Antigravity 2026 — Key Features and Use Cases of the AI Coding Editor

Antigravity Explained — The AI Coding Editor Worth Your Attention in 2026

Antigravity is a next-generation AI coding editor developed by Codeium. Following Google's acquisition in 2025, it underwent a rebrand in 2026, evolving significantly from its predecessor Windsurf. It now features powerful agent capabilities and integrated environments.

Antigravity's hallmark is agent-driven development flow. Rather than merely a code completion tool, AI autonomously edits files, and multiple agents coordinate to advance projects.

Windsurf to Antigravity Evolution

• 2024: Windsurf launches. Inline commands (Cmd+K) gain recognition as innovative feature
• 2025: Google acquires Codeium
• 2026: Rebrands to Antigravity. Multi-agent and MCP integration become core

Antigravity Pricing Plans — Free, Pro, Enterprise

Antigravity offers three pricing tiers.

Free Plan

• Cost: Free
• Cmd+K inline commands (100 uses/month limit)
• Basic chat functionality
• Code completion (limited)
• Local AGENTS.md support
• For personal development and learning

Pro Plan

• Cost: $20/month or $200/year
• Unlimited Cmd+K
• Unlimited chat
• Agent features (multi-agent support)
• MCP integration (up to 10 connections)
• Cloud sync
• For professionals

Enterprise Plan

• Cost: Custom pricing
• All features unlimited
• Team collaboration
• Dedicated support
• SAML/SSO support
• On-premises option
• For large teams and enterprises

Editor Basics — Cmd+K Inline Commands, Chat, Code Completion

Antigravity's editor is built on VS Code and offers an intuitive UI.

Cmd+K Inline Commands

Pressing Cmd+K (Windows: Ctrl+K) lets you give AI instructions while referencing surrounding code context.

Basic Usage

1. Select code or position cursor
2. Press Cmd+K
3. Type instruction in natural language
4. Press Enter to execute

Common Instructions

"Type this function in TypeScript"
"Write Jest tests for this code"
"Rewrite this component using React Hooks"
"Improve error handling here"

Chat Feature

Open the chat icon in the left sidebar to converse while referencing entire files and projects. The AI understands relationships between files before offering suggestions.

Code Completion

Inline code completion suggestions appear automatically. Press Tab to accept, Esc to dismiss.

AI Agent Features — Agent Manager and Multi-Agent

Antigravity's defining feature is agent capabilities. Unlike Cmd+K, agents understand entire projects and automatically edit multiple files.

Agent Manager Basics

From the left sidebar "Agent" tab:

• Create New Agent: Customize for specific tasks
• Switch Agents: Toggle between multiple agents
• Assign Tasks: Give instructions in natural language
• Execute/Stop: Control agent behavior

Multi-Agent Coordination

Multiple agents run simultaneously and coordinate with each other. For example:

• Frontend Agent: Implement UI components
• Backend Agent: Implement API logic
• Test Agent: Generate tests automatically
• Deploy Agent: Automate build and deployment

Each agent operates independently per AGENTS.md roles while coordinating as needed.

Designing Project Context with AGENTS.md

AGENTS.md is your project's agent definition file. Recording project information here helps AI understand context precisely and deliver higher-quality suggestions.

Basic AGENTS.md Structure

# Project Context
 
## Overview
Project name, purpose, primary tech stack
 
## Architecture
Folder structure and file organization explanation
 
## Tech Stack
Languages, frameworks, libraries in use
 
## Agents
Role definitions for each agent
 
### Agent: Frontend Developer
- Responsibility: React / Next.js component development
- Prohibited: Backend logic changes
- Tools: MCP Figma Dev Mode
 
### Agent: Backend Engineer
- Responsibility: Node.js / Express API implementation
- Prohibited: Frontend UI changes
- Connection: Supabase, PostgreSQL
 
## Knowledge Items
Design documents, API specs, style guides

Real Example: Next.js + Supabase Project

# Antigravity SaaS Platform
 
## Overview
SaaS platform. User authentication, subscription management, analytics dashboard
 
## Architecture

/app # Next.js application /auth # Auth-related /dashboard # Dashboard UI /api # API routes /lib # Utilities /components # React components /public # Static files

## Tech Stack
- Frontend: Next.js 15, React 19, TailwindCSS
- Backend: Node.js, Express (API Routes)
- Database: PostgreSQL (Supabase)
- Auth: Supabase Auth (JWT)
- Payments: Stripe

## Agents

### Agent: Frontend Developer
- Responsibility: React components and pages
- Tools: Figma Dev Mode (MCP)
- Prohibited: Backend API implementation

### Agent: Backend Engineer
- Responsibility: API Routes and database logic
- Connection: Supabase Admin
- Prohibited: UI component changes

### Agent: QA Automation
- Responsibility: E2E tests and pre-deployment validation
- Tools: Playwright, Browser Sub-Agent

MCP Integration — External Tool Integration

MCP (Model Context Protocol) is the standard protocol for AI to work with external tools and services. Antigravity supports multiple MCPs—agents can leverage them automatically.

Major MCP Servers

Figma Dev Mode

• Design → Code automation
• UI component extraction

Google Stitch

• Google Workspace integration
• Spreadsheet and document processing

Supabase

• Execute database queries
• Real-time API

Stripe

• Payment processing API
• Subscription management

GitHub

• Source code management
• Issue tracking

MCP Registration

From Antigravity settings (Command Palette → Settings):

Add MCP → Enter server name → Configure auth (API Key, etc.) → Test connection

When agents declare required MCPs in AGENTS.md, they become automatically available.

Antigravity vs Cursor vs Claude Code — 2026 Comparison

Selection Criteria

• Personal/Learning: Antigravity Free
• Production SaaS: Antigravity Pro + MCP integration
• Large Teams: Antigravity Enterprise or Claude Code Workspace

Tips for Mastering Antigravity

Tip 1: AGENTS.md is Your "Specification"

Write it in detail at project outset. It becomes the "constitution" agents reference.

Tip 2: Explicitly Mark "Prohibited Actions"

When each agent knows "what not to do," unnecessary edits are prevented.

### Agent: Frontend
- Prohibited: Editing files under src/api/
- Prohibited: Changing environment variables

Tip 3: Manage MCP Permissions Strictly

Only expose Stripe API Keys and Supabase Admin Tokens to necessary agents.

Tip 4: Automate E2E Tests

Browser Sub-Agent auto-generates and runs Playwright tests. Acts as safety net pre-deployment.

Tip 5: Update AGENTS.md Regularly

Reflect architecture changes in AGENTS.md as your project grows.

Looking back — What You'll Learn at Antigravity Lab

The Antigravity fundamentals presented here are just the beginning. Antigravity Lab dives deeper into:

• Next Steps: Practical Techniques Part 1 covers Cmd+K usage, AGENTS.md examples, Figma integration
• Advanced Techniques: Part 2 (Premium) covers multi-agent orchestration, production app development, SaaS monetization

Experience AI-driven development flow with Antigravity.