the catalog · ✨ AI assistants
DeepSeek Harness
★ 175kOfficial DeepSeek agent harness where models, tools, sessions, permissions, and UIs are plugins — a lightweight runtime for DeepSeek apps.
DeepSeek Harness does the job of Claude Code and Cursor agent, self-hosted. It is MIT-licensed, so you can do essentially what you like with it, and setting it up is an afternoon, not a weekend. Claude Code bills $20+ for it. 175k stars on GitHub.
Open-source replacement for Claude Code, Cursor agent.
- Licence
- MIT
- Self-hosting
- Medium
- The paid one costs
- $20+
- GitHub stars
- 175k
Is it actually a replacement?
We have written a verdict on what it replaces — what you lose, and why people still pay:
How DeepSeek Harness runs
Where it runs
DeepSeek Harness runs on your server.
What setup takes
not verified by us yet — check the repo README.
DeepSeek Harness questions
Is DeepSeek Harness open source?
Yes — it is released under MIT.
Can DeepSeek Harness replace Claude Code?
Our verdict on Claude Code is YES. OpenCode (192k stars), DeepSeek Harness (175k stars), Gemini CLI (106k stars) are mature open-source replacements for Claude Code — self-host in one command and stop paying $20/mo.
Can I self-host DeepSeek Harness?
Yes — we rate it medium to self-host, and it runs on your server.