Introduction In the Use MCP OAuth2 Flow to access Quarkus MCP Server blog post, we explained how an MCP Client such as MCP Inspector could use the OAuth2 Flow with a pre-registered OAuth2 Client application to discover the MCP server’s OAuth2 Protected Resource Metadata, the metadata of the authorization server, login a user and acquire an access token that it could use to access MCP Server provided tools. In this blog post, we will look at how MCP Inspector can register OAuth2 Client appli...
