Astral MCP vs Astroway MCP

In-depth architectural comparison of the Astral MCP and Astroway MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

Which MCP Server Should You Choose?

Choose Astral MCP when:

• You need dedicated capabilities in the Spirituality & Esoterica domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: astral_compute_natal_chart, astral_current_transits, astral_synastry.

Explore Astral MCP Details

Choose Astroway MCP when:

• You need dedicated capabilities in the Spirituality & Esoterica domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Freemium).
• You have access to required keys: ASTROWAY_API_KEY, ASTROWAY_TOOL_GROUPS, ASTROWAY_READONLY, ASTROWAY_DISCOVERY_MODE.
• Primary tools included: Exposes every endpoint of AstroWay Calculation API, Supports natal, synastry, transits, and Vedic astrology, Includes tarot (Rider-Waite, Marseille, Lenormand) and numerology (5 systems).

Feature & Specification Comparison

Specification	Astral MCP davidmosiah Spirituality & Esoterica	Astroway MCP astroway Spirituality & Esoterica
Summary	Zero-setup astrology MCP server for natal charts, current transits, synastry, Moon phases and birthplace lookup, with privacy modes for compact agent payloads.	Comprehensive astrology MCP exposing every endpoint of the AstroWay Calculation API — natal charts, synastry, transits, Vedic dashas (Vimshottari, Yogini, Ashtottari, Kalachakra), 16 Vargas, Tarot (Rider-Waite-Smith / Marseille / Lenormand), Numerology (5 systems), Human Design, AI horoscopes. Sub-arcsecond Swiss Ephemeris precision, 10 000 free credits/month. Install: npx @astroway/mcp.
Category & Scope

Tools & Capabilities Breakdown

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

{
  "mcpServers": {
    "davidmosiah-astral-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "astral-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "astroway-astroway-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@astroway/mcp"
      ],
      "env": {
        "ASTROWAY_API_KEY": "YOUR_ASTROWAY_API_KEY_HERE",
        "ASTROWAY_TOOL_GROUPS": "YOUR_ASTROWAY_TOOL_GROUPS_HERE",
        "ASTROWAY_READONLY": "YOUR_ASTROWAY_READONLY_HERE",
        "ASTROWAY_DISCOVERY_MODE": "YOUR_ASTROWAY_DISCOVERY_MODE_HERE"
      }
    }
  }
}

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