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DeepSeek Harness Creator Mode: When the Agent Builds Its Own Plugins — and Why That Needs Guardrails

This story is from 2026-11-04. It is preserved in the archive; the latest stories are on the live feed.

On 2 November 2026, DeepSeek's Harness team announced Creator Mode for DeepSeek Harness, its open-source AI agent app. The pitch is short: describe a tool in plain language, and the agent writes it as a plugin, installs it, and checks that it works. What actually happened DeepSeek Harness is built…

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  1. 2026-11-04 09:32 · DEV Community — AI
    DeepSeek Harness Creator Mode: When the Agent Builds Its Own Plugins — and Why That Needs Guardrails

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