Authenticate with Private Key JWT using Amazon Bedrock AgentCore Identity
Bedrock AgentCore now supports Private Key JWT authentication — a security hardening step for agents accessing enterprise identity systems.

Why it matters
This is agent infrastructure maturation: authentication patterns that let agents safely integrate with enterprise IAM. For practitioners deploying agents to production, this is a credential management best practice worth adopting.
The key facts
10 to knowAmazon Bedrock AgentCore Identity adds Private Key JWT client authentication
Supports multiple grant flows for agent authentication
AWS KMS signing key integration for agent credentials
CloudTrail logging for agent access events
Focused on enterprise IAM integration for deployed agents
Amazon Bedrock AgentCore Identity supports Private Key JWT client authentication
Integration with AWS KMS for signing key management
Public key registration with identity providers
AWS CloudTrail audit logging for agent access
Grant flows supported for agent authentication flows
Go to the source
AWS Machine Learning Blogaws.amazon.com
Publisher excerpt: This post explains how Private Key JWT client authentication works in AgentCore Identity and reviews the supported grant flows. We then walk through creating an AWS KMS signing key, registering its public key with your identity provider, configuring a credential provider on the AWS Management…