I turned Markdown into a protocol for generative UI

fabian-kuebler.com
March 19, 2026
7 min read
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53/100
Summary
User interfaces are predicted to become obsolete, with agents generating necessary UIs on demand. A prototype demonstrates an agentic AI assistant that creates React UIs using Markdown as a protocol for text, executable code, and data streaming.
Key Takeaways
- Eric Schmidt predicts that user interfaces will largely disappear as agents generate necessary UIs on the fly.
- The prototype uses Markdown as a protocol to interleave text, executable code, and data in a single stream.
- Streaming execution allows code to execute incrementally as it is generated, enhancing responsiveness in user interactions.
- The system incorporates a feedback loop where the agent can react to its own execution results and user inputs in real-time.
Coverage & discussions
Hacker News · fabian-kuebler.com
Community discussions
Hacker News discussion ↗
Historical count: 5 · 5 saved in sample · Historical sample
Analysis ready
Community Sentiment
Positives
- The concept of a Markdown-based protocol for generative UI could streamline the integration of data, code, and presentation, enhancing developer productivity and collaboration.
- The idea of streamed execution introduces a novel approach that could improve real-time interaction in UI development, making applications more responsive.
- Imagining the use of this protocol with Claude Code for interactive dashboards highlights its potential for simplifying complex tasks like managing Kubernetes clusters.
Concerns
- There is uncertainty about the significance of the streamed execution idea, indicating a potential lack of clarity or understanding in its application within the community.
- Concerns about the reliability of AI-generated JSON for UI components suggest that there may be challenges in ensuring consistent user experiences across different implementations.




