CowAgent vs deepseek-harness
deepseek-harness is much bigger: 223.4k stars against 47.0k. Over the days we have tracked them CowAgent moved +2.1% and deepseek-harness +109.9%, so deepseek-harness is growing faster right now.
CowAgent leads on model freedom. deepseek-harness does not take any axis by a clear margin.
Stars and commit dates come from our own daily tracking. The six axes are read off each project's documentation by our review pipeline, so they describe what a project says about itself, not what we measured in its code.
Where they stand today
A lightweight, full-featured Agent Harness with a one-click Skill Hub, built-in long-term memory, knowledge graph, and self-evolution features that combine multi-channel runtime and plugin skills.
- Stars
- 47.0k
- Tracked growth
- +2.1%
- Maturity
- ●●●●●
- Last commit
- 43m ago
- Language
- Python
- License
- MIT
- Cost to run
- Your API key for cloud models; can use local models.
A plugin-first agent harness where every component is a plugin, enabling highly composable agent workflows.
- Stars
- 223.4k
- Tracked growth
- +109.9%
- Maturity
- ●●●●●
- Last commit
- 3d ago
- Language
- TypeScript
- License
- MIT
- Cost to run
- Free, self-hosted
Six axes, head to head
Each axis runs 0 to 5. The label under a score is what that project's own docs claim, not a category average.
| Axis | CowAgent | deepseek-harness |
|---|---|---|
Context depth How much of your codebase it sees before it answers: the open diff, the diff plus related files, or the whole repository. | ●●●●● Diff only | ●●●●● Diff only |
Noise control How it keeps output volume down — severity thresholds, deduplication, incremental runs over new commits only. | ●●●●● None mentioned | ●●●●● No controls |
Customization How far it bends to your team: custom rules, prompts, style guides, per-path config. | ●●●●● Skills & plugins | ●●●●● Plugin-based |
Privacy Whether your code stays on your own infrastructure: fully local, self-hostable, or cloud API only. | ●●●●● Can run fully local | ●●●●● Self-hostable |
Model freedom Whether you can point it at any provider, or it is wired to one. | ●●●●● Any provider (BYOK) | ●●●●● Fixed provider only |
Setup ease What it takes to get a first useful run out of it. | ●●●●● One-line installer | ●●●●● One-command start |
Which one to pick
Pick CowAgent if…
Easy setup — one-line installer plus a unified Web console to run a multi-model, multi-channel agent with extensible Skills and local deployment options.
- Model freedom: Any provider (BYOK) (5/5 against 1/5)
Pick deepseek-harness if…
Extensible plugin architecture — pick this when you want a locally runnable, highly modular agent harness you can extend with custom plugins.
What people want from each one
zhayujie/CowAgent
Questions people ask
Is CowAgent better than deepseek-harness?
CowAgent leads on model freedom. deepseek-harness does not take any axis by a clear margin. CowAgent is worth picking when easy setup — one-line installer plus a unified Web console to run a multi-model, multi-channel agent with extensible Skills and local deployment options.
Which of CowAgent and deepseek-harness keeps my code private?
CowAgent: Can run fully local (5/5). deepseek-harness: Self-hostable (4/5).
What does each one cost to run?
CowAgent: Your API key for cloud models; can use local models.. deepseek-harness: Free, self-hosted.
Full profiles: zhayujie/CowAgent and deepseek-ai/deepseek-harness. Everything else in Agent SDKs & frameworks.