Alibaba Cloud Native

Jun 5, 2025 · Cloud Native

Understanding MCP Auth: OAuth 2.1 Integration and Bearer Authentication for Function Compute

This article explains how the MCP protocol adopts OAuth 2.1, Authorization Server Metadata (RFC 8414), Dynamic Client Registration (RFC 7591) and Protected Resource Metadata (RFC 9728) to provide authentication for MCP services, and shows step‑by‑step how to deploy an MCP server with Bearer authentication on Function Compute, including supergateway configuration.