Building a secure auth code flow setup using AgentCore Gateway with MCP clients
AWS quietly shipped OAuth integration for AI agents. Here's why your auth stack just got simpler.

Why it matters
AWS Bedrock AgentCore Gateway now supports OAuth Code flow for MCP servers, enabling production-grade identity authentication for AI assistant requests. This is infrastructure-as-a-feature that removes a critical deployment blocker for enterprise AI teams building multi-user systems.
The key facts
10 to knowAWS Bedrock AgentCore Gateway ships OAuth Code flow support
MCP (Model Context Protocol) servers can now authenticate inbound requests with identity provider tokens
Production-ready setup for AI assistants with per-user authentication
Integration with organization identity providers (not just AWS IAM)
Amazon Bedrock is the deployment platform
AWS Bedrock AgentCore Gateway adds OAuth Code flow support
MCP (Model Context Protocol) server authentication now available
Production-ready setup with identity provider integration
Enables user identity token validation on AI assistant requests
Amazon Bedrock platform expansion for enterprise AI deployment
Go to the source
AWS Machine Learning Blogaws.amazon.com
Publisher excerpt: This post demonstrates how to implement Open Authorization (OAuth) Code flow as an inbound authorization mechanism for MCP servers hosted on Amazon Bedrock AgentCore Gateway. By the end of this guide, you will have a production-ready setup where each AI assistant request is authenticated with a…
