io.github.mrfentmen/jpl-horizons-mcp

io.github.mrfentmen/jpl-horizons-mcp

JPL Horizons: NASA ephemerides for planets, moons, asteroids and comets - keyless.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "jpl-horizons-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@mrfentmen/jpl-horizons-mcp@1.0.0"
      ]
    }
  }
}

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Health & Science
Version
1.0.0
Registry
active
Published
11/8/2026

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