Open Ephemeris

Media & Design Streamable HTTP v4.29.0

Sub-arcsecond astrology on NASA JPL DE440: natal, transits, Human Design, Vedic, BaZi.

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version unavailable — hosted endpoints aren’t versioned

Streamable HTTP
https://mcp.openephemeris.com/mcp

Setup by client

Pick your client — the config below is generated for this server (hosted endpoint). Copy respects the “Pin version” switch above.

Remote (hosted) endpoint

https://mcp.openephemeris.com/mcp

Claude Desktop: Settings → Connectors → Add custom connector, paste this URL.

Format verified against the official Claude Desktop docs ↗.

terminal

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

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json (hosted endpoint)

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

Format verified against the official Cursor docs ↗.

.vscode/mcp.json (hosted endpoint)

{
  "servers": {
    "open-ephemeris": {
      "type": "http",
      "url": "https://mcp.openephemeris.com/mcp"
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json (hosted endpoint)

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

Format verified against the official Windsurf docs ↗.

GitHub

⭐ 5 stars · 最近更新于 29 天前 · MIT license

About this server

OpenEphemeris MCP Server Use it in Claude: add as a custom connector (leave the OAuth Client ID and Secret blank) or install the Open Ephemeris plugin from the Claude directory. Sign in happens in the browser and creates a free account with 150 credits. Model Contex…

Summary from the project README — github.com/openephemeris/openephemeris-MCP

Distributed as Streamable HTTP, listed under Media & Design. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Open Ephemeris MCP server do?

How do I install Open Ephemeris?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Open Ephemeris free to use?

The MCP server itself is free to install. The source is public on https://github.com/openephemeris/openephemeris-MCP. Any third-party service it calls may require its own API key and account.

Which clients support Open Ephemeris?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

Add this badge

Publish this server? Link back with a badge on your README or site — copy either snippet.

Markdown

[![Listed on MCPNav](https://mcpnav.net/badge/open-ephemeris.svg)](https://mcpnav.net/server/open-ephemeris/)

HTML

<a href="https://mcpnav.net/server/open-ephemeris/"><img src="https://mcpnav.net/badge/open-ephemeris.svg" alt="Listed on MCPNav" height="20"></a>