ClickUp MCP Server

/** * Developed by eBrook Group. * Copyright © 2026 eBrook Group (https://www.ebrook.com.tw) */ /** * Simple rate limiter to prevent API abuse */ export class RateLimiter { private requests: Map<string, number[]> = new Map(); private readonly maxRequests: number; private readonly timeWindow: number; /** * Create a rate limiter * @param maxRequests - Maximum number of requests allowed in time window * @param timeWindow - Time window in milliseconds (default: 60000 = 1 minute) */ constructor(maxRequests: number = 100, timeWindow: number = 60000) { this.maxRequests = maxRequests; this.timeWindow = timeWindow; } /** * Check if request is within rate limit * @param identifier - Unique identifier for the rate limit (e.g., user ID, IP) * @returns void * @throws Error if rate limit exceeded */ async checkLimit(identifier: string = 'global'): Promise<void> { const now = Date.now(); const requests = this.requests.get(identifier) ?? []; // Clean up expired request records const validRequests = requests.filter(time => now - time < this.timeWindow); // Check if limit exceeded if (validRequests.length >= this.maxRequests) { const oldestRequest = Math.min(...validRequests); const waitTime = Math.ceil((oldestRequest + this.timeWindow - now) / 1000); throw new Error( `Rate limit exceeded. Maximum ${this.maxRequests} requests per ${this.timeWindow / 1000} seconds. ` + `Please wait ${waitTime} seconds before making more requests.` ); } // Record new request validRequests.push(now); this.requests.set(identifier, validRequests); } /** * Reset rate limit for an identifier * @param identifier - Identifier to reset */ reset(identifier: string = 'global'): void { this.requests.delete(identifier); } /** * Get current request count for an identifier * @param identifier - Identifier to check * @returns Current request count */ getCount(identifier: string = 'global'): number { const now = Date.now(); const requests = this.requests.get(identifier) ?? []; return requests.filter(time => now - time < this.timeWindow).length; } }