How to use /goal to add last updated at feature to an Eleventy blog in Antigravity IDE with a single prompt

Google Antigravity 2.0 has some very interesting features. One of them is the /goal command, which runs until the specified task is complete, without asking the user for intermediate input. The point here is to achieve the goal by iteratively and autonomously checking the output until it is accomplished. In this post, you will learn how to use /goal to build a last updated at feature on this blog and also test it on the browser with only one prompt. Let's get going! Table of contents # What is Google Antigravity? Prerequisites Clone the blog Open the blog in Antigravity 2.0 IDE Prompt with /goal to write and test the last updated at feature Conclusion What is Google Antigravity? # Google Antigravity is an AI-powered development tool that helps you build and test applications faster. It uses Gemini 3.5, which is a large language model developed by Google. You can use it to generate code, test applications, and even deploy them to the cloud. It has Antigravity (Agentic interface without…