Welcome to doors94

A Windows 95-style sandbox for learning AI agent design through hands-on experimentation.

Create, test, and compare custom AI agents in a nostalgic retro computing environment.
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It's more fun to learn through playing

doors94 is an educational playground disguised as a fake operating system. It helps you design small, focused AI agents and see how structured descriptions turn into behavior. Instead of abstract theory, you learn prompt and agent design by playing, tweak manifests, chat with agents, compare them to raw GPT, and iterating.
Simply walk through the 5 steps in the Agent Creator to start experimenting with personalized agents.
Compare your agent to a standard GPT to see the difference and tweak your agent.

How it works

Create an agent with the Agent Creator wizard.
Chat with it from the desktop like any other app.
Use the Playground to compare it side-by-side with raw GPT.
Refine the manifest and repeat.