In-depth architectural comparison of the Astroway MCP and Bazi 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.
At a Glance & Executive Verdict
Astroway MCP
Spirituality & Esoterica · Local stdio
Quality: 53/100 (Good) | Auth: API Key required
Bazi MCP
Spirituality & Esoterica · Local stdio
Quality: 65/100 (Great) | Auth: No auth required
Verdict Summary: Choose Astroway MCP if you need specialized Spirituality & Esoterica tools running via a local process. Choose Bazi MCP if your workspace requires Spirituality & Esoterica integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
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).
Astroway MCP is categorized under Spirituality & Esoterica and uses a local stdio subprocess. In contrast, Bazi MCP belongs to Spirituality & Esoterica using local stdio subprocess. Select Astroway MCP when you need capabilities focused on spirituality & esoterica and Bazi MCP when you require tools for spirituality & esoterica.
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.
Deterministic Bazi / Four Pillars MCP server with True Solar Time, lunar/solar conversion, Da Yun luck cycles, branch interactions, reverse Bazi lookup, and OpenFate calculation metadata. Install: npx -y @openfate/bazi-mcp.