.NET: Declarative Agents (#1301)

* AgentFactory abstractions and ChatClient implementation * Add a getitng started sample * Update to latest M.B.OM * Add some additional samples * Work in progress * Merge latest from main * Start to add support for using different kinds of connections * Remove IsSupported * Remove IsSupported * Refactor code to create clients to support DI * Add some unit tests * Update based on the latest code review feedback * Add support for OOB tools when using persistent agent sdk * Fix sample naming * Fix error based on latest MEAI * Update M.B.OM package to latest * Update to the latest M.B.OM release * Remove some obsolete helper methods * Update to the latest M.B.OM version * Fix broken unit test * Update MCP sample * Bump to latest M.B.OM release * Update to latest M.B.OM release * Update to latest M.B.OM release * Switch to using ExternalModel * Update to latest M.B.OM * Resolve merge conflicts * All tests pass * All tests pass * Start to clean up the code * Start to clean up the code * More clean up * More clean up * More clean up * Fix apiType checks * Run dotnet format * Fix typo * Address code review feedback * Add all properties for MCP tool * Address code review feedback * Address code review feedback * Fix merge * Undo warnings * Undo test change * More copilot feedback * Make class sealed * Address additional core review feedback --------- Co-authored-by: Mark Wallace <markwallace@microsoft.com>
2026-06-16 21:04:09 +08:00 · 2025-11-11 11:39:20 +00:00
parent 105dc82c39
commit aaa91954c5
75 changed files with 3980 additions and 3 deletions
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+// Copyright (c) Microsoft. All rights reserved.
+
+// This sample shows how to create an agent from a YAML based declarative representation.
+
+using Azure.AI.OpenAI;
+using Azure.Identity;
+using Microsoft.Agents.AI;
+using Microsoft.Extensions.AI;
+
+var endpoint = Environment.GetEnvironmentVariable("AZURE_OPENAI_ENDPOINT") ?? throw new InvalidOperationException("AZURE_OPENAI_ENDPOINT is not set.");
+var deploymentName = Environment.GetEnvironmentVariable("AZURE_OPENAI_DEPLOYMENT_NAME") ?? "gpt-4o-mini";
+
+// Create the chat client
+IChatClient chatClient = new AzureOpenAIClient(
+    new Uri(endpoint),
+    new AzureCliCredential())
+     .GetChatClient(deploymentName)
+     .AsIChatClient();
+
+// Define the agent using a YAML definition.
+var text =
+    """
+    kind: Prompt
+    name: Assistant
+    description: Helpful assistant
+    instructions: You are a helpful assistant. You answer questions in the language specified by the user. You return your answers in a JSON format.
+    model:
+        options:
+            temperature: 0.9
+            topP: 0.95
+    outputSchema:
+        properties:
+            language:
+                type: string
+                required: true
+                description: The language of the answer.
+            answer:
+                type: string
+                required: true
+                description: The answer text.
+    """;
+
+// Create the agent from the YAML definition.
+var agentFactory = new ChatClientAgentFactory(chatClient);
+var agent = await agentFactory.CreateFromYamlAsync(text);
+
+// Invoke the agent and output the text result.
+Console.WriteLine(await agent!.RunAsync("Tell me a joke about a pirate in English."));
+
+// Invoke the agent with streaming support.
+await foreach (var update in agent!.RunStreamingAsync("Tell me a joke about a pirate in French."))
+{
+    Console.WriteLine(update);
+}