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

Hammerspoon MCP belongs to the Developer Tools category with local stdio execution, while Shadcn Ui MCP Server belongs to the Developer Tools category with local stdio execution.

How do I install Hammerspoon MCP or Shadcn Ui MCP Server 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 Hammerspoon MCP and Shadcn Ui MCP Server free or paid?

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

Which MCP server has more tools and community activity?

Hammerspoon MCP lists 24 tools with 0 views and 1 GitHub stars. Shadcn Ui MCP Server lists 6 tools with 2 views and 2,980 GitHub stars.

Can I use both Hammerspoon MCP and Shadcn Ui MCP Server 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

Hammerspoon MCP vs Shadcn Ui MCP Server

In-depth architectural comparison of the Hammerspoon MCP and Shadcn Ui MCP Server 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

Hammerspoon MCP

Developer Tools · Local stdio

Quality: 56/100 (Good) | Auth: No auth required

Shadcn Ui MCP Server

Developer Tools · Local stdio

Quality: 52/100 (Good) | Auth: API Key required

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

Which MCP Server Should You Choose?

Choose Hammerspoon MCP when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: hs_health, hs_api_search, hs_console_tail.

Explore Hammerspoon MCP Details

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: Multi-framework support: React, Svelte, Vue, React Native, Provides TypeScript source code and component demos, Supports complete UI blocks like dashboards, calendars, forms.

Feature & Specification Comparison

Specification	H Hammerspoon MCP Developer Tools	Shadcn Ui MCP Server Jpisnice Developer Tools
Summary	Control macOS through Hammerspoon: windows, apps, and API search. Injection-safe by design.	MCP server that gives AI assistants seamless access to shadcn/ui v4 components, blocks, demos, and metadata.
Category & Scope	Developer Tools

Tools & Capabilities Breakdown

Hammerspoon MCP Tools (24)

hs_health

Report bridge status: resolved `hs` path, whether Hammerspoon answers, its version.

hs_api_search

Search Hammerspoon's bundled API reference and return exact signatures.

hs_console_tail

Return the last N lines of the Hammerspoon console.

hs_reload_config

Reload `~/.hammerspoon/init.lua`.

hs_notify

Show a transient on-screen alert, without stealing focus.

hs_list_windows

List windows, with id, title, owning app, screen, and frame.

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).

Hammerspoon MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "hammerspoon-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@vukvukovich/hammerspoon-mcp"
      ]
    }
  }
}

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"
      }
    }
  }
}

Frequently Asked Questions

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

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