What you can do with DeepSeek Harness

4 use cases

• Start the DeepSeek Harness Web UI with one command

  Launch the dsh Web UI on your own machine with a single npx command.

  • DeepSeek Harness
  • Software and DevOps
  • Beginner
  View prompt

  In the deepseek-harness project, run `npx @deepseek-ai/dsh web --no-open` on <target machine> and report the local URL the server prints. Verify that http://127.0.0.1:3080 returns the Web UI page before reporting success.

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• Build and run the harness from a git checkout

  Clone the repository, install dependencies, build the artifacts, and start the Web UI from source.

  • DeepSeek Harness
  • Software and DevOps
  • Intermediate
  View prompt

  Clone https://github.com/deepseek-ai/deepseek-harness into <target folder>, run `pnpm install` and `pnpm run build`, then `pnpm dsh web`. Report whether the build finished without errors and the URL the Web UI is served on.

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• Have a coding agent make a change under the repo's rules

  Point an agent at AGENTS.md and CONTRIBUTING.md so its edits follow project guidance.

  • DeepSeek Harness
  • Software and DevOps
  • Advanced
  View prompt

  In the deepseek-harness repository, read AGENTS.md and CONTRIBUTING.md first, then make <described change> without touching unrelated files. Run `pnpm run build` and report the result and the files changed.

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• Write a plugin for the everything-is-a-plugin harness

  Build a plugin on the harness architecture and publish it with the dsh-plugin topic.

  • DeepSeek Harness
  • Software and DevOps
  • Advanced
  View prompt

  Using docs/architecture.md and docs/development.md in the deepseek-harness repository, draft a plugin in <target folder> that <describe capability>. Run `pnpm run build` in the base repo and report whether the plugin loads without errors.

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How to use DeepSeek Harness

1. Check you have what it needs: Node.js installed; A terminal and a web browser; pnpm, if running from source.
2. Open deepseek-ai/deepseek-harness on GitHub and read the README and license.
3. Install Node.js.
4. Read SAFETY.md in the repository and confirm you accept the safety notice.
5. Run npx @deepseek-ai/dsh web
6. If you do not want a browser window to open, run npx @deepseek-ai/dsh web --no-open and open http://127.0.0.1:3080 yourself. (inferred, check the README)

These steps come from our top use case, Start the DeepSeek Harness Web UI with one command, which also has a copy-paste agent prompt.

DeepSeek Harness alternatives · Best AI repos for Software and DevOps

About this repo

• Who it is forDevelopers and AI agent operators who want to run, extend, or contribute to an open-source agent harness.
• Why it is hot
• LanguageTypeScript
• Sourcegithub.com/deepseek-ai/deepseek-harness · Back to Hot repos

Requirements

• Node.js installed
• A terminal and a web browser
• pnpm, if running from source
• Git, if running from source
• Review of the SAFETY.md safety notice before running the project

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