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shadcnui-official

shadcnui-official is an MCP server for Cursor from blockmatic/basilic. Its token cost is not measured, scanned A, original, MIT.

A local tool for adding shadcn/ui interface components to an application. shadcn/ui is a collection of reusable building blocks for web interfaces.

In plain words
What is it for?
Use it when adding shadcn/ui components to a web application through a locally running tool.
Why use it?
It lets a coding agent use the official component definitions and variants through the shadcn command-line tool instead of manually setting up that connection.

MCP server for Cursor

Written for Cursor: installed under .cursor/. Also seen: listed in .cursor/mcp.json.

One of 9 entries in mcp.json upstream. Installing this one merges just its entry into your config; the other 8 are separate, each on its own page.

not rated 89repo yesterday A scan Socket: warn tokens not measured original MIT

Good fit Use it when adding shadcn/ui components to a web application through a locally running tool.

Compare 6 mcp servers from other repositories ↓
Install with agentmods
npx agentmods add mcp/blockmatic/basilic/shadcnui-official
View source ↗ blockmatic/basilic basilic-docs.vercel.app
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/blockmatic/basilic

Made for: Cursor.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for shadcnui-official

README.md
[![agentmods](https://agentmods.dev/badge/mcp/blockmatic/basilic/shadcnui-official.svg)](https://agentmods.dev/mcp/blockmatic/basilic/shadcnui-official)
Your own site
<a href="https://agentmods.dev/mcp/blockmatic/basilic/shadcnui-official"><img src="https://agentmods.dev/badge/mcp/blockmatic/basilic/shadcnui-official.svg" alt="Measured on agentmods" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured Not applicable: nothing here is loaded into a session.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits How audits are shown
Origin original No closer match found in the catalogue.
Security

Grade A, and why

shadcnui-official scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.cursor/mcp.json · 10 lines

What it actually says

{
  "shadcnui-official": {
    "command": "npx",
    "args": [
      "shadcn@latest",
      "mcp"
    ],
    "description": "Official shadcn/ui components, variants, and definitions"
  }
}
Same file

What else mcp.json configures

This page is one entry in a file that holds 9. Installing the file brings all of them; each is measured and scanned on its own page.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 10 lines scan A 2ca1eec30e66

Subscribe to this mod's changes

shadcnui-official is an MCP server published in the GitHub repository blockmatic/basilic (89 stars, last pushed yesterday), licensed MIT. Its token cost is not measured: an MCP server costs its tool schemas, not its config file. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-06.

Frontend
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