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The Antigravity SDK embeds the Antigravity 2.0 runtime into custom agent hubs, adding safety policies, telemetry, and stateful persistence. It supports Gemini 3.1 Pro and 3.8 Flash models. Lifecycle hooks intercept tool calls, while skills load from SKILL.md files and trajectories persist under traj-<conversation_id>.
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Summary by ByteBrief
Gemini agentic video analysis cuts tokens 88%