MXC: The Missing Piece for Agent Containment on Windows
Microsoft Execution Containers give agents declared boundaries instead of implied trust. Here’s why that changes everything for local agent deployment.
I'm a Principal Software Engineer at Microsoft, working as an architect on the Windows Developer Platform team responsible for the Windows agentic platform.
Thoughts on AI, MCP, and building platform infrastructure that enables agentic workflows at enterprise scale.
Recent Posts
18 Minutes, One Extension, Full Access
A compromised VS Code extension was live for 18 minutes. That was enough. The real problem isn’t which tools you install — it’s what they can do once they’re...
I Built a Compiler with Agent Fleets. Here’s What Broke.
I used AI agents to build a real compiler — 3,000+ tests, 91 diagnostics, better than what we had. But fleets don’t talk to each other. Here’s what broke and...
MCP Tool Annotations Are Not Security
MCP tool annotations are self-reported hints from untrusted servers. That’s useful for UX. It’s not a security model.
Agentic Building Blocks: Instructions vs Prompt Files vs Custom Agents vs Skills vs MCP vs Hooks
A practical guide to the building blocks of modern agent systems — what each is for, where it fits, and how to choose without cargo-culting.
The 2026 MCP Roadmap: Four priorities as MCP grows up
MCP’s 2026 roadmap signals a shift from feature milestones to production-driven priorities: scalable transport, agent tasks, governance throughput, and enter...
Agent Terrarium: A Desktop World for Your AI Agents
A desktop companion app where AI agents live in a tiny animated world on your screen — now open source.
Wrangler Tray: Monitor Your Cloudflare Deployments from the System Tray
I use Cloudflare Workers and Pages for a bunch of side projects. Tired of refreshing the dashboard to check deployment status, so I had Copilot build me a sy...
Agent Terrarium: Making AI Agents Feel Alive
I just built something that makes me absurdly happy — a personal side project. A desktop world where AI agents live, wander, and chat with you.
lvt Adds WPF Support and Plugin Architecture
lvt now supports WPF applications, and a new plugin system makes adding any UI framework a matter of minutes, not weeks.