Skip to content
COHO
Atrium dev docs

COHO docs

Atrium

COHO

v1.1
App samples
AI Building

Build an Atrium app with AI

One minimised file with everything an AI tool needs: how to work, the hard rules, the full app contract and the design system. Upload it to any LLM, then describe your app.

ATRIUM-AI-BUILD.mdMarkdown
  1. Upload the file to ChatGPT, Claude, Cursor or any AI tool (or paste its contents).
  2. Describe the app you want in plain English.
  3. Let the AI ask you for the API key when it needs one.
View the file
Auto

Build an Atrium app

Everything you need to build an app for COHO, in one kit: the app contract, starter code and a ready-made design system. Connect the AI tool of your choice, describe your idea, and it builds the app with you.
Copy the AI promptDeveloper guide

The kit includes

How do you want to build?

RecommendedBuild with AIConnect Claude, ChatGPT, Cursor or any AI tool. It gets the whole kit, including the design, and builds the app with you. COHO hosts it, so there are no servers to run.Start building For developersGo deeperWant to know how it all works? The full detail: signed webhooks, the Public API, health checks and hosting, with samples in Node, .NET, Python and Go.Developer guide

Ready to start? Jump to the prompt to copy. Both routes build the same kind of app, and you can switch at any time. New to Atrium? What an Atrium app is

Want to try it safely first? Request a Playground invite: a separate copy of COHO with demo data.

Get the ADK into your AI

  1. Copy the prompt and paste it into Claude, Cursor, ChatGPT or any AI coding tool. It points the tool at the whole kit, design included.
    Build me a COHO Atrium app.
First read this file in full. It has the instructions, the rules, the app contract and the design system: https://docs.coho.life/atrium-developer/ai-build.md
The app should: <describe what you want it to do>
  2. Or upload the file itself to tools without web access, or keep it in your repo or project knowledge.Download ATRIUM-AI-BUILD.md
  3. Point an agent at the index: https://docs.coho.life/atrium-developer/llms.txt. Every page is also available as Markdown from the buttons under its title.

Building screens? The Atrium design system opens in a new tab, with components you can copy.