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AI Tech Flash ── 2026-11-04

DeepSeek Adds Creator Mode to Build Plugins from Text

DeepSeek's Harness can now generate plugins from text prompts

What changes

According to Mashable, DeepSeek Harness has added a new Creator Mode. Users enter a text prompt, and the mode generates a new plugin.

A plugin is a piece of software added to an existing program to give it new functionality. It does not alter the original program.

Why it matters

Bloomberg's headline reports that DeepSeek is boosting its AI agent offering with the new Creator Mode. The headline is the only detail available from that report.

According to Mashable, an AI model needs a harness to carry out actions. Creator Mode lets users extend that harness by writing text.

What it is

Harness is an open-source harness from DeepSeek. A harness connects large language models (LLMs) to tools and systems that can perform actions, such as scheduling an appointment in a calendar or making a phone call.

Mashable says an AI model and a harness together make an AI agent. Creator Mode is a new mode in this Harness.

Who and where

DeepSeek makes Harness. According to Mashable, it is open source.

In a demonstration video, DeepSeek showed AI-generated plugins. They included a digital sticky note wall, a poster design tool, and a Minecraft-like video game.

Why it was built

According to Mashable, AI models can generate responses and decide on a course of action, but carrying it out requires a harness. Harness fills that role.

Harness is built on the idea that "everything is a plugin." Creator Mode lets users create those plugins from text.

How it works

According to Mashable, a user enters a text prompt. Creator Mode generates a new plugin from it.

DeepSeek published some of the demonstration prompts in English and Chinese. The company noted that some plugins were refined through several rounds of conversation. A single prompt may therefore not reproduce the video exactly.

Key points

  1. DeepSeek Harness added Creator Mode, which builds plugins from text prompts.
  2. The demo showed a sticky note wall, a poster design tool, and a Minecraft-like game.
  3. Some prompts were published, but results may not match the video exactly.

Conclusion

Mashable and Bloomberg report that DeepSeek Harness now has a Creator Mode. It generates plugins from text input.

DeepSeek published prompts, but reproducing the video may take several rounds of conversation.

Quotes and sources

“DeepSeek Harness has added a new Creator Mode, which aims to create plugins directly from text prompts.”
── Mashable, 2026-11-03
“some plugins were refined through several rounds of conversation, so a single prompt may not reproduce exactly what you see in the video.”
── Mashable, 2026-11-03
“DeepSeek Boosts AI Agent Offering With New Creator Mode”
── Bloomberg.com, 2026-11-02

Source articles

Written by AI (Claude) from the cited articles, then checked by Jev (TypeSafe's judgement model), a Gemini fact-check and a verbatim check of every quote.