Add AG2 (formerly AutoGen) plugin package and demo

README.md

@@ -181,6 +181,7 @@ We would like to thank the following groups for their contribution to the toolki
 
 In addition, we would like to thank the following open source projects that made NeMo Agent Toolkit possible:
 
+- [AG2](https://github.com/ag2ai/ag2)
 - [Agent2Agent (A2A) Protocol](https://github.com/a2aproject/A2A)
 - [CrewAI](https://github.com/crewAIInc/crewAI)
 - [Dynamo](https://github.com/ai-dynamo/dynamo)

docs/source/components/integrations/frameworks.md

@@ -24,6 +24,7 @@ NVIDIA NeMo Agent Toolkit provides comprehensive support for multiple agentic fr
 NeMo Agent Toolkit integrates with the following frameworks:
 
 - **ADK**: Google Agent Development Kit for building AI agents
+- **AG2**: The community-maintained successor to Microsoft AutoGen with multi-agent orchestration and native MCP integration
 - **Agno**: A lightweight framework for building AI agents
 - **AutoGen**: A framework for building AI agents and applications
 - **CrewAI**: A framework for orchestrating role-playing AI agents
@@ -58,6 +59,7 @@ The following table summarizes the current support level for each framework:
 | Framework        | LLM Providers        | Embedder Providers     | Retriever Providers      | Tool Calling          | Profiling             |
 |------------------|----------------------|------------------------|--------------------------|-----------------------|-----------------------|
 | ADK              | ✅ Yes               | ❌ No                  | ❌ No                    | ✅ Yes                 | ✅ Yes                |
+| AG2              | ✅ Yes               | ❌ No                  | ❌ No                    | ✅ Yes                 | ✅ Yes                |
 | Agno             | ⚠️ Limited           | ❌ No                  | ❌ No                    | ✅ Yes                 | ✅ Yes                |
 | AutoGen          | ✅ Yes               | ❌ No                  | ❌ No                    | ✅ Yes                 | ✅ Yes                |
 | CrewAI           | ✅ Yes               | ❌ No                  | ❌ No                    | ✅ Yes                 | ✅ Yes                |
@@ -87,6 +89,25 @@ For more information, visit the [ADK website](https://google.github.io/adk-docs/
 uv pip install "nvidia-nat[adk]"
 ```
 
+### AG2 (formerly AutoGen)
+
+AG2 is the community-maintained successor to Microsoft AutoGen with support for multi-agent orchestration, intelligent handoffs, and native MCP integration. AG2 provides a modern API for building collaborative agent systems with features like GroupChat patterns, tool integration, and flexible LLM configuration.
+
+For more information, visit the [AG2 documentation](https://docs.ag2.ai).
+
+| Capability              | Providers / Details                                                                 |
+|-------------------------|-------------------------------------------------------------------------------------|
+| **LLM Providers**       | NVIDIA NIM, OpenAI, Azure OpenAI                                                    |
+| **Embedder Providers**  | None (use framework-agnostic embedders if needed)                                   |
+| **Retriever Providers** | None (use AG2 native tools)                                                         |
+| **Tool Calling**        | Fully supported through the `Tool` interface of AG2                                 |
+| **Profiling**           | Comprehensive profiling support with instrumentation                                |
+
+**Installation:**
+```bash
+uv pip install "nvidia-nat[ag2]"
+```
+
 ### Agno
 
 Agno is a lightweight framework for building AI agents. It provides a set of tools for creating agents that can be used to create complex workflows powered by LLMs. Agno focuses on modularity and extensibility, making it suitable for integrating custom data pipelines and enhancing intelligent applications.