---
title: "Google did it again! First, they launched ADK, a fully open-source framework to build,..."
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Google did it again!

First, they launched ADK, a fully open-source framework to build, orchestrate, evaluate, and deploy production-grade Agentic systems.

And now, they have made it even powerful!

Google ADK is now fully compatible with all three major AI protocols out there:

- MCP: To connect to external tools
- A2A: To connect to other agents
- AG-UI: To connect to users.

AG-UI is the newest addition, which is an open-source protocol that enables agents to collaborate with users.

They worked with the AG-UI team to build this.

It takes just two steps:
- Define the agent with ADK, with its tools, state, etc.
- Connect it to any React frontend using CopilotKit.

The AG-UI protocol gives you a bridge between a backend AI agent and a full-stack app.

And CopilotKit provides the building blocks you need to bring your agents into frontend applications.

Find the repo in the replies!

[Screen Recording 2025-10-08 at 11.20.17 AM (online-video-cutter.com).mp4](https://d3e0luujhwn38u.cloudfront.net/original/img/original/186727/ba7278e1-d5e1-4954-a502-b67af3c4c424.mp4)

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GitHub repo: https://github.com/ag-ui-protocol/ag-ui 

(don't forget to star it ⭐ )

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Every day, I share tutorials and insights on DS, ML, LLMs, and RAGs.