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1•11/02/2026, 17:18•2 min read

DeepSeek Harness Introduces Creator Mode for Custom Plugins

Executive TL;DR30s read

DeepSeek Harness has added a Creator Mode that lets users build custom plugins, workspaces, tools, and interfaces. The developers also published the English and Chinese prompts used to create the demo plugins.

DeepSeek Harness has introduced Creator Mode, a feature that allows users to create their own plugins.

According to the developers, users can build almost anything they need: from a video editor to a tool for reading scientific papers. They can also design custom workspaces, create tools, and completely change the program's interface.

In the demo, the team showed a sandbox game and a 3D visualizer for language models.

The developers also published the prompts in English and Chinese that were used to create these plugins.

Everything is a plugin!

Why it matters

Analysis

The update lowers the barrier to extending DeepSeek Harness with user-defined tools, turning it into a more flexible, plugin-driven workspace rather than a fixed assistant.

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