antigravity-claude-proxy

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: Google has been issuing ToS violation bans on accounts connected to this proxy. Use at your own risk.

⚠️ Terms of Service Warning — Read Before Installing

Using this proxy may violate Google's Terms of Service. A small number of users have reported their Google accounts being banned or shadow-banned (restricted access without explicit notification).
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: Do not use your main account. Use a burner account instead, and optionally add it to your main account's family plan if needed.

How It Works

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

Prerequisites

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

Installation

Option 1: npm (Recommended)

Option 2: Clone Repository

Quick Start

1. Start the Proxy Server

The server launches as a background process on http://localhost:8080 by default and survives terminal closure.

2. Link Account(s)

Choose one of the following methods to authorize the proxy:

Method A: Web Dashboard (Recommended)

1. With the proxy running, open http://localhost:8080 in your…