How do I install astral-mcp?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is astral-mcp official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 13 (Limited). The formula is published on the methodology page.

MCPpedia

astral-mcp MCP Server | MCPpedia

astral-mcp MCP Server

Name: astral-mcp MCP Server
Author: davidmosiah

Precision-audited astrology MCP: natal charts, transits, synastry, moon phases. No API key.

Tools Versions Alternatives

Registrydavidmosiah

13Limited

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "davidmosiah-astral-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "astral-mcp@0.2.0"
      ],
      "env": {
        "ASTRAL_MCP_TRANSPORT": "",
        "ASTRAL_MCP_HOST": "",
        "ASTRAL_MCP_PORT": "",
        "ASTRAL_MCP_ALLOWED_ORIGIN": ""
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
ASTRAL_MCP_TRANSPORT	No	Transport to run. Defaults to stdio. Set to http to expose a streamable HTTP endpoint instead.
ASTRAL_MCP_HOST	No	Host to bind when ASTRAL_MCP_TRANSPORT=http. Defaults to 127.0.0.1.
ASTRAL_MCP_PORT	No	Port to bind when ASTRAL_MCP_TRANSPORT=http. Defaults to 3000.
ASTRAL_MCP_ALLOWED_ORIGIN	No	Allowed CORS origin for the HTTP transport. Defaults to the bound host:port.

astral-mcp MCP Server

Install

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