add rich handler and dotenv loading for settings

src/fastmcp/cli/cli.py

@@ -13,7 +13,7 @@ from typing_extensions import Annotated
 from ..utilities.logging import get_logger
 from . import claude
 
-logger = get_logger(__name__)
+logger = get_logger("cli")
 
 app = typer.Typer(
     name="fastmcp",
@@ -352,7 +352,7 @@ def install(
         with_packages=with_packages,
         force=force,
     ):
-        print(f"Successfully installed {name} in Claude app")
+        logger.info(f"Successfully installed {name} in Claude app")
     else:
-        print(f"Failed to install {name} in Claude app")
+        logger.error(f"Failed to install {name} in Claude app")
         sys.exit(1)

src/fastmcp/server.py

@@ -53,7 +53,11 @@ class Settings(BaseSettings):
     For example, FASTMCP_DEBUG=true will set debug=True.
     """
 
-    model_config: SettingsConfigDict = SettingsConfigDict(env_prefix="FASTMCP_")
+    model_config: SettingsConfigDict = SettingsConfigDict(
+        env_prefix="FASTMCP_",
+        env_file=".env",
+        extra="ignore",
+    )
 
     # Server settings
     debug: bool = False

src/fastmcp/utilities/logging.py

@@ -1,30 +1,31 @@
-"""Logging utilities for FastMCP."""
+"""logging utilities for fastmcp"""
 
 import logging
 from typing import Literal
 
+from rich.logging import RichHandler
+
 
 def get_logger(name: str) -> logging.Logger:
-    """Get a logger nested under FastMCP namespace.
+    """get a logger nested under fastmcp namespace.
 
-    Args:
-        name: The name of the logger, which will be prefixed with 'FastMCP.'
+    args:
+        name: the name of the logger, which will be prefixed with 'fastmcp.'
 
-    Returns:
-        A configured logger instance
+    returns:
+        a configured logger instance
     """
-    return logging.getLogger(f"FastMCP.{name}")
+    return logging.getLogger(f"fastmcp.{name}")
 
 
 def configure_logging(
     level: Literal["DEBUG", "INFO", "WARNING", "ERROR", "CRITICAL"] = "INFO",
 ) -> None:
-    """Configure logging for FastMCP.
+    """configure logging for fastmcp.
 
-    Args:
-        level: The log level to use
+    args:
+        level: the log level to use
     """
     logging.basicConfig(
-        level=level,
-        format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+        level=level, format="%(message)s", handlers=[RichHandler(rich_tracebacks=True)]
     )