NEW DeepSeek Harness Is The Claude Code & Codex Killer? (Open Source)

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DeepSeek just open-sourced DeepSeek Harness (DSH), its new developer-preview AI coding agent framework designed to compete with tools like Claude Code and OpenAI Codex. 🚀

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Github Repo: https://github.com/deepseek-ai/deepseek-harness
Website: https://deepseek.com/harness/en/
Docs: https://deepseek-harness.github.io/deepseek-harness/en/guide/quickstart
Plugin Marketplace: https://github.com/topics/dsh-plugin
Recommended Plugins: https://x.com/xiangxiang103/status/2088675121385148460
https://x.com/ouopacity/status/2088646680115904779
https://x.com/NFT_Chen/status/2088371308296130926

In this video, I break down what DeepSeek Harness actually is, how to install and get started with DSH, its “Everything is a Plugin” architecture powered by Cordis, the Web UI, agent trajectories, remote access, community plugins, and what happens when you pair the harness with DeepSeek V4 Pro. We’ll also look at some of the coolest projects already being built around the rapidly growing DSH ecosystem.

Is DeepSeek Harness actually an open-source Claude Code and Codex alternative, or is the hype getting ahead of the technology? Let’s test it out. 👀

🔗 DeepSeek Harness: https://github.com/deepseek-ai/deepseek-harness

⭐ Topics Covered
DeepSeek Harness explained, DSH installation, DeepSeek V4 Pro, Cordis, Everything is a Plugin, DSH Web UI, AI coding agents, agent trajectories, remote coding agents, DSH plugins, dsh-market, DeepSeek Harness Desktop, Claude Code alternatives, Codex alternatives, open-source AI coding

[Time Stamps]:
0:00 - Intro
0:25 - Modular Harness
0:51 - Results
1:35 - Plugin Marketplace
1:58 - How To Install
3:06 - UI Preview
4:15 - Models & Plugins
5:12 - Traceable
5:45 - Demo
6:31 - Trajectory
6:50 - Making Use of Modular System
8:10 - Sub Agents
8:22 - Demo Output
9:20 - Remote Session Plugin
9:58 - Recommended Plugins
10:36 - OpenDesign
10:53 - Phone Control
11:10 - Caution
11:45 - Conclusion

#DeepSeek #DeepSeekHarness #AI #Coding #AICoding #OpenSource #ClaudeCode #Codex #AIAgents #VibeCoding

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