A Week Inside Gauntlet: How I Built My CollabCanvas

So, I joined Gauntlet AI, which basically means going from zero to a hundred in a few weeks to become the best context engineering possible. We’re talking about learning things that aren’t even out yet and spending a hundred hours coding. The first week’s challenge? Build a Collaborative Canvas MVP in 24 hours, and then integrate AI features by the end of the week.

Now, what made this interesting is that we weren’t just coding. We were context engineering. That means before I wrote any code, I used AI to run an ideation session. The AI asked me questions, poked holes in my ideas, and helped me create a PRD and a Mermaid diagram. This planning phase was crucial because it set the whole foundation so I wouldn’t just fall into “vibe coding” and clicking yes to everything.

For the MVP, we started simple: making sure two users could see each other’s changes in real-time without lag. Once that was done, we moved on to the AI integration. Initially, I tried using DALL-E 3 to transform images into Japanese anime style, but it didn’t quite work. The AI was just generating random people. Eventually, I switched to Replicate, which gave me a much better image-to-image transformation and finally got the anime effect we wanted.

In the end, the app became this cool tool where users can create e-invites, customize them live with AI-generated art, and share them. My biggest lesson? You only truly learn by doing. You can hear about PRDs and context engineering, but you don’t really get it until you jump in and start solving problems. So, if you’re building something similar, focus on that strong foundation first, plan well, and let the coding flow from there.

A Week Inside Gauntlet: How I Built My CollabCanvas

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