docs/integrations/deepseek-harness.mdx
DeepSeek Harness is an open-source coding agent.
<Note>DeepSeek Harness is currently a developer preview. Its upstream configuration may change between releases.</Note>
ollama launch dsh
Ollama installs @deepseek-ai/dsh if needed. To choose a model:
ollama launch dsh --model qwen3.5
ollama launch dsh --model qwen3.5:cloud
To configure without starting:
ollama launch dsh --config
Web search is enabled automatically. It requires Ollama cloud access and a model that supports tools. Run ollama signin if needed.
Ollama stores its settings in ~/.ollama/launch/dsh/settings.yaml. These settings load last and set the model, provider, and web search connection. Repeated launches preserve other settings in this file. Ollama does not change ~/.dsh/settings.yaml, profiles, sessions, or credentials.
Launch rejects additional --patch arguments. Pass other Harness arguments after --:
ollama launch dsh -- --port 3081
DeepSeek Harness requires Node.js. To install it manually:
npm install -g @deepseek-ai/dsh@latest
Then run ollama launch dsh. On Windows, install Node.js for Windows.