What is the key difference between CycleCalcs Astronomy and World Weather Online?

CycleCalcs Astronomy belongs to the Aerospace & Astrodynamics category with cloud HTTP/SSE execution, while World Weather Online belongs to the Aerospace & Astrodynamics category with local stdio execution.

How do I install CycleCalcs Astronomy or World Weather Online 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 CycleCalcs Astronomy and World Weather Online free or paid?

CycleCalcs Astronomy operates under a Free / Open Source model (No auth required). World Weather Online operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

CycleCalcs Astronomy lists 0 tools with 0 views and 0 GitHub stars. World Weather Online lists 0 tools with 0 views and 0 GitHub stars.

Can I use both CycleCalcs Astronomy and World Weather Online 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 CycleCalcs Astronomy or World Weather Online 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 CycleCalcs Astronomy and World Weather Online free to use, or do they require API keys?

CycleCalcs Astronomy is listed under a Free / Open Source model with No auth required . World Weather Online 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 CycleCalcs Astronomy and World Weather Online at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both cyclecalcs-astronomy and world-weather-online 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, CycleCalcs Astronomy has a Quality Score of 41 /100 ( Fair ) with 0 views, 0 installs, and 0 GitHub stars. World Weather Online holds a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

CycleCalcs Astronomy vs World Weather Online

In-depth architectural comparison of the CycleCalcs Astronomy and World Weather Online 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

CycleCalcs Astronomy

Aerospace & Astrodynamics · Remote HTTP/SSE

Quality: 41/100 (Fair) | Auth: No auth required

World Weather Online

Aerospace & Astrodynamics · Local stdio

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

Verdict Summary: Choose CycleCalcs Astronomy if you need specialized Aerospace & Astrodynamics tools running via a hosted cloud SSE transport. Choose World Weather Online if your workspace requires Aerospace & Astrodynamics integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose CycleCalcs Astronomy when:

You need dedicated capabilities in the Aerospace & Astrodynamics domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore CycleCalcs Astronomy Details

Choose World Weather Online when:

You need dedicated capabilities in the Aerospace & Astrodynamics domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore World Weather Online Details

Feature & Specification Comparison

Specification	C CycleCalcs Astronomy Aerospace & Astrodynamics	W World Weather Online Aerospace & Astrodynamics
Summary	Astronomy: sun, moon, planet, eclipse, twilight and star position calculations.	Global weather API: forecasts, historical data, marine, ski, astronomy and timezone.
Category & Scope	Aerospace & Astrodynamics	Aerospace & Astrodynamics
Quality signal

Tools & Capabilities Breakdown

CycleCalcs Astronomy Tools (0)

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

World Weather Online 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).

CycleCalcs Astronomy Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "cyclecalcs-astronomy": {
      "url": "https://www.cyclecalcs.com/api/mcp.html"
    }
  }
}

World Weather Online Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "world-weather-online": {
      "command": "npx",
      "args": [
        "-y",
        "world-weather-online"
      ]
    }
  }
}

Frequently Asked Questions

CycleCalcs Astronomy is categorized under Aerospace & Astrodynamics and uses a remote streaming HTTP/SSE transport. In contrast, World Weather Online belongs to Aerospace & Astrodynamics using local stdio subprocess. Select CycleCalcs Astronomy when you need capabilities focused on aerospace & astrodynamics and World Weather Online when you require tools for aerospace & astrodynamics.

More alternatives to CycleCalcs Astronomy More alternatives to World Weather Online Aerospace & Astrodynamics category hub