Open Ephemeris

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

Install

Add this to your `claude_desktop_config.json` file:

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

Remote endpoints

https://mcp.openephemeris.com/mcpstreamable-http

What it can do

No publishable tool enumeration has been recorded.

Community

Evidence

Oct 29, 2026, 8:37 AM UTCauth requiredversion not recorded—

Oct 20, 2026, 6:03 PM UTCauth requiredversion not recorded—

Oct 12, 2026, 8:02 PM UTCauth requiredversion not recorded—

Oct 5, 2026, 7:36 AM UTCauth requiredversion not recorded—

Sep 27, 2026, 11:03 AM UTCauth requiredversion not recorded—

Sep 20, 2026, 5:33 AM UTCauth requiredversion not recorded—