Dev Tools · 1h ago
MCP Spec Finalization Kills Handshake, Mandates OAuth 2.1
Anthropic's Model Context Protocol (MCP) is finalizing its spec on July 28, dropping the initialize handshake and session IDs to simplify scaling. The Tasks API is replaced, while Roots, Sampling, and Logging are deprecated with a 12-month migration window. OAuth 2.1 becomes mandatory, and SDKs get updates including Python's FastMCP rename to MCPServer.
Meridian48 take
The removal of stateful sessions is a pragmatic move that aligns MCP with standard web practices, but the 12-month deprecation window means teams must act now to avoid breaking integrations.
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