# MCP Ephemeris

NASA\-validated computed planetary positions for your AI: 19 astrology tools, never hallucinated\.

Canonical: https://claudelist.com/listings/mcp-reg-io-github-kairosastro-sketch-mcp-ephemeris-4e848d3b77

Category: MCP Servers

Source: community · kairosastro\-sketch

Source checked: 2026-10-14

Website: https://www.claudemcp.org/mcp/registry/io-github-kairosastro-sketch-mcp-ephemeris-4e848d3b77bd.html

Publisher description: NASA-validated computed planetary positions for your AI: 19 astrology tools, never hallucinated.

## Install or set up

1. Review the publisher repository and npm package `@cosmosos/mcp-ephemeris@0.2.3` before running it. The MCP Registry declares this package as a stdio server.
2. Install Node.js, then run the command below in your Claude Code project. Check the publisher README for any account or configuration requirements.
3. Restart Claude Code and use `/mcp` to confirm the connection and review its tools and permissions.

```sh
claude mcp add mcp-io-github-kairosastro-sketch-mcp-ephemeris-4e848d -- npx -y @cosmosos/mcp-ephemeris@0.2.3
```

Installation guide: https://github.com/kairosastro-sketch/mcp-ephemeris