Hugging Face released Tau, a Python port of Pi’s minimalist coding agent. It runs in a terminal and handles requests like explaining code or fixing errors. It can read files, edit code, run commands and keep session history. It streams its actions in real time. It supports OpenAI, Anthropic, OpenRouter, Hugging Face and local models. It is published on PyPI as tau-ai. It installs a tau command. It is open source under the MIT license.