Microsoft Agent Framework
MIT successor to AutoGen + Semantic Kernel — Python and .NET
AI Agents / Agents · OSS/MIT · 14.2k
Reviewed 2026-09-15 · last push 2026-10-18 · repo checked 2026-10-19
What's Good
MIT (microsoft/agent-framework). Official AutoGen successor for new work. Graph workflows (sequential, concurrent, handoff, group), middleware, OpenTelemetry, MCP tools, Foundry hosting samples. Docs on Microsoft Learn; PyPI `agent-framework` and NuGet Microsoft.Agents.AI. Local/OSS path is free; models and Azure Foundry hosting bill separately.
The Catch
Vs AG2 (community AutoGen fork), LangGraph (graph orchestration), and Google ADK: MAF is Microsoft’s enterprise-shaped multi-agent SDK, not a coding seat. Foundry hosted agents and Azure model meters are paid paths — OSS framework still runs with BYO providers. AutoGen is maintenance-only; start new projects here, not there.
Verdict
MIT Microsoft agent SDK. Prefer over AutoGen for new builds; watch Azure meters in prod.
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