Learn to build secure, multi-user Model Context Protocol (MCP) servers in this 22-minute conference talk that addresses the critical security and authorization challenges that emerge when scaling MCP implementations beyond development environments. Discover how the latest evolution of the MCP specification enables fine-grained, multi-user authentication and authorization capabilities. Explore best practices for securing MCP servers in production environments while understanding the complex security considerations that underlie every MCP demonstration. Master the techniques for extending LLM capabilities through MCP servers while maintaining robust security standards for real-world deployment scenarios.