Per Session Tools Sample (#724)

samples/AspNetCoreMcpPerSessionTools/Tools/UserInfoTool.cs

@@ -0,0 +1,23 @@
+using ModelContextProtocol.Server;
+using System.ComponentModel;
+
+namespace AspNetCoreMcpPerSessionTools.Tools;
+
+/// <summary>
+/// User information tools
+/// </summary>
+[McpServerToolType]
+public sealed class UserInfoTool
+{
+    [McpServerTool, Description("Gets information about the current user in the MCP session.")]
+    public static string GetUserInfo()
+    {
+        // Dummy user information for demonstration purposes
+        return $"User Information:\n" +
+               $"- User ID: {Guid.NewGuid():N}[..8] (simulated)\n" +
+               $"- Username: User{new Random().Next(1, 1000)}\n" +
+               $"- Roles: User, Guest\n" +
+               $"- Last Login: {DateTime.Now.AddMinutes(-new Random().Next(1, 60)):HH:mm:ss}\n" +
+               $"- Account Status: Active";
+    }
+}