Why I Built agent-cost-tracker: Stop Your AI Agent from Secretly Bankrupting You

You’ve done it. After days of prompt engineering, wrestling with LangChain, and debugging esoteric errors, your AI agent finally works. It autonomously researches topics, uses tools, and completes the complex task you assigned--it feels like magic. Then you open your OpenAI billing dashboard and the magic vanishes, replaced by a cold, hard, three-digit number that’s growing way too fast. I’ve been there. The very nature of agentic workflows--with their unpredictable loops and chains of thought--turns cost forecasting into a complete guessing game.