AWS Agents in Practice: Deploy, Authorize, Guard, Observe, Pay

The day-two module. How an agent actually gets onto AgentCore Runtime and when plain Lambda or ECS is still the right answer; IAM roles versus AgentCore Identity and how an agent acts on behalf of a user; where guardrail checks attach so the model cannot argue with them; how traces reach CloudWatch; and which consumption dimensions dominate an agent bill on AWS.

Content current as of 2026-09.

Lessons

1. Getting an agent onto the platform — and when not to
2. Identity and access: three different questions, three different mechanisms
3. Where a guardrail attaches
4. Wiring observability: what a trace looks like on AWS
5. What it costs, and the gotchas that cost you