CHANGES MADE TO THE MODEL CONTEXT PROTOCOL

Summary from the TLDR AI newsletter

This document lists major changes made to the Model Context Protocol (MCP) specification since the previous revision, 2025-03-26. Some of the changes include the removal of support for JSON-RPC batching, the added support for structured tool output, and the clarification of security considerations and best practices in the authorization spec. A link to the complete list of all changes is available.