12 Factor Apps

What are the principles we can use to build LLM-powered software that is actually good enough to put in the hands of production customers?

In the spirit of 12 Factor Apps. The source for this project is public at https://github.com/humanlayer/12-factor-agents, and I welcome your feedback and contributions. Let’s figure this out together!

Tip

Missed the AI Engineer World’s Fair? Catch the talk here

Looking for Context Engineering? Jump straight to factor 3

Want to contribute to npx/uvx create-12-factor-agent - check out the discussion thread

![[../_asset/image-8.webp]]

https://github.com/humanlayer/12-factor-agents

{
	"versionAtEmbed": "0.3.4",
	"filepath": "_asset/Ink/Drawing/2026.1.17 - 1.57am.drawing",
	"width": 500,
	"aspectRatio": 1
}