agent-framework

Microsoft Agent Framework (MAF) is an open, multi-language framework for building production-grade AI agents and multi-agent workflows in .NET and Python.

Microsoft Agent Framework is built for teams taking agents from prototype to production. It provides a consistent foundation for building, orchestrating, and operating agent systems across Python, .NET and Go, while keeping architecture choices open as requirements evolve, and supports a broad ecosystem including Microsoft Foundry, Azure OpenAI, OpenAI, and the GitHub Copilot SDK, with samples and hosting patterns for both local development and cloud deployment.

Watch the full Agent Framework introduction (30 min)

MAF is a strong fit if you:

• are building agents and workflows you expect to run in production,
• need orchestration beyond a single prompt or stateless chat loop,
• want graph-based patterns such as sequential, concurrent, handoff, and group collaboration,
• care about durability, restartability, observability, governance, or human-in-the-loop control,
• need provider flexibility so your architecture can evolve without major rewrites.

Explore new MAF capabilities and real implementation patterns on the official blog.

• Python and C#/.NET Support: Full framework support for both Python and C#/.NET implementations with consistent APIs
  • Python packages | .NET source
• Go Support: For the Go SDK, including its documentation, samples, contribution guidance, and issue tracker, visit microsoft/agent-framework-go.
• Multiple Agent Provider Support: Support for various LLM providers with more being added continuously
  • Python examples | .NET examples
• Middleware: Flexible middleware system for request/response processing, exception handling, and custom pipelines
  • Python middleware | .NET middleware
• Orchestration Patterns & Workflows: Build multi-agent systems with graph-based workflows supporting sequential, concurrent, handoff, and group collaboration patterns; includes checkpointing, streaming, human-in-the-loop, and time-travel
  • Python workflows | .NET workflows
• Foundry Hosted Agents (new): Deploy and host your agents to Foundry-hosted infrastructure with just 2 additional lines of code
  • Python samples | .NET samples
• Observability: Built-in OpenTelemetry integration for distributed tracing, monitoring, and debugging
  • Python observability | .NET telemetry
• Declarative Agents: Define agents using YAML for faster setup and versioning
  • Declarative agent samples
• Agent Skills: Build domain-specific knowledge bases from multiple sources—files, inline code, class libraries—for agents to discover and use
  • Skills design
• AF Labs: Experimental packages for cutting-edge features including benchmarking, reinforcement learning, and research initiatives
  • Labs directory
• DevUI: Interactive developer UI for agent development, testing, and debugging workflows
  • See the DevUI in action

• Getting Started
  • Installation
  • Learning Resources
  • Quickstart
    • Basic Agent - Python
    • Basic Agent - .NET
• Agent Skills for Coding Agents
• More Examples & Samples
• Community & Feedback
• Troubleshooting
• Contributor Resources

Python

pip install agent-framework
# This installs the standard package set; install `agent-framework-lab` separately for experimental modules.
# It may take a minute on first install on Windows.

.NET

dotnet add package Microsoft.Agents.AI
# For Foundry integration (used in the .NET quickstart below):
dotnet add package Microsoft.Agents.AI.Foundry
dotnet add package Azure.AI.Projects
dotnet add package Azure.Identity

• Overview - High level overview of the framework
• Quick Start - Get started with a simple agent
• Tutorials - Step by step tutorials
• User Guide - In-depth user guide for building agents and workflows
• Migration from Semantic Kernel - Guide to migrate from Semantic Kernel
• Migration from AutoGen - Guide to migrate from AutoGen

Create a simple Azure Responses Agent that writes a haiku about the Microsoft Agent Framework

# pip install agent-framework
# Use `az login` to authenticate with Azure CLI
import os
import asyncio
from agent_framework import Agent
from agent_framework.foundry import FoundryChatClient
from azure.identity import AzureCliCredential


async def main():
    # Initialize a chat agent with Microsoft Foundry
    # the endpoint, deployment name, and api version can be set via environment variables
    # or they can be passed in directly to the FoundryChatClient constructor
    agent = Agent(
      client=FoundryChatClient(
          credential=AzureCliCredential(),
          # project_endpoint=os.environ["FOUNDRY_PROJECT_ENDPOINT"],
          # model=os.environ["FOUNDRY_MODEL"],
      ),
      name="HaikuAgent",
      instructions="You are an upbeat assistant that writes beautifully.",
    )

    print(await agent.run("Write a haiku about Microsoft Agent Framework."))

if __name__ == "__main__":
    asyncio.run(main())

Create a simple Agent, using Microsoft Foundry that writes a haiku about the Microsoft Agent Framework

// This sample shows how to create and run a basic agent with AIProjectClient.AsAIAgent(...).

using Azure.AI.Projects;
using Azure.Identity;
using Microsoft.Agents.AI;

string endpoint = Environment.GetEnvironmentVariable("FOUNDRY_PROJECT_ENDPOINT") ?? throw new InvalidOperationException("FOUNDRY_PROJECT_ENDPOINT is not set.");
string deploymentName = Environment.GetEnvironmentVariable("FOUNDRY_MODEL") ?? "gpt-5.4-mini";

AIAgent agent =
    new AIProjectClient(new Uri(endpoint), new DefaultAzureCredential())
    .AsAIAgent(model: deploymentName, instructions: "You are an upbeat assistant that writes beautifully.", name: "HaikuAgent");

// Once you have the agent, you can invoke it like any other AIAgent.
Console.WriteLine(await agent.RunAsync("Write a haiku about Microsoft Agent Framework."));

Install the Python Agent Framework builder skill to give a compatible coding agent current guidance for choosing and building agents, harnesses, workflows, evaluations, integrations, and hosting:

gh skill install microsoft/agent-framework agent-framework-builder-python@main

The explicit @main ref is required until a tagged Agent Framework release includes the skill.

The cross-agent skills CLI is also supported:

npx skills add microsoft/agent-framework --skill agent-framework-builder-python

See the consumer skills catalog for details.

• Getting Started: progressive tutorial from hello-world to workflows
• Agent Concepts: deep-dive samples by topic (tools, middleware, providers, etc.)
• Workflows: workflow creation and integration with agents
• Hosting: A2A, self-hosted protocol helpers, and Foundry hosted agents. Durable Task and Azure Functions samples are in the Durable Agent Framework extension.
• End-to-End: full applications, evaluation, and demos

• Getting Started: progressive tutorial from hello agent to workflows
• Agent Concepts: basic agent creation and tool usage
• Agent Providers: samples showing different agent providers
• Workflows: advanced multi-agent patterns and workflow orchestration
• Hosting: A2A and Foundry hosted agents. Durable agent and workflow samples are in the Durable Agent Framework extension.
• End-to-End: full applications and demos

• Found a bug? File a GitHub issue to help us improve.
• Enjoying MAF? to show your support and help others discover the project.
• Have questions? Join our Discord or visit weekly office hours.

Tip: DefaultAzureCredential is convenient for development but in production, consider using a specific credential (e.g., ManagedIdentityCredential) to avoid latency issues, unintended credential probing, and potential security risks from fallback mechanisms.

For environment variable configuration specific to each sample, refer to the README in the sample directory (Python samples | .NET samples).

• Contributing Guide
• AI-Assisted Contributions Policy
• Code of Conduct
• Python Development Guide
• Design Documents
• Architectural Decision Records