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Master CSS

Master CSS

Local
css.master.coOther2.0kUpdated today
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About Master CSS

Master CSS is a CSS framework with tools for inspecting classes, generated CSS, and project stylesheets. It is for developers working with Master CSS who need to trace style changes and check rendered output.

Key features

  1. 01Inspect Master CSS classes
  2. 02Trace generated CSS changes
  3. 03Check project stylesheets
  4. 04Compare four rendering modes

Use cases

  1. 01Find which CSS a class generates
  2. 02Trace the effect of a style change
  3. 03Review rendering mode choices

MCP support

The MCP server provides AI clients with tools to inspect Master CSS classes, generated CSS, and project stylesheets.

Configuration

Local server config is the same for every client. Copy it into your client’s MCP config file.

mcp.json · Universal config
{
  "mcpServers": {
    "master-co-master-css": {
      "command": "npx",
      "args": [
        "-y",
        "@master/css-mcp"
      ]
    }
  }
}
Run commandnpx -y @master/css-mcp

Local servers need a runtime on your machine (e.g. Node.js 18+). Config file locations differ by client; see your client’s docs.

Packages
npm@master/css-mcp2.0.2

Tools

No tool list yet

Local servers expose tools only once running on your machine, and the maintainer has not provided a tool list.

Details

From the project README

Master CSS

Compose CSS and project design rules in markup, with tools to trace changes and verify generated styles.

GitHub release NPM package ( download / month ) JSDelivr hits (npm scoped) Follow @mastercorg Github release actions

Getting started

Read the installation guide to set up Master CSS for an application.

Compare the four rendering modes: static, runtime, prerender, and progressive.

Community

  • Documentation — Set up Master CSS and look up supported behavior.
  • GitHub Discussions — Ask questions, discuss ideas, and share your work. English and Chinese are welcome.
  • GitHub Issues — Report reproducible bugs and track implementation work.
  • Releases — Follow version changes and release notes.

Use Discussions for technical support so answers remain available to other users. Discord remains a secondary community space; real-time support is not guaranteed. See the support guide.

Our Code of Conduct applies to all Master CSS community channels.

Contributing

Please see our CONTRIBUTING for workflow.

Inspiration

Some of the core concepts and designs are inspired by these giants.

  • The concept of enhanced syntax is inspired by SASS and TypeScript
  • The concept of Virtual CSS is inspired by the Virtual DOM
  • CSS-first theme configuration and the @theme directive are inspired by Tailwind CSS.

Comments

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New to MCP?

From what the protocol is to installing your first server, these answers cover most first questions.

An open protocol that defines how AI applications connect to external tools and data in a uniform way. Clients talk to the model; MCP servers provide tools, resources and prompt templates. They exchange standard messages, so one server can be reused by many clients.