Oura MCP Server

/** * Simple logger utility that respects LOG_LEVEL environment variable * Levels: error, warn, info, debug */ type LogLevel = 'error' | 'warn' | 'info' | 'debug'; const LOG_LEVELS: Record<LogLevel, number> = { error: 0, warn: 1, info: 2, debug: 3, }; class Logger { private level: LogLevel; constructor() { const envLevel = (process.env.LOG_LEVEL || 'info').toLowerCase() as LogLevel; this.level = LOG_LEVELS[envLevel] !== undefined ? envLevel : 'info'; } private shouldLog(level: LogLevel): boolean { return LOG_LEVELS[level] <= LOG_LEVELS[this.level]; } error(message: string, ...args: any[]): void { if (this.shouldLog('error')) { console.error(`[ERROR] ${message}`, ...args); } } warn(message: string, ...args: any[]): void { if (this.shouldLog('warn')) { console.warn(`[WARN] ${message}`, ...args); } } info(message: string, ...args: any[]): void { if (this.shouldLog('info')) { console.log(`[INFO] ${message}`, ...args); } } debug(message: string, ...args: any[]): void { if (this.shouldLog('debug')) { console.log(`[DEBUG] ${message}`, ...this.sanitizeArgs(args)); } } /** * Sanitize arguments to prevent logging sensitive data */ private sanitizeArgs(args: any[]): any[] { // In production, don't log potentially sensitive arguments if (process.env.NODE_ENV === 'production') { return args.map(arg => { if (typeof arg === 'object' && arg !== null) { return '[Object - redacted in production]'; } if (typeof arg === 'string' && arg.length > 100) { return arg.substring(0, 100) + '... [truncated]'; } return arg; }); } return args; } } export const logger = new Logger();