Local + RemoteFree

Caelus MCP server

heavyblotto/caelus

34-tool Caelus MCP for validated astrology: charts, transits, Vedic, facts, sky view, synthetic.

2 GitHub stars2 forks307 npm downloads / month

Install Caelus in Claude Code

Remote URL

Claude Code
claude mcp add --transport http caelus https://www.ephemengine.com/api/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "caelus": {
      "url": "https://www.ephemengine.com/api/mcp"
    }
  }
}

npm

Claude Code
claude mcp add caelus -- npx -y caelus-mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "caelus": {
      "command": "npx",
      "args": [
        "-y",
        "caelus-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Caelus MCP server do?

34-tool Caelus MCP for validated astrology: charts, transits, Vedic, facts, sky view, synthetic.

Is the Caelus MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Caelus run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Caelus to Claude Code?

Run: claude mcp add --transport http caelus https://www.ephemengine.com/api/mcp

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