How do I install Arctura Reef — counterfactual evidence engine (synthetic) 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 Arctura Reef — counterfactual evidence engine (synthetic) and Shadcn Ui Mcp Server free or paid?

Arctura Reef — counterfactual evidence engine (synthetic) 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?

Arctura Reef — counterfactual evidence engine (synthetic) lists 0 tools with 0 views and 0 GitHub stars. Shadcn Ui Mcp Server lists 6 tools with 2 views and 2,926 GitHub stars.

Can I use both Arctura Reef — counterfactual evidence engine (synthetic) 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.

What is the main functional difference between Arctura Reef — counterfactual evidence engine (synthetic) and Shadcn Ui Mcp Server?

Arctura Reef — counterfactual evidence engine (synthetic) is categorized under Developer Tools and uses a remote streaming HTTP/SSE transport . In contrast, Shadcn Ui Mcp Server belongs to Developer Tools using local stdio subprocess . Select Arctura Reef — counterfactual evidence engine (synthetic) when you need capabilities focused on developer tools and Shadcn Ui Mcp Server when you require tools for developer tools .

How do I install Arctura Reef — counterfactual evidence engine (synthetic) or Shadcn Ui Mcp Server in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Arctura Reef — counterfactual evidence engine (synthetic) and Shadcn Ui Mcp Server free to use, or do they require API keys?

Arctura Reef — counterfactual evidence engine (synthetic) is listed under a Free / Open Source model with No auth required . Shadcn Ui Mcp Server operates under a Free / Open Source model with API Key required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Arctura Reef — counterfactual evidence engine (synthetic) and Shadcn Ui Mcp Server at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both arctura-reef-counterfactual-evidence-engine-synthetic and jpisnice-shadcn-ui-mcp-server as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Arctura Reef — counterfactual evidence engine (synthetic) has a Quality Score of 42 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars. Shadcn Ui Mcp Server holds a Quality Score of 53 /100 ( Good ) with 2 views, 0 installs, and 2,926 GitHub stars.

Arctura Reef — counte… vs Shadcn Ui Mcp Server

Q: What is the key difference between Arctura Reef — counterfactual evidence engine (synthetic) and Shadcn Ui Mcp Server?

Arctura Reef — counterfactual evidence engine (synthetic) belongs to the Developer Tools category with cloud HTTP/SSE execution, while Shadcn Ui Mcp Server belongs to the Developer Tools category with local stdio execution.

Arctura Reef — counte… vs Shadcn Ui Mcp Server | AllMCPs

Feature & Specification Comparison

Specification	A Arctura Reef — counterfactual evidence engine (synthetic) Developer Tools	Shadcn Ui Mcp Server Jpisnice Developer Tools
Summary	Deterministic same-seed but-for twin for battery fleets — synthetic-only (DR-236)	MCP server that gives AI assistants seamless access to shadcn/ui v4 components, blocks, demos, and metadata.
Category & Scope	Developer Tools	Developer Tools
Quality signal	42/100 (Fair)	53/100 (Good)
Transport Protocol	Remote HTTP/SSE	Local Subprocess (stdio)
Auth Requirement	No auth required	API Key required
Pricing Model	Free / Open Source	Free / Open Source
Required Env Vars	None required	`MCP_TRANSPORT_MODEMCP_PORTMCP_HOSTMCP_CORS_ORIGINSGITHUB_PERSONAL_ACCESS_TOKENUI_LIBRARY`
Compatible Clients	Claude DesktopCursorWindsurfClineVS Code	Claude DesktopCursorWindsurfClineVS Code
Install path signal	`Remote (HTTP/SSE) · medium`	`npx · high`
Engagement & Health	0 views 0 copies 0 upvotes	2 views 0 copies 0 upvotes 2,926 stars
Verified / Official	Community Listing	Community Listing
Open full listing	View Arctura Reef — counterfactual evidence engine (synthetic) Listing	View Shadcn Ui Mcp Server Listing

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).

Arctura Reef — counterfactual evidence engine (synthetic) Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "arctura-reef-counterfactual-evidence-engine-synthetic": {
      "url": "https://reef.neurflow.fi"
    }
  }
}

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"
      }
    }
  }
}

Arctura Reef — counterfactual evidence engine (synthetic) vs Shadcn Ui Mcp Server

At a Glance & Executive Verdict

Which MCP Server Should You Choose?

Choose Arctura Reef — counterfactual evidence engine (synthetic) when:

Choose Shadcn Ui Mcp Server when:

Feature & Specification Comparison

Tools & Capabilities Breakdown

Arctura Reef — counterfactual evidence engine (synthetic) Tools (0)

Shadcn Ui Mcp Server Tools (6)

Ready-to-Paste Client Configurations

Frequently Asked Questions

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