Canvas & Generative UI
dsh-visualize
The model draws interactive HTML cards directly into the conversation stream.
What it is
A visualize tool plus companion skill: the model writes an HTML fragment and mounts it as a sandboxed interactive card inside the chat — simulators, charts, comparison panels and UI mockups, with streaming preview and theme-matched styling.
DSH does not have to answer with text alone. When the model calls visualize, the Web UI renders an interactive card inside the conversation for simulators, charts, comparison panels, and UI mockups.
Why it matters for design
- UI mockups live in the conversation and can be clicked, not just described.
- Cards follow the host light/dark theme and palette, so previews look native.
- Every card runs in a sandboxed iframe with a strict CSP — a broken fragment cannot break the session.
What it covers
- Install
- Use it
- Security
- Limitations
How to install
dsh-visualize
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Run this in a terminal.
dsh plugin --profile web add github:Nagi-ovo/dsh-visualize -
Restart dsh web so it picks up the plugin.
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Then describe the design you want. The harness picks up the plugin’s tools.
How to run it with DeepSeek Harness
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Add the plugin and restart dsh web.
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Ask for a mockup or a comparison; the model calls visualize with its own HTML.
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Replay the session later — cards are restored from the persisted tool result.
Every plugin here is free to install and links to its real upstream source.
More in the DeepSeek Harness repo ↗More DeepSeek Harness design plugins
Vision & Input What it does modlens Gives text-only DeepSeek models plug-in vision: paste a screenshot, get structured evidence. 
Vision & Input What it does dsh-vision-toolkit Ten vision tools for UI restoration, grounding and pixel-diff verification. 
Vision & Input What it does dsh-ui-spec Turns UI screenshots into implementation-grade specs: tokens, spacing scale, layout grid. 
Vision & Input What it does dsh-media-skills Free eyes and a free paintbrush: paste-image reading plus watermark-free image generation. Next step
Design with NEXGERCORE, without the setup
Install this plugin yourself, or run a whole curated design layer around DeepSeek Harness with NEXGERCORE. Bring your own key, own your output.