Ephemeris MCP Server
by kairosastro-sketchio.github.kairosastro-sketch/mcp-ephemerisv0.2.3
NASA-validated computed planetary positions for your AI: 19 astrology tools, never hallucinated.
context tax
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security
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cold start
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freshness
Maintained3mo ago
Install Ephemeris MCP server
Install in Claude Code
claude mcp add ephemeris-kairosastro-sketch -- npx -y @cosmosos/mcp-ephemerisInstall in Cursor
{
"mcpServers": {
"ephemeris-kairosastro-sketch": {
"command": "npx",
"args": [
"-y",
"@cosmosos/mcp-ephemeris"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"ephemeris-kairosastro-sketch": {
"command": "npx",
"args": [
"-y",
"@cosmosos/mcp-ephemeris"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"ephemeris-kairosastro-sketch": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cosmosos/mcp-ephemeris"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"ephemeris-kairosastro-sketch": {
"command": "npx",
"args": [
"-y",
"@cosmosos/mcp-ephemeris"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Freshness
Maintained — last maintenance signal 3mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-07-21 · 3mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-07-21 · 3mo ago · official registry · v0.2.3
FAQ
›How do I install the Ephemeris MCP server in Claude Code?
Run: claude mcp add ephemeris-kairosastro-sketch -- npx -y @cosmosos/mcp-ephemeris. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Ephemeris require an API key?
No required environment variables are declared in its published metadata.
›Can I use Ephemeris as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Ephemeris in the official MCP registry?
Yes, as io.github.kairosastro-sketch/mcp-ephemeris.