Antigravity IDEvsAntigravity CLI

Google's AI-first integrated development environment built on VS Code with tri-modal autocomplete, inline code lenses, and autonomous agent pairing.

Antigravity IDE is Google's flagship AI-first integrated development environment designed to rethink software engineering around frontier machine intelligence. Built upon a hardened VS Code architecture, the platform preserves full compatibility with standard developer extensions, keybindings, and themes while introducing deep native integration for autonomous agentic workflows.

The headless terminal-first autonomous coding agent and interactive TUI for fast keyboard-driven engineering and subagent orchestration.

Antigravity CLI (agy) is Google's terminal-native autonomous coding agent built for developers who thrive in keyboard-driven, shell-centric workflows. Designed to run seamlessly in local terminals, tmux sessions, and remote SSH environments, the CLI strips away graphical overhead to deliver lightning-fast agent interaction and deep Unix pipeline integration.

• Tri-Modal AI Interaction Architecture: Unifies passive tab completion, instructive inline refactoring, and collaborative agent execution. Developers can move from rapid single-line syntax suggestions to comprehensive feature planning with a single keystroke. The system automatically selects the ideal interaction surface based on developer intent and context.
• Antigravity Tab & Supercomplete: Predicts developer intent, anticipates navigation jumps, and suggests multi-line diffs across open editor buffers. It automatically detects new dependencies and injects required import statements at the top of the file. The predictive model operates with near-zero latency to keep developers firmly in flow state.
• Visual Diff Overlays & Diagnostic Auto-Fixing: Renders inline red and green side-by-side diff markers directly inside the code canvas for instant change auditing. The engine hooks into compiler warnings and linter errors to automatically generate and apply verified repairs in real time. Developers maintain total oversight before committing modifications.
• Deep Workspace Scoped Customization: Natively discovers project rules, custom skills, and plugins from the local project repository. It dynamically loads Model Context Protocol (MCP) servers to interact directly with databases, documentation systems, and cloud APIs. Team members share uniform agent capabilities simply by version-controlling workspace configurations.

• Concurrent Subagent Delegation: Spawns specialized background agents to tackle complex programming tasks in parallel. Subagents operate in isolated branched workspaces to run unit tests, audit code security, or perform deep documentation lookups. The primary agent receives structured updates reactively without locking the terminal session.
• Terminal Sandboxing & Granular Permissions: Delivers fine-grained execution policies ranging from strict user review to autonomous sandbox execution. Developers can configure precise command allowlists, file access boundaries, and network permissions. The safety boundary prevents accidental regressions or destructive shell commands during automated cycles.
• First-Class AGY Customization Ecosystem: Loads custom skills, operational rules, lifecycle hooks, and sidecar processes directly from the user or project directory. It natively speaks the Model Context Protocol (MCP) to interface with external developer tools and APIs. Workflows can be automated using declarative slash commands like /plan, /goal, and /schedule.
• Reactive Messaging & Task Scheduling: Built on an asynchronous event architecture that eliminates CPU-wasting polling loops. The CLI includes a native cron scheduler and one-shot timers to execute recurring background tasks and alerts. It functions both as an interactive pair programmer and a 24/7 background development daemon.

• Tri-modal AI interaction flawlessly balances autocomplete, inline edits, and autonomous agents
• Full drop-in compatibility with the entire VS Code extension and theme marketplace
• Superb visual diff overlays and one-click diagnostic auto-fixes

• Blazing-fast terminal execution ideal for remote SSH, tmux, and Vim/Neovim power users
• Native subagent spawning with branched workspaces enables true parallel multitasking
• Comprehensive customization via AGY skills, rules, hooks, and Model Context Protocol (MCP)

• Requires graphical desktop environment; not built for pure headless terminal sessions

• Requires familiarity with shell environments and command-line workflows