> ## Documentation Index
> Fetch the complete documentation index at: https://mintlify.com/badrisnarayanan/antigravity-claude-proxy/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> A proxy server that exposes an Anthropic-compatible API backed by Antigravity's Cloud Code, letting you use Claude and Gemini models with Claude Code CLI.

# Antigravity Claude Proxy

A proxy server that exposes an **Anthropic-compatible API** backed by **Antigravity's Cloud Code**, letting you use Claude and Gemini models with **Claude Code CLI** and **OpenClaw / ClawdBot**.

<Warning>
  **Terms of service warning**

  Google has been issuing ToS violation bans on accounts connected to this proxy. Using this proxy may violate Google's Terms of Service.

  **High-risk scenarios:**

  * Fresh Google accounts have a very high chance of getting banned
  * New accounts with Pro/Ultra subscriptions are frequently flagged and banned

  **By using this proxy, you acknowledge:**

  * This is an unofficial tool not endorsed by Google
  * Your account may be suspended or permanently banned
  * You assume all risks associated with using this proxy

  **Recommendation:** Use an established Google account that you don't rely on for critical services. Avoid creating new accounts specifically for this proxy.
</Warning>

## How it works

```
┌──────────────────┐     ┌─────────────────────┐     ┌────────────────────────────┐
│   Claude Code    │────▶│  This Proxy Server  │────▶│  Antigravity Cloud Code    │
│   (Anthropic     │     │  (Anthropic → Google│     │  (daily-cloudcode-pa.      │
│    API format)   │     │   Generative AI)    │     │   sandbox.googleapis.com)  │
└──────────────────┘     └─────────────────────┘     └────────────────────────────┘
```

1. Receives requests in **Anthropic Messages API format**
2. Uses OAuth tokens from added Google accounts (or Antigravity's local database)
3. Transforms to **Google Generative AI format** with Cloud Code wrapping
4. Sends to Antigravity's Cloud Code API
5. Converts responses back to **Anthropic format** with full thinking/streaming support

## Key features

<CardGroup cols={2}>
  <Card title="Multi-model support" icon="layer-group">
    Access Claude models (Sonnet, Opus with thinking) and Gemini models (Flash, Pro) through a single API.
  </Card>

  <Card title="Intelligent load balancing" icon="scale-balanced">
    Three strategies for account selection: sticky (cache-optimized), round-robin (load-balanced), and hybrid (smart distribution).
  </Card>

  <Card title="Web management console" icon="display">
    Real-time dashboard with Chart.js visualization, account management, quota monitoring, and live log streaming.
  </Card>

  <Card title="Prompt caching support" icon="database">
    Organization-scoped caching maintains continuity across conversation turns with automatic session ID derivation.
  </Card>

  <Card title="Model fallback" icon="arrows-rotate">
    Automatically switches to alternate models when quota is exhausted, with configurable fallback mappings.
  </Card>

  <Card title="Background process management" icon="server">
    Launch as a detached background service that survives terminal closure, with simple CLI controls.
  </Card>
</CardGroup>

## Get started

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/quickstart">
    Get up and running in under 5 minutes with step-by-step instructions.
  </Card>

  <Card title="Installation" icon="download" href="/installation">
    Multiple installation methods including npm, npx, and git clone.
  </Card>
</CardGroup>

## Prerequisites

* **Node.js** 18 or later
* **Antigravity** installed (for single-account mode) OR Google account(s) for multi-account mode