What Happened
DeepSeek Harness (DSH for short) is DeepSeek's official open-source agent framework, built around the idea that everything is a plugin. It already has over 270K Stars on GitHub. Many people use it to write code and run long tasks.
After using it for a while, people run into much the same problems: costs keep climbing, context is lost when you start a new session, it can't see images, web search doesn't work well, and there are so many plugins that it's hard to know which to install. The good news is that high-Star community projects already address all five of these problems. Below, each problem is matched with one project, so you can install what you need.
1. Token Usage Keeps Growing and You Don't Know Where the Money Goes: dsh-context
dsh-context (about 4.4K Stars) lays out DSH's context so you can see it:
- What's loaded into the context and how much space each part takes
- Cache hit rate, token consumption, and the latency of each model call
- How much each Subagent (sub-agent) uses
When DSH gets slow or expensive, installing this and taking a look is far more useful than guessing.
2. Start a New Session and the Agent Forgets Everything: MemOS
MemOS (about 12K Stars) is a long-term memory system for AI agents, and it already supports connecting to DSH:
- Remembers your projects and preferences across sessions
- Automatically recalls relevant content when needed
- Hybrid retrieval for more accurate results
There is a local version, so your memory data doesn't have to be sent to the cloud.
3. DeepSeek Can't Read Images or Screenshots: ModLens
DeepSeek's models only read text. ModLens (about 4.8K Stars) adds a "vision bridge" to it: it uses other vision models to analyze images, extract text (OCR), layout, and meaning, and then passes the result to DSH.
Front-end UI screenshots, error pop-ups, and charts can all be pasted in, and it will understand them.
4. Web Search Is Clunky and Needs a Separate API: ModSearch
ModSearch (about 950 Stars) adds web search, web page content fetching, and X search to DSH:
- The default channel requires no registration and no API key, so it works right after installation
- Multiple search sources; if one fails, it automatically switches to the next
The free channels have usage limits, so if you search a lot, you will still want to configure your own key.
5. Too Many Plugins, Not Sure Which to Install: awesome-dsh-plugin
awesome-dsh-plugin (about 23K Stars) is a curated list of DSH plugins compiled by the community, organized by category. Start here when you're looking for a plugin.
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