What is the key difference between Open Ephemeris and Water Levels?

Open Ephemeris belongs to the Aerospace & Astrodynamics category with local stdio execution, while Water Levels belongs to the Aerospace & Astrodynamics category with local stdio execution.

How do I install Open Ephemeris or Water Levels 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 Open Ephemeris and Water Levels free or paid?

Open Ephemeris operates under a Free / Open Source model (No auth required). Water Levels operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Open Ephemeris lists 0 tools with 0 views and 4 GitHub stars. Water Levels lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Open Ephemeris and Water Levels 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

Open Ephemeris vs Water Levels

In-depth architectural comparison of the Open Ephemeris and Water Levels 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

Open Ephemeris

Aerospace & Astrodynamics · Local stdio

Quality: 45/100 (Fair) | Auth: No auth required

Water Levels

Aerospace & Astrodynamics · Local stdio

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

Verdict Summary: Choose Open Ephemeris if you need specialized Aerospace & Astrodynamics tools running via a local process. Choose Water Levels 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 Open Ephemeris 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 Open Ephemeris Details

Choose Water Levels 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 Water Levels Details

Feature & Specification Comparison

Specification	Open Ephemeris Aerospace & Astrodynamics	W Water Levels Aerospace & Astrodynamics
Summary	Sub-arcsecond ephemeris and astrology on NASA JPL DE440: natal, transits, eclipses, Human Design.	Lake and reservoir water levels from satellite radar altimetry —
Category & Scope	Aerospace & Astrodynamics	Aerospace & Astrodynamics

Tools & Capabilities Breakdown

Open Ephemeris Tools (0)

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

Water Levels 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).

Open Ephemeris Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "open-ephemeris": {
      "command": "npx",
      "args": [
        "-y",
        "@openephemeris/mcp-server"
      ]
    }
  }
}

Water Levels Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Open Ephemeris is categorized under Aerospace & Astrodynamics and uses a local stdio subprocess. In contrast, Water Levels belongs to Aerospace & Astrodynamics using local stdio subprocess. Select Open Ephemeris when you need capabilities focused on aerospace & astrodynamics and Water Levels when you require tools for aerospace & astrodynamics.

More alternatives to Open Ephemeris More alternatives to Water Levels Aerospace & Astrodynamics category hub