What is the key difference between Marketplace and Purple Grain?

Marketplace belongs to the Developer Tools category with cloud HTTP/SSE execution, while Purple Grain belongs to the Developer Tools category with local stdio execution.

How do I install Marketplace or Purple Grain 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 Marketplace and Purple Grain free or paid?

Marketplace operates under a Free / Open Source model (No auth required). Purple Grain operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Marketplace lists 0 tools with 0 views and 0 GitHub stars. Purple Grain lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Marketplace and Purple Grain 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.

How do I install Marketplace or Purple Grain 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 Marketplace and Purple Grain free to use, or do they require API keys?

Marketplace is listed under a Free / Open Source model with No auth required . Purple Grain operates under a Free / Open Source model with No auth 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 Marketplace and Purple Grain at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both marketplace-2 and purple-grain 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, Marketplace has a Quality Score of 44 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars. Purple Grain holds a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Marketplace vs Purple Grain

In-depth architectural comparison of the Marketplace and Purple Grain 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

Marketplace

Developer Tools · Remote HTTP/SSE

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

Purple Grain

Developer Tools · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Marketplace if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Purple Grain 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 Marketplace 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).

Explore Marketplace Details

Choose Purple Grain 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).

Explore Purple Grain Details

Feature & Specification Comparison

Specification	M Marketplace Developer Tools	P Purple Grain Developer Tools
Summary	Book, reschedule and cancel appointments at any business on the BookingMaven marketplace.	Search and book agricultural contracting services on the Purple Grain marketplace.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Marketplace Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Purple Grain Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

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).

Marketplace Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "marketplace-2": {
      "url": "https://bookingmaven.com"
    }
  }
}

Purple Grain Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "purple-grain": {
      "command": "npx",
      "args": [
        "-y",
        "purple-grain"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Marketplace More alternatives to Purple Grain Developer Tools category hub