scvi-tools MCP Server

import logging import sys import os def setup_logger(name="scvi-mcp-server", log_file=None): """ Configure and return a logger Parameters: name: Logger name log_file: Log file name, if None output to stderr (not stdout!) Returns: Configured logger """ logger = logging.getLogger(name) logger.setLevel(logging.INFO) # If handlers already exist, don't add more if logger.handlers: return logger # Create formatter formatter = logging.Formatter( '%(asctime)s - %(name)s - %(levelname)s - %(message)s', '%Y-%m-%d %H:%M:%S' ) if log_file: log_handler = logging.FileHandler(log_file) log_handler.setFormatter(formatter) logger.addHandler(log_handler) else: # IMPORTANT: Use stderr, not stdout! # MCP uses stdout for JSON-RPC communication log_handler = logging.StreamHandler(sys.stderr) log_handler.setFormatter(formatter) logger.addHandler(log_handler) return logger