Agent Development Kit (ADK) vs DeepSeek Harness

Side-by-side comparison of two AI agent tools

Short answer

  • DeepSeek Harness is growing faster: +16,130 GitHub stars in the last 30 days vs +80 for Agent Development Kit (ADK).
  • Pick Agent Development Kit (ADK) for: an open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents. Pick DeepSeek Harness for: deepSeek Harness: Everything is a Plugin.

From GitHub data refreshed daily.

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

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DeepSeek Harnessopen-source

DeepSeek Harness: Everything is a Plugin.

Metrics

Agent Development Kit (ADK)DeepSeek Harness
Stars21.7k242.6k
Star velocity /mo8016.1k
Commits (90d)1.4k19.8k
Releases (6m)1010
Downloads (30d, npm + PyPI)9.9M—
Overall score0.73815426623124230.9562973226855356

FAQ

Which is more popular, Agent Development Kit (ADK) or DeepSeek Harness?
DeepSeek Harness has more GitHub stars (242,644 vs 21,696).
Which is more actively developed, Agent Development Kit (ADK) or DeepSeek Harness?
DeepSeek Harness had more commits in the last 90 days (19,802 vs 1,402).
Should I use Agent Development Kit (ADK) 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.