althor
Writing

Essays on agent infrastructure

Working notes from shipping agent systems into regulated environments. Each piece is a pattern I've watched succeed or fail in production.

2026-05-17 · Pattern

Entra ID workload identities for agent systems

Four identity options — app-only, on-behalf-of, federated credentials, managed identity — mapped to the audit-trail decision an agent designer is making whether they realize it or not. Plus the five gotchas the wizard doesn't surface.

2026-05-17 · Free PDF

Agent Security Review Checklist

A pre-flight checklist for shipping AI agents into regulated environments. Five layers, yes/no items, decision tree — the same review I run during a Discovery engagement, distilled to a self-serve PDF.

2026-04-21 · Pattern

Making agent deployments pass security review

A five-layer architecture distilled from shipping three agent systems in regulated environments — identity, credential broker, scoped tools, policy gating, audit. Skip a layer and the review fails.

2026-04-21 · Pattern

Drawing the right boundaries for an MCP server

An MCP server is a security boundary, not a convenience layer. Six rules that keep tool surfaces narrow enough to defend without making them too narrow to use.