RayCodes DeepSeek Harness — AI skill for Claude Code

🤖 DeepSeek Harness (`dsh`) — Quickstart & Provider Guide

**DeepSeek Harness (`dsh`)** is an open-source, composability-first AI agent harness powered by the [Cordis micro-kernel](https://github.com/cordiverse/cordis). Every agent capability — models, sandboxed shell tools, file editing, subagents, and web UIs — is a mounted plugin.

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📸 Visual Overview

• 🎨 Visual Editorial Presentation: assets/deepseek_harness_overview.html
• 📄 Overview Markdown Report: assets/deepseek_harness_overview.md

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⚡ Quick Start

🪟 For Windows Users (PowerShell)

Step 1: Check or Install Node.js (Requires Node.js >= 22)

Open **PowerShell** and check your Node.js version:

node -v

• If it returns v22.x.x or higher (e.g. v24.x.x), you're ready! Skip to Step 2.
• If Node.js is not installed or outdated, install the latest LTS version by running this in PowerShell:

winget install OpenJS.NodeJS.LTS

*(Restart your PowerShell window after installation completes).*

Step 2: Launch DeepSeek Harness Web UI

Paste and run this command in **PowerShell**:

npx @deepseek-ai/dsh web

Once running, open your browser to **`http://127.0.0.1:3080`**.

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🐧 🍎 For Linux / macOS Users (Terminal / Bash)

Step 1: Install Node.js v22 via nvm

curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.40.1/install.sh | bash
nvm install 22
nvm use 22

Step 2: Launch Web UI

npx @deepseek-ai/dsh web

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🛠️ Alternative: Run from Source

git clone https://github.com/deepseek-ai/