dshbase

DeepSeek Harness · DSH

Everything-is-a-plugin agent framework.

DeepSeek Harness (DSH) is the open-source agent framework where every capability is a plugin. This is your independent guide — install it, learn it, compare it, and browse the plugin ecosystem.

📦 npm plugin ecosystem 🚀 open source ⚖️ vs Claude Code — compared
⬇ Install guide 📖 Tutorial →

What is DeepSeek Harness?

DeepSeek Harness (DSH) is a developer-preview agent framework released by DeepSeek in August 2026. Its defining idea is everything is a plugin — tools, capabilities, and integrations are installed as npm plugins rather than built into the core. It's positioned as an open-source alternative to Claude Code and Claude Cowork.

🧩 Everything is a plugin

Capabilities are npm packages — add what you need, nothing more.

🚀 Open source

Community can fork, audit, and extend the framework.

📦 npm ecosystem

A growing directory of official and community plugins.

Quick start

Install DeepSeek Harness and run your first agent in a minute — full steps on the install guide.

npx @deepseek-ai/dsh web
  1. Open http://127.0.0.1:3080 and enter your DeepSeek API key.
  2. Configure the model under Settings → Models.
  3. Choose a workspace, send a task, and watch the agent work.

Guides & resources

Guide

DSH tutorial

Install, configure, use plugins, and run real tasks — step by step. →

 Compare

vs Claude Code

Plugins vs MCP, pricing, and which to choose. →

 Ecosystem

Plugin directory

120+ plugins across 7 categories. →

 Build

Plugin guide

Write your first dsh plugin and register tools. →

FAQ

What is DeepSeek Harness (DSH)?

DeepSeek Harness (DSH) is an open-source agent framework from DeepSeek announced in August 2026. Its core idea is that every capability is a plugin installed from npm, making it a flexible alternative to Claude Code.

Is DeepSeek Harness free?

DeepSeek Harness is open source. The underlying DeepSeek API (for V4-Pro etc.) is paid, at prices set by DeepSeek.

How is DSH different from Claude Code?

Architecturally: DSH is everything-is-a-plugin (npm), while Claude Code centers on MCP servers. See the full comparison.

What language is this site in?

This site is available in English and Chinese — use the language switch in the top-right corner.

🌐 中文