Natal Compass MCP MCP server

An official MCP server that allows AI assistants to answer astrological chart questions using real planetary positions computed by precise astronomical calculations. It provides tools for generating birth charts, checking planetary positions, analyzing sky relations to birth charts, determining moon phases, identifying retrograde periods, calculating aspects between charts, and creating solar return charts.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Natal Compass

MCP endpoint (Streamable HTTP)

https://natalcompass.com/mcp

Vendor documentation

What you can do with it

Generate a birth chart from a date, time, and place
Find where planets are on any specific date
Analyze how the sky on a date relates to a birth chart
Determine the current moon phase

Tools advertised by the last live check:

get_natal_chart
get_transits
get_transits_to_chart
get_moon_phase
get_retrogrades
get_synastry
get_solar_return

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http natal-compass-mcp https://natalcompass.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add natal-compass-mcp --url https://natalcompass.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable natal-compass-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "natal-compass-mcp": {
      "url": "https://natalcompass.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "natal-compass-mcp": {
      "type": "streamableHttp",
      "url": "https://natalcompass.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start natal-compass-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "natal-compass-mcp": {
      "type": "http",
      "url": "https://natalcompass.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http natal-compass-mcp https://natalcompass.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "natal-compass-mcp": {
      "url": "https://natalcompass.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "natal-compass-mcp": {
      "serverUrl": "https://natalcompass.com/mcp"
    }
  }
}

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