# Building EchoMind OS: A Sci-Fi AI Cognitive Mirror with MeDo

> Source: <https://dev.to/lidiamarin/building-echomind-os-a-sci-fi-ai-cognitive-mirror-with-medo-2m4f>
> Published: 2026-05-20 09:51:56+00:00

What happens when you mix psychological validation, multi-agent state persistence, and full-stack natural language development? You get EchoMind OS.
For the Build with MeDo Hackathon, I wanted to move away from traditional enterprise dashboards and create an immersive sci-fi operating system that acts as a psychological mirror for builders and entrepreneurs, helping them map their cognitive biases before reality catches up.
https://www.youtube.com/watch?v=wMPcqe6Ib6w
EchoMind OS analyzes input metrics regarding business ambitions, financial runways, and commitments to universal design/accessibility (WCAG standards). Using multi-turn orchestration, the application branches into two critical analytical tracks:
![EchoMind Bias Scanner]
Leveraging MeDo’s conversational engine allowed me to focus heavily on prompt optimization, behavioral adaptation, and custom UI styling. Achieving persistent context where a dynamic chat agent remembers your early biometric inputs was a major triumph!
Check out the project live here and test your timeline reality: https://app-bqeamehvavb4.appmedo.com/onboarding