Google Antigravity is now AG-UI Compatible

CopilotKit announced that Google Antigravity, Google’s Gemini-focused agent SDK and execution harness, is now compatible with the AG-UI Agent-User Interaction Protocol through the ag-ui-antigravity integration. The integration allows Antigravity agents to stream text, reasoning, tool activity, sub-agent work, file edits, and shell commands to user-facing applications such as web apps, Slack, and Teams, while supporting user messages and approval workflows in return. It works with CopilotKit features including tool rendering, shared frontend state, generative UI with A2UI, attachments, voice and headless interfaces, persistent threads, and learning from user actions and agent traces. Developers can set up an agent through a Python FastAPI server, restrict file access to designated workspaces, connect it to a CopilotKit runtime through an HTTP agent, and present it through components such as CopilotChat. The announcement also points to live demonstrations in CopilotKit Dojo and AG-UI Dojo, OpenBot’s use of Antigravity for AI coworkers, and related examples such as a CI-repairing agent tutorial and an open-source Repo Doctor application.

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