MCP Apps: Extending servers with interactive user interfacesIntroducing the MCP Apps Extension proposal (SEP-1865) to standardize interactive user interfaces in MCP, developed with the MCP-UI creators and maintainers from OpenAI and Anthropic. November 21, 2025 · 5 min · Anton Pidkuiko (Maintainer), Olivier Chafik (Maintainer), Ido Salomon (MCP-UI), Liad Yosef (MCP-UI), Nick Cooper (Core Maintainer), Sean Strong (Anthropic), Jerome Swannack (Anthropic), Al
