Microsoft's early multi-agent framework, now in maintenance mode.
An open-source framework for several agents that talk to each other to solve a task. Since October 2025 it only gets bug and security fixes; Microsoft recommends Microsoft Agent Framework for new projects.
Key info
- Pricing
- Open source
- Category
- Agents
- Best for
- Expert
- What it is
- A framework for agents that talk to each other
- Status
- Maintenance mode since October 2025: bug and security fixes only
- Do you need to code?
- Yes, in Python
- Cost
- Free and open source; you pay your model provider
- Good for
- Existing AutoGen projects; start new ones on Microsoft Agent Framework
Related reading
- Context engineering
Writing your first skill
You already have a skill in you: the thing you keep typing into every session. Write it down once.
Intermediate