opencode-antigravity-auth

opencode-antigravity-auth v1.6.0 is an OAuth authentication plugin for the OpenCode IDE, providing access to Google Antigravity services including Gemini 3 Pro and Claude 4.6 models. It handles credential management, token refresh, and request signing. Released in 2025, it follows a monthly release cadence with beta releases for testing. Key differentiators are its deep integration with OpenCode's plugin system and support for the latest Google Antigravity API features. Requires Node >=20 and TypeScript ^5 as a peer dependency. Ships bundled TypeScript definitions.