Evolution of MCP auth

Den Delimarsky, Lead Maintainer of MCP and Member of Technical Staff at Anthropic, walks through how MCP authorization reached its current state and what the maintainers are working on next.

Overview

The video covers the evolution of MCP authentication/authorization design, including:

• The original OAuth profile used by MCP
• How protected resource metadata fits into the authorization story
• The shift in how client registration is handled with servers
• Enterprise-managed authorization approaches
• What’s coming next from the maintainers, including agent identity