# DeepSeek Harness 63 Hacker News commenters recommended DeepSeek Harness and 28 criticized it, November 2025 to November 2026. It was recommended in 4 of 13 months; owners who said how long report a median of 0.04 years (5 owners). It meets the Hacker Approved badge rule. **Verdict:** Recommended as an open-source agent harness with good observability, a plugin system and a desktop app. Critics mostly question its plugin design and worry about data collection. ## Why people recommend it - Modular, extensible plugin design (4 comments): "Core exposes well defined extension seams, you don't need to patch those core plugins at all." ([source](https://news.ycombinator.com/item?id=49947637)) "It's modular by default so you can experiment freely, in-session." ([source](https://news.ycombinator.com/item?id=49287219)) "If everything is a plugin it means plugins can do everything." ([source](https://news.ycombinator.com/item?id=49287070)) - Cheap, productive results (4 comments): "it built a really nice app from 30 news sources via rss feeds for less than 50 cents" ([source](https://news.ycombinator.com/item?id=49929757)) "the result is spectacular and I would never had done it in ten lifetimes" ([source](https://news.ycombinator.com/item?id=49887965)) "You won't believe the productivity gains for just pennies" ([source](https://news.ycombinator.com/item?id=49645199)) - Full observability of prompts and tools (3 comments): "particularly good observability (the ability to see the full content of every prompt and response and tool call)" ([source](https://news.ycombinator.com/item?id=49930007)) "it gives you good overall observabiity, over your entire context" ([source](https://news.ycombinator.com/item?id=49932635)) "It's useful logs which i think is an important distinction." ([source](https://news.ycombinator.com/item?id=49287445)) - Open source, works with many providers (3 comments): "it works with many different providers out of the box and that's a great thing" ([source](https://news.ycombinator.com/item?id=49291756)) "It's utilized and maintained by a large lab dedicated to open source AI." ([source](https://news.ycombinator.com/item?id=49292294)) "I would be happier if it wasn't javascript-based, but it's open source" ([source](https://news.ycombinator.com/item?id=49296556)) ## What people warn about - Plugins need patches over time (2 comments): "the problem with "Everything Is A Plugin" is that when this includes core functionality, you still have to maintain downstream patches" ([source](https://news.ycombinator.com/item?id=49933838)) "Every product relying on "community plugins" for their features implies it works fine the 6 first months, then it's a nightmare" ([source](https://news.ycombinator.com/item?id=49286902)) - Privacy and data collection worries (3 comments): "their approaches are generally leaning on gathering as much user data as possible" ([source](https://news.ycombinator.com/item?id=49934827)) "Why else would they offer their own harness except to steal your data?" ([source](https://news.ycombinator.com/item?id=49934734)) "suck in all of your laptop and everything else from your network" ([source](https://news.ycombinator.com/item?id=49930062)) - Electron and JavaScript based app (2 comments): "I would be happier if it wasn't javascript-based, but it's open source" ([source](https://news.ycombinator.com/item?id=49296556)) "I find it hilarious that all the AI harnesses are Electron crap." ([source](https://news.ycombinator.com/item?id=49933469)) ## Alternatives hackers recommend - [GitHub Copilot](https://hackerapproved.com/p/github-copilot.md): 571 recommend - [oh-my-pi](https://hackerapproved.com/p/oh-my-pi.md): 104 recommend - [Grok Build CLI](https://hackerapproved.com/p/grok-build.md): 66 recommend - [Claude Code VS Code extension](https://hackerapproved.com/p/claude-code-vs-code-extension.md): 31 recommend - [Antigravity CLI](https://hackerapproved.com/p/antigravity-cli.md): 31 recommend ## Cite as Hacker Approved, "DeepSeek Harness", https://hackerapproved.com/p/deepseek-harness/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).