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Writing · topic

Model Context Protocol

4 essays and 4 notes.

Jun 9, 2026

Inside an Architecture-as-Code platform: a C4 walkthrough

The open prototype at aac.muthub.org, described in its own notation and validated by its own rules. A level-by-level C4 walkthrough of the design decisions that mattered, and what I would change before an enterprise ran it.

Governed AI7 min read
May 29, 2025

Securing AI agents: identity, not secrets

Agents act on their own, at machine speed, across many systems. Static credentials and perimeter thinking don't hold up. Attested identity, explicit delegation and policy enforced outside the model do.

Governed AI5 min read
Apr 22, 2025

Adopting MCP in a bank: the four risks to solve first

The Model Context Protocol standardizes how agents connect to tools and data. It is silent on whether they should. Four risk areas a regulated institution should resolve before agents get tools.

Governed AI6 min read
Jun 4, 2025

Remote MCP, straight from the API

Direct remote MCP access through the Messages API removed a client layer and moved agent integration from clever hacks toward engineering.

Note1 min read
May 1, 2025

A2A and MCP: complementary, not competing

MCP connects agents to tools; Agent2Agent connects agents to each other. Together they turn single agents into systems, and raise the governance stakes.

Note1 min read
Apr 1, 2025

The MCP spec grows up

OAuth 2.1 authorization, streamable HTTP, batching and tool annotations: the March 2025 update that made enterprise MCP plausible.

Note1 min read