AgentStack is a command-line tool for rapidly creating AI agent projects. It is built on Python 3.10+ and supports various popular agent frameworks such as CrewAI, Autogen, and LiteLLM. It integrates multiple tools to streamline the development process. The design philosophy of AgentStack is to simplify the journey of building AI agents from scratch, allowing for quick startup and operation of agent projects without complex configurations. It also offers an interactive test runner, a live development server, and build scripts for production environments. AgentStack is open-source and follows the MIT license, making it suitable for developers eager to dive into AI agent development quickly.