What is the key difference between Npm and Solar MCP?

Npm belongs to the Developer Tools category with cloud HTTP/SSE execution, while Solar MCP belongs to the Developer Tools category with local stdio execution.

How do I install Npm or Solar MCP 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 Npm and Solar MCP free or paid?

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

Which MCP server has more tools and community activity?

Npm lists 5 tools with 0 views and 0 GitHub stars. Solar MCP lists 7 tools with 0 views and 2 GitHub stars.

Can I use both Npm and Solar MCP 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

Npm vs Solar MCP

In-depth architectural comparison of the Npm and Solar MCP 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

Npm

Developer Tools · Remote HTTP/SSE

Quality: 55/100 (Good) | Auth: No auth required

Solar MCP

Developer Tools · Local stdio

Quality: 52/100 (Good) | Auth: No auth required

Verdict Summary: Choose Npm if you need specialized Developer Tools tools running via a hosted cloud SSE transport. Choose Solar MCP 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 Npm 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).
Primary tools included: search_packages, get_package, get_downloads.

Explore Npm Details

Choose Solar 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: solar_conditions, solar_forecast, solar_alerts.

Explore Solar MCP Details

Feature & Specification Comparison

Specification	N Npm Developer Tools	S Solar MCP Developer Tools
Summary	npm MCP — wraps the npm Registry API (free, no auth)	Solar indices and space weather MCP server. SFI, SSN, Kp, DSCOVR, NOAA alerts.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Npm Tools (5)

search_packages

Search npm for packages by keyword. Returns package names, descriptions, latest versions, publish dates, and publishers. Use when discovering libraries for a task.

get_package

Get full details for a specific package: version, description, dependencies, homepage, repository, and license. Use after search_packages to evaluate a candidate package.

get_downloads

Fetch npm download counts for a package over a named period (last-day, last-week, last-month, last-year) or a custom date range like "2024-01-01:2024-06-30". Returns total downloads, start date, and end date.

list_versions

List published versions of an npm package with publish dates, dist-tags (latest/next/beta), and deprecation notices — answers "what versions of <pkg> exist", "when was <pkg> last published", "is the latest version deprecated". Returns versions newest-first, plus the package created/last-modified ti…

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).

Npm Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "npm": {
      "url": "https://pipeworx.io"
    }
  }
}

Solar MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "solar-mcp": {
      "command": "uvx",
      "args": [
        "solar-mcp"
      ]
    }
  }
}

Frequently Asked Questions

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