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DeepSeek Harness, Orca, and OpenShell: 6 AI Agent Tools Worth Watching
The Weekly Roundup · Wednesday, October 28
Last week a lot of you saved the Harness² and DeerFlow pieces, so I’m taking the hint. This week is almost all harnesses: the layer that wraps a model, hands it tools, and decides what it’s allowed to touch.
The pattern I keep seeing on my Repo Watch board is that the model is becoming the swappable part. The interesting work is happening around it: which tools it gets, what it remembers, which jobs run in parallel, and how much damage it can do before someone notices. That’s where the stars went this week.
Since Monday morning, DeepSeek pushed a fresh harness build to npm, and Google’s spec-driven Elephant-Goldfish Model kept climbing Trendshift’s daily list, so it earned a slot.
Star counts below are as of Tuesday, October 27, read straight off each repo page. They move fast, so treat them as a snapshot.
Agent repos trending this week
1. DeepSeek Harness (dsh)
deepseek-ai/deepseek-harness · 261.7k stars · MIT
DeepSeek’s own open-source agent harness, built on an “everything is a plugin” design. It’s been on my Repo Watch board for 21 days…










