Katsuragi
The facts below are what the maker publishes about Katsuragi, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Katsuragi's own pages, with the date it was checked.
What it does
- AI coding tools
- The README gives Claude Code, Cursor, and Aider as examples of LLM-powered CLI tools that can use the format.checked 11 Oct 2026
- AI compatibility
- The README says .kui files work with any LLM and names ChatGPT, Claude, Gemini, and local models as examples.checked 11 Oct 2026
- Audience
- The project names developers discussing UI with non-technical stakeholders, engineers using AI coding assistants, and teams wanting git-diffable UI specs as its intended users.checked 11 Oct 2026
- Batch conversion
- The CLI supports converting multiple .kui files in one batch.checked 4 Oct 2026
- CLI
- Katsuragi can be run with npx or installed globally from npm as a command-line tool.checked 4 Oct 2026
- Command line
- The README documents one-time use with npx and global installation with npm install -g katsuragi.checked 11 Oct 2026
- Conversion limits
- The fetch command does not execute JavaScript, so single-page apps with client-side rendering may not work properly; it also does not analyze CSS and estimates layout from document structure.checked 11 Oct 2026
- Editor integrations
- The README describes workflows with Claude Code, Cursor, Aider, and other LLM-powered CLI tools.checked 4 Oct 2026
- Exports
- The CLI can output SVG, PNG, or HTML, with SVG as the default format.checked 11 Oct 2026
- Fetch limitation
- The fetch command does not execute JavaScript, so single-page apps with client-side rendering may not work properly.checked 4 Oct 2026
- Format features
- The .kui format supports grids, reusable color names, built-in themes, text, boxes, buttons, inputs, and image placeholders.checked 11 Oct 2026
- Layout limitation
- The fetch command does not analyze CSS and estimates layout from document structure.checked 4 Oct 2026
- License
- The repository identifies Katsuragi as MIT licensed.checked 11 Oct 2026
- Live preview
- The watch command provides browser live preview with auto-reload when a file is saved.checked 11 Oct 2026
- Maintainer
- The package lists En-Links LLC as its author.checked 4 Oct 2026
- Output formats
- The CLI can generate SVG, PNG, or HTML output, with SVG as the default format.checked 4 Oct 2026
- Output size
- The README states that the generated image's longest edge is fixed at 1280 pixels and the shorter edge is calculated from the aspect ratio.checked 11 Oct 2026
- Purpose
- Katsuragi turns UI ideas into wireframes using a text format that AI can read and write.checked 11 Oct 2026
- Runtime requirement
- The package specifies Node.js version 18.0.0 or later.checked 4 Oct 2026
- Webpage conversion
- The fetch command converts webpages to .kui wireframes and supports desktop, mobile, and tablet viewport options.checked 11 Oct 2026
The company
- Maker location
- The maker's GitHub organization profile lists Japan as its location.checked 11 Oct 2026
Where it runs
- Text wrapping
- Automatic text wrapping is not supported; the README says to insert line breaks manually for long text.checked 11 Oct 2026
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