MCP Apps: Extending servers with interactive user interfaces
Today we’re proposing an MCP extension to standardize support for interactive user interfaces in the Model Context Protocol. This addresses one of the most requested features from the MCP community and builds on proven work from MCP-UI and OpenAI Apps SDK. MCP Apps is an optional extension that enables servers to deliver interactive user interfaces to hosts. It introduces a standardized pattern for declaring UI resources, linking them to tools, and enabling bidirectional communication between embedded interfaces and the host application. ...