What is the key difference between Shadcn Ui MCP Server and Reletter?

Shadcn Ui MCP Server belongs to the Developer Tools category with local stdio execution, while Reletter belongs to the Developer Tools category with cloud HTTP/SSE execution.

How do I install Shadcn Ui MCP Server or Reletter in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Shadcn Ui MCP Server and Reletter free or paid?

Shadcn Ui MCP Server operates under a Free / Open Source model (API Key required). Reletter operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Shadcn Ui MCP Server lists 10 tools with 3 views and 2,999 GitHub stars. Reletter lists 11 tools with 0 views and 0 GitHub stars.

Can I use both Shadcn Ui MCP Server and Reletter together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Shadcn Ui MCP Server vs Reletter

In-depth architectural comparison of the Shadcn Ui MCP Server and Reletter MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Shadcn Ui MCP Server

Developer Tools · Local stdio

Quality: 68/100 (Great) | Auth: API Key required

Reletter

Developer Tools · Remote HTTP/SSE

Quality: 44/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Shadcn Ui MCP Server if you need specialized Developer Tools tools running via a local process. Choose Reletter if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Shadcn Ui MCP Server when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: MCP_TRANSPORT_MODE, MCP_PORT, MCP_HOST, MCP_CORS_ORIGINS, GITHUB_PERSONAL_ACCESS_TOKEN, UI_LIBRARY.
Primary tools included: get_component, get_component_demo, list_components.

Explore Shadcn Ui MCP Server Details

Choose Reletter when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: search_publications, search_issues, autocomplete.

Feature & Specification Comparison

Specification	Shadcn Ui MCP Server Jpisnice Developer Tools	Reletter Developer Tools
Summary	MCP server that gives AI assistants seamless access to shadcn/ui v4 components, blocks, demos, and metadata.	Search and analyze 7M+ newsletters, issues, contacts, and chart rankings from Reletter.
Category & Scope	Developer Tools	Developer Tools

Tools & Capabilities Breakdown

Shadcn Ui MCP Server Tools (10)

get_component

Get the source code for a specific shadcn/ui v4 component

get_component_demo

Get demo code illustrating how a shadcn/ui v4 component should be used

list_components

Get all available shadcn/ui v4 components

get_component_metadata

Get metadata for a specific shadcn/ui v4 component

get_directory_structure

Get the directory structure of the shadcn-ui v4 repository

get_block

Get source code for a specific shadcn/ui v4 block (e.g., calendar-01, dashboard-01)

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Shadcn Ui MCP Server Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "jpisnice-shadcn-ui-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@jpisnice/shadcn-ui-mcp-server"
      ],
      "env": {
        "MCP_TRANSPORT_MODE": "YOUR_MCP_TRANSPORT_MODE_HERE",
        "MCP_PORT": "YOUR_MCP_PORT_HERE",
        "MCP_HOST": "YOUR_MCP_HOST_HERE",
        "MCP_CORS_ORIGINS": "YOUR_MCP_CORS_ORIGINS_HERE",
        "GITHUB_PERSONAL_ACCESS_TOKEN": "YOUR_GITHUB_PERSONAL_ACCESS_TOKEN_HERE",
        "UI_LIBRARY": "YOUR_UI_LIBRARY_HERE"
      }
    }
  }
}

Reletter Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "reletter": {
      "url": "https://api.reletter.com/api/payments/buy/"
    }
  }
}

Frequently Asked Questions

Shadcn Ui MCP Server is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Reletter belongs to Developer Tools using remote streaming HTTP/SSE transport. Select Shadcn Ui MCP Server when you need capabilities focused on developer tools and Reletter when you require tools for developer tools.

More alternatives to Shadcn Ui MCP Server More alternatives to Reletter Developer Tools category hub