Antigravity CLI

Antigravity CLI (using the executable command agy) is a terminal-based interface (TUI) for the Antigravity 2.0 agentic coding assistant. It connects directly to your workspace and leverages the Dart and Flutter MCP server to help you build, modify, test, and release Flutter applications from the command line.

The Antigravity CLI replaces the legacy Gemini CLI.

Install the Antigravity CLI on your machine by running the appropriate command for your platform:

curl -fsSL https://antigravity.google/install.sh | bash

irm https://antigravity.google/install.ps1 | iex

winget install Google.AntigravityCLI

After installation, verify that the tool is available on your path by running:

$ agy --version
agy version 2.0.0

If you previously used the Gemini CLI or Gemini CLI extension for Flutter, migrating to the Antigravity CLI is straightforward.

The first time you run agy in your terminal, the tool checks for existing Gemini configuration files (such as ~/.gemini/config/mcp_config.json or legacy environment variables). If found, the tool asks if you would like to automatically migrate your settings, preferences, and API configuration.

If you want to migrate your plugins and history manually, or if you skipped the automated setup, run the import plugin tool command:

agy plugin import gemini

This command parses your local Gemini configuration and copies its configurations over to your active Antigravity profile.

Like the legacy Gemini CLI tool, Antigravity CLI respects custom development guidelines and configurations stored in your workspace directory:

• Local rules: You can place rules files in your project directory (such as .agents/skills/ or AGENTS.md) to instruct the agent on specific coding style guidelines or architectural patterns. Note that Antigravity CLI also supports backward compatibility with the legacy GEMINI.md file; however, we recommend renaming it to AGENTS.md.
• Global configuration: Antigravity CLI stores global settings and configured MCP servers in ~/.antigravity/ (e.g., ~/.antigravity/mcp_config.json).