What is the key difference between Rubygems and Npm?

Rubygems belongs to the Developer Tools category with local stdio execution, while Npm belongs to the Developer Tools category with local stdio execution.

How do I install Rubygems or Npm 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 Rubygems and Npm free or paid?

Rubygems operates under a Free / Open Source model (No auth required). Npm operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Rubygems lists 0 tools with 0 views and 0 GitHub stars. Npm lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Rubygems and Npm 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

Rubygems vs Npm

In-depth architectural comparison of the Rubygems and Npm 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

Rubygems

Developer Tools · Local stdio

Quality: 25/100 (Emerging) | Auth: No auth required

Npm

Developer Tools · Local stdio

Quality: 25/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Rubygems if you need specialized Developer Tools tools running via a local process. Choose Npm 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 Rubygems 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 Rubygems Details

Choose Npm 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 Npm Details

Feature & Specification Comparison

Specification	R Rubygems Developer Tools	N Npm Developer Tools
Summary	RubyGems MCP — wraps the RubyGems.org public API (free, no auth)	npm MCP — wraps the npm Registry API (free, no auth)
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Rubygems Tools (0)

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

Npm 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).

Rubygems Configuration

mcpServers (Claude Desktop / Cursor)

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

Npm Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

More alternatives to Rubygems More alternatives to Npm Developer Tools category hub Canonical compare URL

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