, Generic[LifespanResultT]):
 
     # Server settings
     debug: bool = False
-    log_level: Literal["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"] = "INFO"
+    log_level: Literal["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"] = "ERROR"
 
     # HTTP settings
     host: str = "0.0.0.0"