Description

Provides precision astronomical calculations for planetary positions, house cusps, and chart angles using the Swiss Ephemeris library. Returns geocentric tropical zodiac coordinates with declination, speed, and retrograde motion indicators. Designed for astrology applications and celestial mechanics requiring high-precision ephemeris data.

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Installation 

git clone https://github.com/scottchronicity/ephemeris-mcp

Claude Desktop Configuration

Add this configuration to your Claude Desktop config file to enable this MCP server:

Config file location: ~/Library/Application Support/Claude/claude_desktop_config.json

Config file location: %APPDATA%\Claude\claude_desktop_config.json

Config file location: ~/.config/Claude/claude_desktop_config.json

claude_desktop_config.json 
{
  "mcpServers": {
    "swiss-ephemeris": {
      "command": "node",
      "args": [
        "path/to/server.js"
      ]
    }
  }
}

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