Comparison
DeepSeek Harness vs Jev
People have published 187 builds with DeepSeek Harness and 180 with Jev, overlapping in 8 use cases. DeepSeek Harness has more productivity, coding examples; Jev has more agents.
DeepSeek Harness
DeepSeek's MIT-licensed open-source agent harness built on the Cordis meta-framework, where models, tools, skills, sessions and UI are all plugins. Harness Desktop for macOS and Windows followed on 2026-10-02.
- 187
- Entries
- 174
- Creators
- GitHub, X, YouTube
- Top source
Jev
Jev is TypeSafe AI's first public System One decision model: it answers closed questions (labels, yes/no, scores, choices) with structured output in milliseconds for a fraction of a cent, rather than generating prose.
- 180
- Entries
- 164
- Creators
- X, GitHub, Web
- Top source
Same use case, side by side
Use caseDeepSeek HarnessJev
Productivity
DeepSeek Harness · 44 entriesdsh-desktop: Packaged desktop edition of DeepSeek Harness from DataElement, giving
Coding
DeepSeek Harness · 41 entriesDeepSeek Harness: official open-source agent harness where everything is a plugin
Agents
DeepSeek Harness · 18 entriesjev-dsh-decision: Structured decision-engine plugin for agent harnesses that natively su
Automation
DeepSeek Harness · 20 entriesdsh-routing-suite: Routing kit that injects a runtime layer and a task-aware router into
Games
Design
DeepSeek Harness · 27 entriesdsh-deep-whale: Series of whale-girl skins that restyle the DeepSeek Harness interface
Research
DeepSeek Harness · 7 entriesclearai-dsh: Native dsh plugin implementing an epistemic loop so the agent checks a
Business
DeepSeek Harness · 7 entriesjingyun-dsh: Desktop client built on Jingyun Studio and dsh that packages agents, s
Top builds with DeepSeek Harness
- 1DeepSeek Harness: official open-source agent harness where everything is a pluginon GitHub:deepseek-ai· 245.1K stars

- 2dsh-desktop: Desktop app for the DeepSeek Harness plugin ecosystem where the desktoon GitHub:anywhere-labs· 30.1K stars

- 3dsh-desktop: Packaged desktop edition of DeepSeek Harness from DataElement, givingon GitHub:dataelement· 12.2K stars

- 4dsh-routing-suite: Routing kit that injects a runtime layer and a task-aware router intoon GitHub:yjh051108· 7K stars

- 5dsh-market: Visual plugin market living inside DeepSeek Harnesson GitHub:dsh-market· 5.7K stars

Top builds with Jev
- 1laya: Non-autoregressive System 1 decision engine. Typed choice, score and yon GitHub:NandhaKishorM· 31.4K starsNandhaKishorM/laya
- 2jev-ultrafast: Fastest and cheapest web agenton GitHub:browser-use· 22.3K stars

- 3kev: Jev-like family of decision models built on top of Qwen3.5/3.8 you canon GitHub:jaredpalmer· 8.6K stars

- 4jev-chat-jarvis: The chat decision assistant: before you reply, Jev reads the chat, judon GitHub:jev-chat· 7.4K stars

- 5fast-jev-compaction: Claude Code plugin that replaces the compaction summary with Jev…on GitHub:tamaratran· 7.5K stars
