From the course: Unboxing AI: Build a Remote MCP Server from Zero to Deployed with OAuth

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Implementing MCP authorization

Implementing MCP authorization - OAuth Tutorial

From the course: Unboxing AI: Build a Remote MCP Server from Zero to Deployed with OAuth

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Implementing MCP authorization

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- The way that MCP authorization works is the MCP client, so the chatbot, VS Code, Cursor, whatever you're using, becomes an OAuth 2.1 client, and the MCP server becomes an OAuth 2.1 resource server. That way, instead of adding the authentication layer between the MCP server and the external API, the MCP server itself is the authorization and authentication layer. What does that look like in practice? Well, you have to go through what's known as the OAuth loop, and the most robust way of doing this is to set it up so that the MCP server can be, quote, unquote, "blind to the user," meaning the MCP server can act on behalf of any user, provided they log in, but that login loop needs to happen at the user end. So here's what that loop actually looks like in practice, just to give you an idea of how many steps are involved to ensure that nothing goes wrong. Actually, before I say this, I should point out until the auth spec came out for MCP, people were still logging into systems using…

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