---
title: "Agentic Codebase Articles | Len P. van der Hof"
description: "Repository architecture that keeps AI-agent work production-safe: layers, review gates, and durable interfaces that survive real deployments."
image: "https://lenvanderhof.com/photos/len-portrait-1.jpg"
---

Tag

# Agentic Codebase

Repository architecture that keeps AI-agent work production-safe: layers, review gates, and durable interfaces that survive real deployments.

AI Systems

## [An agentic workflow is not an automation](https://lenvanderhof.com/en/blog/agentic-workflow-vs-automation/)

A script repeats a path. An agentic workflow holds a goal, uses tools, and needs a ceiling.

Len P. van der Hof16 August 2026

AI Systems

## [LLM integration is an operating-design problem](https://lenvanderhof.com/en/blog/llm-integration-is-operating-design/)

The scarce work is ownership, permission, and review, not the model name on the invoice.

Len P. van der Hof22 August 2026

AI Systems

## [MCP explained for founders](https://lenvanderhof.com/en/blog/mcp-explained-for-founders/)

Care about the permission and the log. The logo on the protocol is the least interesting part.

Len P. van der Hof16 August 2026

AI Systems

## [STACK: version the agent OS like you version the app](https://lenvanderhof.com/en/blog/stack-version-the-agent-os/)

Rules in five tools. MCP without contracts. Skills nobody owns. That is not a model problem.

Len P. van der Hof23 August 2026

AI Systems

## [The Agentic Codebase: Version the Agent OS Like You Version the App](https://lenvanderhof.com/en/blog/the-agentic-codebase-introduction/)

Prompts in chat are not architecture. Scattered rules are not governance. STACK turns your repository into a maintainable agent operating system.

Len P. van der Hof5 August 2026

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