MCP Time Server Node

/** * Debug Utilities for MCP Server * * Simple, direct instantiation approach. * Test capture doesn't work with Jest anyway due to module loading order, * so we don't need the complexity of lazy loading. */ import createDebugger from 'debug'; export interface DecisionContext { [key: string]: unknown; } class Debug { // Direct instantiation - simple and works perfectly in production readonly business = createDebugger('mcp:business'); readonly timezone = createDebugger('mcp:timezone'); readonly parse = createDebugger('mcp:parse'); readonly error = createDebugger('mcp:error'); readonly trace = createDebugger('mcp:trace'); readonly cache = createDebugger('mcp:cache'); readonly holidays = createDebugger('mcp:holidays'); readonly timing = createDebugger('mcp:timing'); readonly recurrence = createDebugger('mcp:recurrence'); readonly validation = createDebugger('mcp:validation'); // Server/system namespaces readonly server = createDebugger('mcp:server'); readonly init = createDebugger('mcp:init'); readonly utils = createDebugger('mcp:utils'); readonly protocol = createDebugger('mcp:protocol'); readonly rateLimit = createDebugger('mcp:rate-limit'); // Future namespaces (not yet used) readonly parsing = createDebugger('mcp:parsing'); readonly calculation = createDebugger('mcp:calculation'); readonly format = createDebugger('mcp:format'); readonly natural = createDebugger('mcp:natural'); readonly integration = createDebugger('mcp:integration'); readonly decision = createDebugger('mcp:decision'); } // Export singleton instance export const debug = new Debug(); /** * Log environment configuration at startup * Call this from your server initialization */ export function logEnvironment(): void { if (debug.init.enabled) { debug.init('=== MCP Server Environment ==='); debug.init('NODE_ENV: %s', process.env.NODE_ENV ?? 'development'); debug.init('RATE_LIMIT: %s', process.env.RATE_LIMIT ?? '100 (default)'); debug.init('RATE_LIMIT_WINDOW: %s', process.env.RATE_LIMIT_WINDOW ?? '60000 (default)'); debug.init('DEBUG: %s', process.env.DEBUG ?? '(not set)'); debug.init('=============================='); } } /** * Helper to log objects with a specific namespace * Useful for structured logging of complex data */ export function debugJson(namespace: keyof Debug, label: string, obj: unknown): void { // eslint-disable-next-line security/detect-object-injection const logger = debug[namespace]; if (logger.enabled) { logger('%s: %O', label, obj); } }