ATC-012 AWS, guide
My contact form was spammed within days. Here's the free fix.
How bots found a brand-new site almost immediately, why the usual spam traps didn't stop them, and the four checks that did, at no extra cost.
AWS, guide
Articles
The full register, newest first. Each article has a sheet number, the way drawings in a set do.
Browse by topic
ATC-011 Agentic AI, guide
Same agent, two clouds: a field guide to guardrails
What Bedrock Guardrails and Azure's Foundry guardrails actually catch, where each one checks, what they miss, and what they cost.
Agentic AI, guide
ATC-010 AI for business, guide
MCP explained for business leaders
What MCP is, why every vendor suddenly has an MCP server, where the business value is, and what to ask before you connect one to company data.
AI for business, guide
ATC-009 Cost-aware design, guide
The cost anatomy of an LLM feature
One "ask the docs" box, priced line by line on AWS and Azure. Where the money really goes, and how the same feature drops from $1,200 to $56 a month.
Cost-aware design, guide
ATC-006 Agentic AI, guide
Giving a coding agent production database access: the boundary is the grant, not the code
A read-only MCP server for a production MySQL database on RDS. Why the database grant is the real boundary, what else to layer on, and the Azure SQL version.
Agentic AI, guide
ATC-007 AWS, guide
A QR-code redirector with click analytics, for pennies a month
Fast redirects with analytics that never slow the user down. The serverless AWS design, an even cheaper edge version, and the Azure equivalent.
AWS, guide
ATC-008 AWS, guide
A static website on AWS for about fifty cents a month
S3, CloudFront, Route 53 and ACM, defined in one small CDK stack. The setup, the gotchas, what it really costs, and the cheapest way to do the same on Azure.
AWS, guide
ATC-005 AWS, guide
Google Drive as the back office: a private photo gallery on AWS for about a dollar a month
Keep Google Drive as the source of truth without putting it in the request path. Read-only sync, content-versioned S3 keys and CloudFront signed cookies.
AWS, guide
ATC-001 Agentic AI, guide
Agentic AI on a budget: a reference architecture for a small business
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.
Agentic AI, guide
ATC-004 Azure, guide
Same agent, two clouds: when one agent isn't enough
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.
Azure, guide
ATC-002 Azure, guide
Same agent, two clouds: where the agent runs on AWS and Azure
Bedrock AgentCore and Microsoft Foundry Agent Service, layer by layer. How each defines, hosts, remembers, identifies and bills an agent.
Azure, guide
ATC-003 Azure, guide
Same agent, two clouds: connecting the agent to your systems
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.
Azure, guide
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