Roast My Design System MCP Server

A free CLI tool (and Claude Code skill) that roasts your repo's design system with real data, then generates the rules that keep your AI agent on-system. It runs locally over stdio via the published package.

People who work with claude code plugin, design system and skill and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in JavaScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-18 · ★ 17 · #14 OF 168 MAINTAINED DEVELOPER TOOLS · VERIFIED 2026-09-18

MIT · JavaScript servers · how we verify → /methodology

01 · Install Roast My Design System

Claude Code

claude mcp add pencilrebel-roast-my-design-system -- npx -y roast-my-design-system

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "pencilrebel-roast-my-design-system": {
      "command": "npx",
      "args": [
        "-y",
        "roast-my-design-system"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

repo age created 2026-07-23 - young repo, little track record yet

license MIT - declared in the repository

npm package roast-my-design-system - unscoped; check the name against the project README before installing

registry namespace io.github.pencilrebel is GitHub-verified and matches the repo owner

03 · What Roast My Design System can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v8.1.1 · 2026-09-17

Directory review chores. No change to the scan, the score or the report. · The MCP tools carry a title and annotations. All five are marked · read-only, so a client can run them without asking on every call. · The MCP…

v8.1.0 · 2026-09-17

The MCP server learns what the report learned in 7.10 and 8.0: the four · component kits and the Tailwind theme. · The server reads a kit repo as a kit repo. On a product built on MUI, · Mantine, Chakra UI or Ant…

v8.0.1 · 2026-09-17

Copy only. No change to the scan, the score or the report. · The benchmark count is stated the same way everywhere: 112 public repos. · That is the 34-repo core fleet plus the 78 repos scanned for the shadcn…

04 · Who maintains Roast My Design System

Roast My Design System is maintained by pencilrebel. It's the only MCP server we track from this author; the repo dates to Jul 2026.

05 · Facts

category
developer tools - ranked #14 of 168 actively-maintained developer tools servers as of 2026-09-18.
release cadence
10+ releases in the last 90 days (latest 2026-09-17)
registry
io.github.pencilrebel/roast-my-design-system (active, first published 2026-08-20 · 5 versions)
packages
npm:roast-my-design-system

06 · Roast My Design System FAQ

What is Roast My Design System?

A free CLI tool (and Claude Code skill) that roasts your repo's design system with real data, then generates the rules that keep your AI agent on-system. It runs locally over stdio via the published package.

Is Roast My Design System still maintained?

Yes - as of 2026-09-18, its last commit was 2026-09-18 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Roast My Design System?

Run `npx -y roast-my-design-system`. You can also paste the ready-made client config above.

Does Roast My Design System run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

07 · Alternatives to Roast My Design System

More developer tools MCP servers · Prodlint · LiveCheck AI · Crashdx · Misata · Claudexor

More JavaScript MCP servers · Pendpost · Multi Scraper MCP · Dav MCP · Health Export MCP · Mainstreet · see all