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The new MCP spec just dropped! 🎉 There's too many new things to get into everything, but there are two big changes I am most excited about 👀 📝 Client ID Metadata Documents (CIMD) - a simpler way to manage client registrations, clients describe themselves with a URL they control

25/11/25, 11:14 pm5 reposts2 likes

Aaron Parecki

@aaronpk.com

25 Nov 2025

🔐 Enterprise-Managed Authorization extension (aka Cross App Access) - eliminate the OAuth redirect and get tokens for an MCP server by requesting them from the enterprise IdP Read more about what these mean for you in my full post 👉 aaronparecki.com/2025/11/25/1...

aaronparecki.comClient Registration and Enterprise Management in the November 2025 MCP Authorization SpecThe new MCP authorization spec is here! Today marks the one-year anniversary of the Model Context Protocol, and with it, the launch of the new 2025-11-25 specification. I’ve been helping out with the ...