Design Md Firefox
Description
Firefox extension that extracts styles from any websites and generates DESIGN.md and SKILL.md files for Google Stitch, Claude Design, Codex and Cursor
Installation
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open the source below and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
README
TypeUI DESIGN.md Extractor (Firefox Extension)
This Firefox extension extracts styles and information from a given site and generates a `DESIGN.md` or `SKILL.md` file that you can use with tools such as Google Stitch, Claude Code, Codex, and others to build websites with a given design system blueprint. The file is based on the open-source [TypeUI DESIGN.md](https://www.typeui.sh/design-md) format.
Getting started
Load the extension in Firefox:
- Open
about:debugging#/runtime/this-firefox - Click Load Temporary Add-on...
- Select this project's
manifest.json - Pin the extension and open the popup on any regular website tab
To distribute publicly, package and sign the add-on through AMO.
Curated design skills
Check out curated design systems at [typeui.sh/design-skills](https://www.typeui.sh/design-skills).
Available actions
| Action | Description |
|---|---|
| Auto-extract | Reads styles from the active tab (typography, colors, spacing, radius, shadows, motion). |
Generate DESIGN.md |
Produces design-system documentation markdown from extracted signals. |
Generate SKILL.md |
Produces agent-ready skill markdown from extracted signals. |
| Refresh | Re-runs extraction for the current page state. |
| Download | Saves generated output as DESIGN.md or SKILL.md. |
Explain (?) |
Shows how the file was generated, with TypeUI reference. |
Generated file structure
The generated markdown follows this structure:
| Section | What it does |
|---|---|
Mission |
Defines the design-system objective for the extracted site. |
Brand |
Captures product/brand context, URL, audience, and product surface. |
Style Foundations |
Lists inferred visual tokens and foundations. |
Accessibility |
Applies WCAG 2.2 AA requirements and interaction constraints. |
Writing Tone |
S |
Related Skills
Algorithmic Art
Create generative art using p5.js with seeded randomness, flow fields, and particle systems
Design Brand Guidelines
Apply Anthropic's official brand colors and typography to artifacts
Design Canvas Design
Create beautiful visual art in PNG and PDF documents using design philosophy
Design Frontend Design
Create distinctive, production-grade frontend interfaces with high design quality
Design Slack Gif Creator
Create animated GIFs optimized for Slack's size constraints
Design Theme Factory
Style artifacts with professional themes including 10 pre-set color/font combinations
Design Related Agents
Codemod Runner
Writes and runs codemod scripts that replace hardcoded visual values with token references in ui/src/index.css
Designguru
Expert Design Guidance & Analysis Specialist who provides professional UI/UX insights, design system guidance,
Html Css
| Web standards for semantic markup, maintainable styling, and accessibility. | - | [wshobson/agents](https://