TutorialJuly 22, 202620 min readAlmira
Building Kookachat: a Telegram Interview-Prep Bot with LangGraph and OpenRouter
I built Kookachat, a Telegram bot that generates interview questions and gives you feedback on how you answer them, using LangGraph to route the conversation and OpenRouter to call the LLM. Here's the architecture, the graphs and the full setup (BotFather, ngrok, webhooks and all).