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Open Ephemeris

Astrology app for ChatGPT and Claude: real charts from NASA JPL DE440, not AI guesses.

Official TypeScript Local macOSWindowsLinux Remote

★ 5 stars Last pushed 2026-11-11 License: MIT

View repository → Website →

Connect

Review any command before running it. Package names and URLs come from the server's own registry entry.

https://mcp.openephemeris.com/mcp Requires auth (checked 2026-11-09)

Claude Code:

claude mcp add --transport http openephemeris-mcp https://mcp.openephemeris.com/mcp

Or add to your MCP client config:

{
  "mcpServers": {
    "openephemeris-mcp": {
      "url": "https://mcp.openephemeris.com/mcp"
    }
  }
}

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Data from the Official MCP Registry