DeepSeek Harness (dsh)
The open-source agent harness by DeepSeek AI — "Everything is a Plugin", powered by Cordis. MIT licensed.
AgentRunDB entry →deepseek-harness × compatibility with DeepSeek →
Developer preview — DeepSeek Harness iterates rapidly and there WILL be compatibility-breaking changes.
Quick start (Web UI: http://127.0.0.1:3080)
# Requires Node.js >= 18 npx @deepseek-ai/dsh web # Web UI → http://127.0.0.1:3080
Web UI Quick Guide & Troubleshooting
How do I launch the DeepSeek Harness Web UI?
Run npx @deepseek-ai/dsh web in your terminal. It downloads the latest developer preview and starts the Web UI at http://127.0.0.1:3080.
What if port 3080 is already in use?
Specify a custom port using --port <number> (e.g., npx @deepseek-ai/dsh web --port 3090) or terminate the conflicting process on port 3080.
What are the Node.js version requirements?
DeepSeek Harness requires Node.js >= 18.0.0 (Node.js 20+ LTS recommended). If compiling from source, pnpm is recommended.
Where is the official GitHub repository?
The official repository is hosted at github.com/deepseek-ai/deepseek-harness under the MIT license.
npx @deepseek-ai/dsh web --port 3090Official links
Updates & breaking changes
- Merge pull request #3650 from deepseek-harness/worktree-feqatest
- Merge master into fix/parallel-macos-notarization
- fix(desktop): tighten parallel notarization checks
- Merge remote-tracking branch 'origin/master' into dshw/pr-deepseek-harness-deepseek-harness-3828
- fix(subprocess): settle a Linux scope left active with no processes
dsh Plugins
🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor / Dee
🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated
Agent skill for beautiful, verifiable architecture, workflow, sequence, data-flow, and lifecycle diagrams—self-contained HTML with motion and crisp export.
A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!
A one-of-a-kind resume builder that keeps your privacy in mind. Completely secure, customizable, portable, open-source and free forever. Try it out today!
Self-evolving Context Database for AI Agents. Unify Agent Memory, Knowledge RAG and Skills.