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heilgar

Shadcn UI MCP Server

by heilgar

Shadcn UI MCP サーバー

Shadcn UIコンポーネントの開発エクスペリエンスを向上させるために設計された、強力で柔軟なMCP(モデル制御プロトコル)サーバーです。このサーバーは、高度なツールと機能を備え、UIコンポーネントの構築と管理のための堅牢な基盤を提供します。

特徴

ツール

MCP サーバーは、モデル制御プロトコルを通じて使用できる一連のツールを提供します。

  • list-components : 利用可能な shadcn/ui コンポーネントのリストを取得します。

  • get-component-docs : 特定のコンポーネントのドキュメントを取得する

  • install-component : shadcn/ui コンポーネントをインストールする

  • list-blocks : 利用可能なshadcn/uiブロックのリストを取得します

  • get-block-docs : 特定のブロックのドキュメントを取得する

  • install-blocks : shadcn/ui ブロックをインストールする

機能性

  • コンポーネント管理

    • 利用可能なshadcn/uiコンポーネントの一覧

    • 特定のコンポーネントの詳細なドキュメントを入手する

    • 複数のパッケージ マネージャー (npm、pnpm、yarn、bun) をサポートするコンポーネントをインストールします。

  • ブロック管理

    • 利用可能なshadcn/uiブロックの一覧

    • 特定のブロックのドキュメントとコードを入手する

    • 複数のパッケージマネージャーをサポートするインストールブロック

  • パッケージマネージャーのサポート

    • npm、pnpm、yarn、bun の柔軟なランタイム サポート

    • ユーザーの好みのパッケージマネージャーの自動検出

Related MCP server: aceternityui-mcp

インストール

前提条件

  • Node.js (v18以上)

  • npm または yarn パッケージマネージャー

クロードデスクトップ構成

Claude Desktop で使用するには、サーバー設定を追加します。

MacOS の場合: ~/Library/Application Support/Claude/claude_desktop_config.json Windows の場合: %APPDATA%/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "shadcn-ui-server": {
      "command": "npx",
      "args": ["@heilgar/shadcn-ui-mcp-server"]
    }
  }
}

ウィンドサーフィンの構成

これを./codeium/windsurf/model_config.jsonに追加します:

{
  "mcpServers": {
    "shadcn-ui-server": {
      "command": "npx",
      "args": ["@heilgar/shadcn-ui-mcp-server"]
    }
  }
}

カーソルの設定

これを.cursor/mcp.jsonに追加します:

{
  "mcpServers": {
    "shadcn-ui-server": {
      "command": "npx",
      "args": ["@heilgar/shadcn-ui-mcp-server"]
    }
  }
}

開発とデバッグ

地域開発

  1. 依存関係をインストールします:

npm install
  1. サーバーを構築します。

npm run build

デバッグ

MCPサーバーはstdio経由で通信するため、デバッグが困難になる場合があります。デバッグにはMCP Inspectorの使用をお勧めします。

npm run inspector

インスペクターはブラウザでデバッグ ツールにアクセスするための URL を提供し、次の操作が可能になります。

  • MCP通信を監視する

  • ツールの呼び出しと応答を検査する

  • サーバーの動作をデバッグする

  • リアルタイムログを表示する

関連プロジェクトと依存関係

このプロジェクトは、次のツールとライブラリを使用して構築されています。

ライセンス

MIT ライセンス - このプロジェクトはご自由にご自身の目的でご利用ください。

貢献

貢献を歓迎します!お気軽にプルリクエストを送信してください。

Available Tools

6 tools
get-block-docsD
ParametersJSON Schema
NameRequiredDescriptionDefault
blockYesName of the block to get documentation for

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get-component-docsD
ParametersJSON Schema
NameRequiredDescriptionDefault
componentYesName of the component to get documentation for

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

install-blocksD
ParametersJSON Schema
NameRequiredDescriptionDefault
blockYesName of the block to install
runtimeNoUser runtime (npm, pnpm, yarn, bun)

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

install-componentD
ParametersJSON Schema
NameRequiredDescriptionDefault
componentYesName of the component to install
runtimeNoUser runtime (npm, pnpm, yarn, bun)

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

list-blocksD
ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

list-componentsD
ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

D1/5.0
Behavior1/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness1/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Tool has no description.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Tool has no description.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose1/5

Does the description clearly state what the tool does and how it differs from similar tools?

Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines1/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Tool has no description.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 6 tool updatesv1.0.0
    • First observedget-block-docs
    • First observedget-component-docs
    • First observedinstall-blocks
    • First observedinstall-component
    • First observedlist-blocks
    • First observedlist-components

TDQS

C2.1/5.0

Scored across 6 tools

Disambiguation5/5

Each tool has a clearly distinct purpose with no overlap: get-block-docs and get-component-docs retrieve documentation, install-blocks and install-component handle installation, and list-blocks and list-components provide listings. The block/component distinction and action types (get, install, list) create unambiguous boundaries.

Naming Consistency5/5

All tools follow a perfect verb-noun pattern with consistent kebab-case formatting: get-block-docs, get-component-docs, install-blocks, install-component, list-blocks, list-components. The naming is completely predictable and follows the same structural convention throughout.

Tool Count4/5

Six tools is reasonable for a Shadcn UI server, covering documentation retrieval, installation, and listing for both blocks and components. While slightly minimal, it provides core functionality without being overwhelming. A few additional tools like update or search might enhance it but aren't essential.

Completeness4/5

The toolset covers the main workflows for Shadcn UI: discovering components/blocks (list), accessing documentation (get), and installation (install). Minor gaps exist, such as no update/uninstall tools or search functionality, but the core CRUD-like operations for this domain are well-represented.

Maintenance

ActivityInactive
ResponsivenessNo issues

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