MCP example

mastra-mcp-auth.ts

 const mcpClient = new MCPClient({
    servers: {
      myServer: {
        url: new URL('https://my-mcp-server.com'),
        authorization: {
          redirectUris: ['http://localhost:3000/oauth/callback'],
          scopes: ['read', 'write'],
          onAuthorizationNeeded: async (serverUrl, authUrl, context) => {
            // Redirect user to authUrl, then call:
            await mcpClient.provideAuthorizationCode('myServer', code, state);
          },
        },
      },
    },
  });