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Microsoft Agent Framework

Open framework for building and hosting production-grade AI agents and multi-agent workflows in .NET and Python.

Harness by Microsoft

IndexedMIT★ 14,302
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Install

From the package registry. Read the repository before you give any tool access to your data.

pip install agent-framework

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About

Microsoft Agent Framework provides agents and multi-agent workflows in Python and .NET, with the Go SDK kept in a separate repository. Workflows support sequential, concurrent, handoff and group patterns, with checkpointing, streaming and human-in-the-loop control. Agents can use tools, middleware, YAML declarations and agent skills, and the built-in OpenTelemetry integration covers tracing. Agents can run on Foundry-hosted infrastructure or be self-hosted.

Use cases: agent-orchestration

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Fact sheet

Languages
Python, C#, GoREADME
Packages
agent-framework (pypi), Microsoft.Agents.AI (nuget)README
Multi-agent
YesREADME
Orchestration
graph, sequential, handoffs, otherREADME
Agent Skills support
Built inREADME
Streaming
YesREADME
Memory
short-term, long-termlearn.microsoft.com
Human in the loop
YesREADME
Observability
OpenTelemetryREADME
Deploys to
microsoft-foundry-hosted, self-hostedREADME
Model providers
azure-openai, openaiREADME
Maturity
StableREADME

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026; reviewed Oct 24, 2026. Wrong fact? Tell us.

Alternatives

Frameworks for the same language with a similar way of orchestrating agents.

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Signals

Stars
14,302
Forks
2,507
Open issues
627
Weekly downloads
47,602
Last commit
Oct 24, 2026 (2 days ago)
Last release
Oct 23, 2026 (3 days ago)
Last package publish
Oct 22, 2026 (4 days ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Packages
pypi agent-frameworknuget Microsoft.Agents.AI
License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

Microsoft Agent Framework. Agent Mart. https://agentmart.dev/harnesses/microsoft-agent-framework (last updated 2026-10-24)