Inside Google’s $170 B Bet on Agents: How Antigravity Workflow Works

What Is Antigravity Workflow?

Antigravity (AG) refers to Google’s Agentic IDE, an environment for building AI‑driven agents. In AG, a Workflow is not a visual data‑flow diagram but a reusable automation sequence implemented via custom slash commands, essentially a high‑level macro that bundles complex, AI‑assisted code analysis, generation, and verification steps into a single /command.

How to Create Your First Workflow

1. Storage Location

All workflow files must reside in the project root under .agent/workflows/.

2. File Naming Convention

Workflow files are plain Markdown ( .md) files. The filename becomes the command name used in the IDE chat box. For example, a file named review.md can be triggered by typing /review.

3. File Format

A standard workflow file consists of a YAML front‑matter section followed by the Markdown body that defines the steps:

---
description: "This is a sample workflow that automatically checks code style and generates unit tests"
---

# Goal
Analyze the currently selected code and ensure it follows Google style guidelines, then generate corresponding unit tests for each function.

# Steps
1. **Analyze Code**: Read exported functions from the active file.
2. **Style Check**: Verify variable names use camelCase and that required docstrings are present.
3. **Generate Tests**: Use the Vitest framework to create a `.test.ts` file in the same directory.
4. **Validate**: Run the generated tests and attempt automatic fixes on failures.

# Constraints
- Do not modify the original code; only suggest changes.
- Test code must handle edge cases such as `null` or `undefined`.

Core Difference Between Workflow and Skill

AG recognizes three customization types:

Rules ( .agent/rules/ ) : Global constraints (e.g., the project must use TypeScript). These act as a "tight‑binding spell" that the AI obeys at all times.

Skills ( .agent/skills/ ) : Passive extensions. The AI loads a Skill only when it deems it necessary, such as a Skill for publishing to WeChat that activates only when the user mentions "publish article".

Workflows ( .agent/workflows/ ) : Actively triggered SOPs. When the user types a slash command (e.g., /command), the AI executes a deterministic, step‑by‑step procedure defined by the workflow.

In short, a Skill is a "passive tool/knowledge provider" that the AI decides whether to use, while a Workflow is an "active process" that runs exactly as defined once invoked.

Getting Started Recommendation

Begin by creating a simple /readme workflow that asks the AI to generate a README from existing code. This quick experiment helps you become familiar with the workflow structure and immediately delivers value in everyday development.

The Agent workflow infrastructure is still in its early stages; mastering Antigravity Workflow could be the first step toward participating in Google’s $170 billion AI infrastructure race.