# DeepSeek Adds Creator Mode to Harness for Building Usable Plugins

By Simon Yoon

Canonical URL: https://www.tokenpost.com/news/technology/46935
Published: 2026-11-02T21:25:40.000Z
Updated: 2026-11-02T21:25:40.000Z
Section: Technology

> Examples include a design workspace, a sandbox game and a 3D visualization tool for large language models.

DeepSeek Harness introduced Creator Mode, a feature that converts a user’s concept into a plugin ready to use, with demonstrations spanning a design workspace, a sandbox game and a 3D large language model visualization.

The examples ranged from a design workspace and sandbox game to a 3D visualization of large language models. DeepSeek had previously optimized its V4.1-Flash model for Harness.