What is the key difference between Sky Watch MCP and CycleCalcs Astronomy?

Sky Watch MCP belongs to the Aerospace & Astrodynamics category with cloud HTTP/SSE execution, while CycleCalcs Astronomy belongs to the Aerospace & Astrodynamics category with local stdio execution.

How do I install Sky Watch MCP or CycleCalcs Astronomy 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 Sky Watch MCP and CycleCalcs Astronomy free or paid?

Sky Watch MCP operates under a Free / Open Source model (No auth required). CycleCalcs Astronomy operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Sky Watch MCP lists 0 tools with 0 views and 0 GitHub stars. CycleCalcs Astronomy lists 0 tools with 2 views and 0 GitHub stars.

Can I use both Sky Watch MCP and CycleCalcs Astronomy 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

Sky Watch MCP vs CycleCalcs Astronomy

In-depth architectural comparison of the Sky Watch MCP and CycleCalcs Astronomy 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

Sky Watch MCP

Aerospace & Astrodynamics · Remote HTTP/SSE

Quality: 28/100 (Emerging) | Auth: No auth required

CycleCalcs Astronomy

Aerospace & Astrodynamics · Local stdio

Quality: 37/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Sky Watch MCP if you need specialized Aerospace & Astrodynamics tools running via a hosted cloud SSE transport. Choose CycleCalcs Astronomy 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 Sky Watch MCP 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 Sky Watch MCP Details

Choose CycleCalcs Astronomy 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 CycleCalcs Astronomy Details

Feature & Specification Comparison

Specification	S Sky Watch MCP Aerospace & Astrodynamics	C CycleCalcs Astronomy Aerospace & Astrodynamics
Summary	Observational astronomy in one place	Astronomy: sun, moon, planet, eclipse, twilight and star position calculations.
Category & Scope	Aerospace & Astrodynamics	Aerospace & Astrodynamics
Quality signal

Tools & Capabilities Breakdown

Sky Watch MCP Tools (0)

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

CycleCalcs Astronomy 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).

Sky Watch MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "sky-watch-mcp": {
      "url": "https://mcp.nexlab.net/s/sky-watch"
    }
  }
}

CycleCalcs Astronomy Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

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

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