fix: make verbose logging work

README.md

@@ -156,13 +156,14 @@ uvx snowflake-labs-mcp --service-config-file config.yaml --transport streamable-
 ```
 
 ## Transport Customizations
-The below server customizations are available when running with `sse` and `streamable-http` transports.
+Server customizations available for `sse` and `streamable-http` transports:
 
-| Server Parameter | CLI Arguments | Environment Variable | Default |
+| Parameter | CLI Argument | Environment Variable | Default |
 |-----------|--------------|---------------------|------------------|
 | Host | --server-host | SNOWFLAKE_MCP_HOST | "0.0.0.0"
 | Port | --port | SNOWFLAKE_MCP_PORT | 9000
 | Endpoint | --endpoint | SNOWFLAKE_MCP_ENDPOINT | /mcp
+| Debug Logging | --verbose | SNOWFLAKE_MCP_VERBOSE | false
 
 Example:
 ```bash
@@ -574,7 +575,8 @@ Once launched, the inspector will open a web interface where you can:
 - View real-time logs as you interact with the MCP server
 
 **Command Line Debugging:**
-Add verbose logging to see detailed connection and execution information:
+
+Enable debug logging with `--verbose` or set `SNOWFLAKE_MCP_VERBOSE=true`:
 ```bash
 uvx snowflake-labs-mcp --service-config-file <path_to_file>/tools_config.yaml --connection-name "default" --verbose
 ```

mcp_server_snowflake/server.py

@@ -501,6 +501,13 @@ def parse_arguments():
         help="Endpoint path for the MCP server (default: /mcp)",
         default="/mcp",
     )
+    parser.add_argument(
+        "--verbose",
+        action="store_true",
+        required=False,
+        help="Enable verbose/debug logging",
+        default=False,
+    )
 
     return parser.parse_args()
 
@@ -598,6 +605,19 @@ def initialize_tools(snowflake_service: SnowflakeService, server: FastMCP):
 def main():
     args = parse_arguments()
 
+    # Configure logging level based on verbose flag or environment variable
+    if args.verbose or os.getenv("SNOWFLAKE_MCP_VERBOSE", "").lower() in (
+        "true",
+        "1",
+        "yes",
+    ):
+        import logging
+
+        logging.getLogger().setLevel(logging.DEBUG)
+        logging.getLogger("fastmcp").setLevel(logging.DEBUG)
+        logging.getLogger(server_name).setLevel(logging.DEBUG)
+        logger.debug("Verbose/debug logging enabled")
+
     warn_deprecated_params()
 
     # Create server with lifespan that has access to args