What's New In MCP : Elicitation, Structured Content, And Oauth Enhancements
Cisco, June 23,2025
What's New in MCP 2025-06-18: Human-in-the-Loop, OAuth, Structured Content, and Evolving API Paradigms
The latest release of the Model Context Protocol (MCP) - dated 2025-06-18 - introduces powerful enhancements advancing MCP as the universal protocol for AI-native APIs.
Key highlights include:
> Human-in-the-loop support via Elicitation flows
> Full OAuth schema definitions for secure, user-authorized APIs
> Structured Content and Output Schemas - typed, validated results with flexible schema philosophy and MIME type clarity