.NET: AG-UI Docs samples (#2194)

* Add AG-UI Blazor sample * Add AG-UI getting started samples * Cleanups * Update the dojo samples * cleanups * Fix readme * Address feedback and further cleanups * Fix build * Missing fixes
2026-06-16 21:04:09 +08:00 · 2025-12-08 01:42:06 +01:00
parent 8c6b12e664
commit eb06faea2d
90 changed files with 4227 additions and 11 deletions
@@ -0,0 +1,117 @@
+// Copyright (c) Microsoft. All rights reserved.
+
+using System.ComponentModel;
+using System.Text.Json.Serialization;
+using Azure.AI.OpenAI;
+using Azure.Identity;
+using Microsoft.Agents.AI;
+using Microsoft.Agents.AI.Hosting.AGUI.AspNetCore;
+using Microsoft.Extensions.AI;
+using Microsoft.Extensions.Options;
+using OpenAI.Chat;
+
+WebApplicationBuilder builder = WebApplication.CreateBuilder(args);
+builder.Services.AddHttpClient().AddLogging();
+builder.Services.ConfigureHttpJsonOptions(options =>
+    options.SerializerOptions.TypeInfoResolverChain.Add(SampleJsonSerializerContext.Default));
+builder.Services.AddAGUI();
+
+WebApplication app = builder.Build();
+
+string endpoint = builder.Configuration["AZURE_OPENAI_ENDPOINT"]
+    ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
+string deploymentName = builder.Configuration["AZURE_OPENAI_DEPLOYMENT_NAME"]
+    ?? throw new InvalidOperationException("AZURE_OPENAI_DEPLOYMENT_NAME is not set.");
+
+// Define the function tool
+[Description("Search for restaurants in a location.")]
+static RestaurantSearchResponse SearchRestaurants(
+    [Description("The restaurant search request")] RestaurantSearchRequest request)
+{
+    // Simulated restaurant data
+    string cuisine = request.Cuisine == "any" ? "Italian" : request.Cuisine;
+
+    return new RestaurantSearchResponse
+    {
+        Location = request.Location,
+        Cuisine = request.Cuisine,
+        Results =
+        [
+            new RestaurantInfo
+            {
+                Name = "The Golden Fork",
+                Cuisine = cuisine,
+                Rating = 4.5,
+                Address = $"123 Main St, {request.Location}"
+            },
+            new RestaurantInfo
+            {
+                Name = "Spice Haven",
+                Cuisine = cuisine == "Italian" ? "Indian" : cuisine,
+                Rating = 4.7,
+                Address = $"456 Oak Ave, {request.Location}"
+            },
+            new RestaurantInfo
+            {
+                Name = "Green Leaf",
+                Cuisine = "Vegetarian",
+                Rating = 4.3,
+                Address = $"789 Elm Rd, {request.Location}"
+            }
+        ]
+    };
+}
+
+// Get JsonSerializerOptions from the configured HTTP JSON options
+Microsoft.AspNetCore.Http.Json.JsonOptions jsonOptions = app.Services.GetRequiredService<IOptions<Microsoft.AspNetCore.Http.Json.JsonOptions>>().Value;
+
+// Create tool with serializer options
+AITool[] tools =
+[
+    AIFunctionFactory.Create(
+        SearchRestaurants,
+        serializerOptions: jsonOptions.SerializerOptions)
+];
+
+// Create the AI agent with tools
+ChatClient chatClient = new AzureOpenAIClient(
+        new Uri(endpoint),
+        new DefaultAzureCredential())
+    .GetChatClient(deploymentName);
+
+ChatClientAgent agent = chatClient.AsIChatClient().CreateAIAgent(
+    name: "AGUIAssistant",
+    instructions: "You are a helpful assistant with access to restaurant information.",
+    tools: tools);
+
+// Map the AG-UI agent endpoint
+app.MapAGUI("/", agent);
+
+await app.RunAsync();
+
+// Define request/response types for the tool
+internal sealed class RestaurantSearchRequest
+{
+    public string Location { get; set; } = string.Empty;
+    public string Cuisine { get; set; } = "any";
+}
+
+internal sealed class RestaurantSearchResponse
+{
+    public string Location { get; set; } = string.Empty;
+    public string Cuisine { get; set; } = string.Empty;
+    public RestaurantInfo[] Results { get; set; } = [];
+}
+
+internal sealed class RestaurantInfo
+{
+    public string Name { get; set; } = string.Empty;
+    public string Cuisine { get; set; } = string.Empty;
+    public double Rating { get; set; }
+    public string Address { get; set; } = string.Empty;
+}
+
+// JSON serialization context for source generation
+[JsonSerializable(typeof(RestaurantSearchRequest))]
+[JsonSerializable(typeof(RestaurantSearchResponse))]
+internal sealed partial class SampleJsonSerializerContext : JsonSerializerContext;