DeepSeek Harness
DeepSeek

Why it is on the list
A layer on top of other agents, not a replacement for them.
Facts with sources
- Released August 13; within three weeks, about 165 plugins had piled up in the default install, and some of the published ones are malicious. Source (in Russian)
- Deploying it on a clean server took the guide’s author about 25 minutes, with a second AI on hand to suggest commands. Source (in Russian)
- Can call Claude Code and Codex as subagents. Source (in Russian)
Who it is for
- Engineer who already runs several agents and wants a layer over them