Polybrain MCP Server

export type LogLevel = "debug" | "info" | "warn" | "error"; const LOG_LEVELS: Record<LogLevel, number> = { debug: 0, info: 1, warn: 2, error: 3, }; let currentLogLevel: LogLevel = "info"; export function setLogLevel(level: LogLevel): void { currentLogLevel = level; } function shouldLog(level: LogLevel): boolean { return LOG_LEVELS[level] >= LOG_LEVELS[currentLogLevel]; } function formatTimestamp(): string { return new Date().toISOString(); } function formatMessage( level: LogLevel, message: string, context?: Record<string, unknown> ): string { const timestamp = formatTimestamp(); const contextStr = context ? ` ${JSON.stringify(context)}` : ""; return `[${timestamp}] [${level.toUpperCase()}] ${message}${contextStr}`; } export const logger = { debug(message: string, context?: Record<string, unknown>): void { if (shouldLog("debug")) { console.log(formatMessage("debug", message, context)); } }, info(message: string, context?: Record<string, unknown>): void { if (shouldLog("info")) { console.log(formatMessage("info", message, context)); } }, warn(message: string, context?: Record<string, unknown>): void { if (shouldLog("warn")) { console.warn(formatMessage("warn", message, context)); } }, error(message: string, context?: Record<string, unknown> | Error): void { if (shouldLog("error")) { if (context instanceof Error) { console.error( formatMessage("error", message, { error: context.message, stack: context.stack, }) ); } else { console.error(formatMessage("error", message, context)); } } }, };