Implement custom authentication for tools integration using request Lambda interceptor in AgentCore Gateway
Brief
When deploying AI agents with Amazon Bedrock AgentCore , organizations benefit from built-in modern support for OAuth 2. 0, AWS Identity and Access Management (IAM) , and API key authentication through Amazon Bedrock AgentCore Gateway . However, some enterprise environments still use legacy authentication mechanisms such as HTTP Basic Authentication (Basic Auth) ( RFC 7617) .
The extensible architecture of AgentCore Gateway enables support for these authentication mechanisms through a request Lambda interceptor —custom code that runs each time an agent calls a tool.
In this post, we show you how to use a request Lambda interceptor to authenticate to a downstream tool API using system credentials, retrieving a service account credential from AWS Secrets Manager and constructing a Basic Auth header.