A Telegram bot powered by Claude gives you a personal AI assistant accessible from your phone. In this tutorial you'll build one from scratch — handling messages, keeping conversation history, and deploying it. Prerequisites Python 3.10+ Anthropic API key Telegram account Step 1: Create a Telegram Bot Open Telegram, search for @botfather Send /newbot and follow the prompts Copy the bot token (looks like 7123456789:AAF... ) Step 2: Install Dependencies pip install python-telegram-bot anthropic Enter fullscreen mode Exit fullscreen mode Step 3: Basic Echo Bot from telegram import Update from telegram.ext import Application , MessageHandler , filters , ContextTypes BOT_TOKEN = " YOUR_TELEGRAM_BOT_TOKEN " async def handle_message ( update : Update , context : ContextTypes . DEFAULT_TYPE ): text = update . message . text await update . message . reply_text ( f " You said: { text } " ) app = Application . builder (). token ( BOT_TOKEN ). build () app . add_handler ( MessageHandler ( filters .…