Notes, reviews and field guides on AWS, Azure and agentic AI, written by a working architect for the people who build systems and the people who pay for them.
One well-scoped agent, routed models, cached prompts and hard spending caps. A serverless AWS design for 3,000 conversations a month at about $35.
Multi-agent workflows on AWS and Azure. Strands, Step Functions and A2A versus Microsoft Agent Framework, Durable Task and A2A, and when not to use any of them.
Bedrock AgentCore and Microsoft Foundry Agent Service, layer by layer. How each defines, hosts, remembers, identifies and bills an agent.
Tools and MCP on AWS and Azure. AgentCore Gateway versus Foundry toolboxes and API Management, and where each puts the checks on a tool call.
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