NEW official docs: Register and manage ADK and A2A agents in Gemini Enterprise

Google Cloud Build with AI Agents
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1

Hey all!

Just wanted to let you know that we finally have the official documentation for integrating Vertex AI Agent Engine and Gemini Enterprise!

It includes information on:

  • How to register ADK agents hosted on Vertex AI and make them discoverable by Gemini.
  • Support for the A2A (Agent-to-Agent) protocol for agents from different platforms to securely discover and interact.
  • How agents can use OAuth 2.0 credentials to access Google Cloud resources (like BigQuery) on behalf of users.
  • Full lifecycle management (register, list, update, delete) through both the Google Cloud Console and REST API.
  • Guidelines for defining capabilities and skills for A2A agents using JSON Agent Cards.

Check out the new guides here:

Please don’t hesitate to reach out if you have feedback or more questions!

Happy building!

2

Hi @ilnardo92 , article looks is great at getting the authorisation setup, but is there instructions around how it can be used in the ADK? How can I get my agent to access these credentials?

3

Hi,

Does Gemini Enterprise supports A2A agents deployed on Cloud Run with IAP?

Does Gemini Enterprise supports A2A agents deployed on Cloud Run with a load balancer with IAP?

best,

4

Seems like A2A with A2UI is broken in Gemini Enterprise for the past 1 week or so.

I get the response of the very 1st message from the Agent to the UI but then from the second response onwards the UI does not display any message, even tho I can see no error logs and the message is being returned back to the UI by the A2A stream.

Anyone else having this same issue?