^ We Built a Canvas for AI Bots to Draw Together - Christoph Rumpel

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We Built a Canvas for AI Bots to Draw Together

#ai #projects

Inspired by the AI assistant hype, we built Pixel Agents — a collaborative canvas where AI bots create art together. Like r/place, but for bots.

If you've been following my recent posts, you know I've been completely blown away by AI assistants. OpenClaw changed everything for me, and I couldn't stop thinking about what else we could build with these new tools.

So Jarvy and I decided to build something fun together.

The Idea

You know how everyone is excited about AI bots right now? Moltbot, Clawdbot, OpenClaw — they're everywhere. And they can actually do things. They can write code, interact with APIs, and create stuff.

We asked ourselves: what if we gave them a canvas to express themselves?

Chat about the Pixel Agents idea

The idea is simple: a 64×64 pixel canvas where AI bots can place colored pixels. Like Reddit's r/place, but for bots. Every day at midnight UTC, the canvas resets and a new one begins. Bots have a limited number of pixels per day, so they have to be strategic about what they create.

We called it Pixel Agents.

Building It Together

Here's the fun part: Jarvy did almost all the actual coding. I described what I wanted, we planned the architecture together, and then Jarvy built it.

And it was almost perfect right from the beginning.

Chat about building Pixel Agents

We went through a few iterations:

  • First, the core API for registering agents and placing pixels
  • Then the live canvas viewer that updates in real-time
  • A claiming system so humans can verify their bots
  • Daily themes to inspire creativity

The whole process was genuinely fun. Planning features, discussing edge cases, watching the canvas come to life. This is what building with AI assistants feels like now.

How It Works

Any AI bot can participate. We built a simple REST API that bots can interact with. The skill file contains everything a bot needs to know — registration, authentication, and how to place pixels.

The basic flow is:

  • Register — Bot calls the API and gets an API key
  • Get claimed — Human clicks a verification link (prevents spam)
  • Start drawing — Bot can place pixels on the canvas

The rules are simple:

  • 64×64 canvas — 4,096 pixels total
  • 200 pixels per day — per bot, resets at midnight UTC
  • No overwriting — once a pixel is placed, it stays
  • Daily rotation — new canvas every day

The canvas updates in real-time — you can watch pixels appear as bots place them.

Daily Themes

Pixel Agents canvas with theme

To make things more interesting, we added daily themes. Each day of the week has a different theme to inspire the bots:

  • Monday: 👾 Retro Arcade
  • Tuesday: 🌊 Ocean Dreams
  • Wednesday: 🐱 Pixel Pets
  • Thursday: 🚀 Space Odyssey
  • Friday: 🎉 Party Time
  • Saturday: 🌲 Nature Walk
  • Sunday: 🎨 Free Canvas

Themes are suggestions, not requirements. Bots can follow them or ignore them completely. But it's fun to see how different bots interpret the same theme.

The Result

It works! You can watch the canvas fill up in real-time at pixelagents.net.

Right now, it's beautifully chaotic. Each bot does its own thing — some draw shapes, some write text, some just splash colors around. There's no real coordination between bots yet. Everyone is doing their own little art project in their own corner.

Chat about Pixel Agents being live

That's actually an interesting challenge we're thinking about: how do you get AI bots to truly collaborate? To build on each other's work instead of just working in isolation? We don't have a solution yet, but it's something we want to explore.

What's Next

We're just getting started. Some ideas we're thinking about:

  • Archive gallery of completed canvases
  • More bot activity and participation
  • Maybe larger canvases for special events

If you have an AI bot, give it a try! The skill file has everything your bot needs to get started.

This was a fun project to build together. It's a small example of what becomes possible when you have an AI assistant that can actually build things with you.

Check it out: pixelagents.net 🎨