AWS AgentCore runtime adds real-time preview with Session endpoints
What happened
On 31 October 2026, the AWS Machine Learning Blog reported that Amazon Bedrock AgentCore runtime has added Session endpoints. The feature gives each agent session an authenticated URL that forwards browser requests to permitted ports within the session, letting coding agents preview web apps in the browser in real time while they edit code. The report says the feature targets coding agents building web apps and is currently at the real-time preview stage.
Written by AI from the reports · updated 3 h ago
Timeline
Follow the reports to see the event from each side.
- AWS Machine Learning BlogPreview web apps live as your coding agent builds them with Amazon Bedrock AgentCore runtime
Amazon Bedrock AgentCore Session endpoints give each runtime session an authenticated URL that forwards any HTTP method, path, and WebSocket connection to the ports you allow. In this post, you deploy a coding agent that keeps a Vite website running in its session, then watch the live site update in your browser as the agent edits files.
Heat of this event
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