What is the key difference between Bazi MCP and Astral MCP?

Bazi MCP belongs to the Spirituality & Esoterica category with local stdio execution, while Astral MCP belongs to the Spirituality & Esoterica category with local stdio execution.

How do I install Bazi MCP or Astral MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Bazi MCP and Astral MCP free or paid?

Bazi MCP operates under a Free / Open Source model (No auth required). Astral MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Bazi MCP lists 6 tools with 2 views and 155 GitHub stars. Astral MCP lists 12 tools with 4 views and 0 GitHub stars.

Can I use both Bazi MCP and Astral MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

Side-by-Side Model Context Protocol Comparison

Bazi MCP vs Astral MCP

In-depth architectural comparison of the Bazi MCP and Astral 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

Bazi MCP

Spirituality & Esoterica · Local stdio

Quality: 65/100 (Great) | Auth: No auth required

Astral MCP

Spirituality & Esoterica · Local stdio

Quality: 61/100 (Good) | Auth: No auth required

Verdict Summary: Choose Bazi MCP if you need specialized Spirituality & Esoterica tools running via a local process. Choose Astral 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 Bazi 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: calculate_bazi_chart, detect_bazi_interactions, calculate_true_solar_time.

Explore Bazi MCP Details

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

Feature & Specification Comparison

Specification	Bazi MCP openfate-ai Spirituality & Esoterica	Astral MCP davidmosiah Spirituality & Esoterica
Summary	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.	Zero-setup astrology MCP server for natal charts, current transits, synastry, Moon phases and birthplace lookup, with privacy modes for compact agent payloads.
Category & Scope

Tools & Capabilities Breakdown

Bazi MCP Tools (6)

calculate_bazi_chart

Calculates a deterministic Bazi chart.

detect_bazi_interactions

Detects raw Earthly Branch relationship occurrences for a natal chart, with optional annual and Da Yun branches.

calculate_true_solar_time

Calculates True Solar Time directly.

reverse_bazi_to_solar_times

Finds possible Gregorian datetimes for a four-pillar Bazi string.

get_openfate_bazi_policy

Returns OpenFate calculation policy:

get_openfate_bazi_resources

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).

Bazi MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "openfate-ai-bazi-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@openfate/bazi-mcp"
      ]
    }
  }
}

Astral MCP Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Bazi MCP is categorized under Spirituality & Esoterica and uses a local stdio subprocess. In contrast, Astral MCP belongs to Spirituality & Esoterica using local stdio subprocess. Select Bazi MCP when you need capabilities focused on spirituality & esoterica and Astral MCP when you require tools for spirituality & esoterica.

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