dsh-mermaid-image-preview

In the DeepSeek Harness web chat interface, Mermaid code blocks are often displayed as raw syntax text, making it hard to quickly grasp diagram content. The dsh-mermaid-image-preview plugin solves this by automatically rendering Mermaid syntax into images, allowing diagrams to be visualized directly within conversations for improved communication efficiency. Its core capabilities include a flexible rendering system: it defaults to local rendering for fast previews, and if that fails, it can fall back to an external rendering server like mermaid.ink with configuration. Users can adjust runtime settings on a settings card in real-time without restarting, and diagrams are shown as thumbnails—clicking enlarges them in place, and clicking again shrinks them back for easy interaction. It supports 14 common diagram types out of the box, with expandable options, and automatically adapts to light and dark themes. Whether you are a developer, data analyst, or anyone using Mermaid for documentation or presentations, this plugin can significantly boost your productivity in DeepSeek Harness, making it ideal for scenarios that require frequent visual communication with diagrams.