World Weather Online vs Spaceweather MCP

In-depth architectural comparison of the World Weather Online and Spaceweather 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.

Which MCP Server Should You Choose?

Choose World Weather Online 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).
• Primary tools included: get_weather, get_historical_weather, get_marine_weather.

Explore World Weather Online Details

Choose Spaceweather MCP 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).
• Primary tools included: get_conditions_now, get_kp_index, get_kp_forecast.

Explore Spaceweather MCP Details

Feature & Specification Comparison

Specification	World Weather Online Aerospace & Astrodynamics	Spaceweather MCP Aerospace & Astrodynamics
Summary	Global weather API: forecasts, historical data, marine, ski, astronomy and timezone.	Space weather & geomagnetic conditions (NOAA SWPC, NASA DONKI, USGS, Kyoto) via MCP.
Category & Scope	Aerospace & Astrodynamics	Aerospace & Astrodynamics

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "world-weather-online": {
      "url": "https://mcp.worldweatheronline.com/health"
    }
  }
}

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

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