mcp-ephemeris
NASA-validated computed planetary positions for your AI: 19 astrology tools, never hallucinated.
Install
npmstdio
npx -y @cosmosos/mcp-ephemeris Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-kairosastro-sketch-mcp-ephemeris": {
"command": "npx",
"args": [
"-y",
"@cosmosos/mcp-ephemeris"
]
}
}
}Source: official MCP Registry record · registry name io.github.kairosastro-sketch/mcp-ephemeris · published 2026-07-21 · updated 2026-07-21. Not an endorsement; review the code before connecting it to anything sensitive.