The Agent Stack

Build agents that work. Skip the hype.

A newsletter for practitioners building with AI agents. Real implementations, actual code, honest assessments of what's working and what isn't. Three editions per week, under 5 minutes each.

What you'll get

Monday Build — Deep dives into building agents, with real code and walkthroughs
Wednesday Stack — Tools, frameworks, and infrastructure tested in production
Friday Signal — What happened this week that changes how you build agents

Every edition includes Quick Hits (3 notable developments) and One Thing to Try (a single actionable step for your week).

Free. Three emails per week. Unsubscribe anytime.

Past Editions

#001 Monday Build

I built a personal AI. Here's the stack.

The actual architecture behind a Personal AI Infrastructure — Claude Code, skills system, n8n automation, and why it costs under £50/month.

#002 Wednesday Stack

I broke MCP security in 4 lines of JSON

10 popular MCP servers scored 2/100 on security. Plain text credentials, supply chain risks, and tool poisoning — plus the scanner I built to fix it.

#003 Friday Signal

OpenAI just validated the agent framework market

OpenAI acqui-hired the creator of OpenClaw. What it means for the framework landscape and how to think about vendor lock-in.