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

Agent Harnesses 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 Agent Harnesses 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 Agent Harnesses and Shadcn Ui MCP Server free or paid?

Agent Harnesses 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?

Agent Harnesses lists 6 tools with 3 views and 936 GitHub stars. Shadcn Ui MCP Server lists 10 tools with 3 views and 2,999 GitHub stars.

Can I use both Agent Harnesses 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

Agent Harnesses vs Shadcn Ui MCP Server

In-depth architectural comparison of the Agent Harnesses 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

Agent Harnesses

Developer Tools · Local stdio

Quality: 48/100 (Fair) | Auth: No auth required

Shadcn Ui MCP Server

Developer Tools · Local stdio

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

Verdict Summary: Choose Agent Harnesses 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 Agent Harnesses 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: MCP-accessible harness catalog, Harness recommendations, Model- and task-oriented selection.

Explore Agent Harnesses 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: get_component, get_component_demo, list_components.

Feature & Specification Comparison

Specification	Agent Harnesses Developer Tools	Shadcn Ui MCP Server Jpisnice Developer Tools
Summary	Agent-harness picks, search, and decision guides over a curated, weekly-rescored list of 110.	MCP server that gives AI assistants seamless access to shadcn/ui v4 components, blocks, demos, and metadata.
Category & Scope	Developer Tools

Tools & Capabilities Breakdown

Agent Harnesses Tools (6)

MCP-accessible harness catalog

Harness recommendations

Model- and task-oriented selection

Capability, autonomy, and recovery filtering

Comparison guides across agent categories

llms.txt and JSON data exports

Shadcn Ui MCP Server Tools (10)

get_component

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

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).

Agent Harnesses Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "agent-harnesses": {
      "command": "uvx",
      "args": [
        "agent-harnesses-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

Agent Harnesses 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 Agent Harnesses when you need capabilities focused on developer tools and Shadcn Ui MCP Server when you require tools for developer tools.

More alternatives to Agent Harnesses More alternatives to Shadcn Ui MCP Server Developer Tools category hub