Relace MCP Server

import os import warnings _TRUTHY = {"1", "true", "yes", "y", "on"} _FALSY = {"0", "false", "no", "n", "off"} def env_bool(name: str, *, default: bool) -> bool: """Parse environment variable as boolean with fallback to default. Recognizes truthy values: 1, true, yes, y, on Recognizes falsy values: 0, false, no, n, off """ raw = os.getenv(name) if raw is None or raw == "": return default value = raw.strip().lower() if value in _TRUTHY: return True if value in _FALSY: return False warnings.warn( f"Invalid boolean env var {name}={raw!r}; defaulting to {default}", stacklevel=2, ) return default