Pin Xiong

Starting from the smallest agent that runs and ending in the source where the loop turns out to be a recursion.

Unit tests and eval sets don't catch the failures that end up in front of a regulator. Here's a 30-scenario red-team harness you can run against your live bot tonight.

A contract-review orchestrator fans out to two A2A specialists, a billing MCP server runs on pinned EC2 instance types, and the Agent...

AgentCore quality loop, measured: spans expose a planted defect, four evaluation modes score it, insights cluster it, a recommendation...

Most research-assistant demos end the same way: the model narrates what it would compute, and nothing...

AgentCore Policy, measured: a CNY 3000 refund logged DENY three times and executed anyway in LOG_ONLY, blocked at the gateway in 47 ms...

An agent that can reach a real system usually carries that system's key, and the key outlives every...

AgentCore Memory, measured: a preference recalled four minutes later in a new session, three managers kept apart by actor id, and a...

Bedrock AgentCore tutorial: deploy a support agent with agentcore deploy, invoke it, read the execute_tool span in the trace, tear it...

Originally published on xiongpin.dev. AWS Bedrock AgentCore replaces Dockerfiles, instance sizing...

A four-layer model for learning any new technology, and how AI coding changes where to spend your time.

A zero-docs production microservice, rebuilt in 13 steps with spec-driven AI coding: 10x coding time, 90% first-pass, zero incidents.

Elastic Container Service(ECS) is a highly scalable and fast container management service that makes...

ESK(Amazon Elastic Kubernetes Service) is a fully managed Kubernetes cluster by aws. Now, we want to...

It's one of the most important things that everyone need to build VPC after applied a new aws...