Since AWS Blocks entered public preview in June 2026, I have been making small contributions to the open-source project.

AWS Blocks on GitHub

In my previous post on AWS Blocks, Amplify, and App Studio, I looked at how these tools differ and what each is trying to achieve. While revisiting the Agent Block, one detail caught my attention:

The AWS Blocks Agent is not currently running on Amazon Bedrock AgentCore.

At a glance, it is easy to assume the relationship looks like this: