Microsoft Agent Framework vs DeepSeek Harness

Side-by-side comparison of two AI agent tools

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

D
DeepSeek Harnessopen-source

DeepSeek Harness: Everything is a Plugin.

Metrics

Microsoft Agent FrameworkDeepSeek Harness
Stars13.9k241.0k
Star velocity /mo1.2k20.1k
Commits (90d)91019.8k
Releases (6m)1010
Overall score0.80766393301103380.9567284473507968

FAQ

Which is more popular, Microsoft Agent Framework or DeepSeek Harness?
DeepSeek Harness has more GitHub stars (241,031 vs 13,883).
Which is more actively developed, Microsoft Agent Framework or DeepSeek Harness?
DeepSeek Harness had more commits in the last 90 days (19,798 vs 910).
Should I use Microsoft Agent Framework or DeepSeek Harness?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.