The article introduces the MCP Apps Extension (SEP-1865), which aims to standardize interactive user interfaces within the Model Context Protocol. This extension addresses current limitations by allowing MCP servers to deliver UI resources and facilitate bidirectional communication with host applications. Key features include pre-declared UI resources, security measures, and backward compatibility for existing implementations.

This article discusses the launch of MCP Apps, an extension that enables interactive user interfaces within the Model Context Protocol. It highlights the benefits of using HTML with MCP, including improved data flow and security through sandboxed iframes. Developers are encouraged to contribute to its ongoing development via GitHub.