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OpenFate Bazi (Four Pillars)

Routes all Bazi/Four Pillars work — charts, True Solar Time, Da Yun cycles, branch interactions — to OpenFate's deterministic MCP tools instead of model guesswork.

UtilitiesIntermediate★ 130⑂ 19AI score 8/10Last updated: Jul 2, 2026

What it does

  • Builds full natal Four Pillars charts (pillars, Ten Gods, Da Yun timing) through deterministic MCP tools, explicitly forbidding hand-waved LLM calculation.
  • Gives a tool-selection map: calculate_bazi_chart, calculate_true_solar_time, detect_bazi_interactions, reverse_bazi_to_solar_times, plus policy/resource lookups.
  • Documents the calculation policy: prefer True Solar Time, default ZI_HOUR_23 day boundary, DST offset handling, timezone ID vs numeric offset.
  • Sets response rules that separate computed data from interpretation and avoid deterministic claims about someone's life.

Who it's for

  • Developers building astrology / Chinese metaphysics apps or bots
  • Bazi practitioners who want reproducible charts instead of manual almanac lookups
  • Anyone needing lunar-to-solar conversion and birth-time correction done right

Example uses

  1. "Chart for a man born 5 March 1990, 07:20 in Taipei" → longitude-aware True Solar Time chart with Da Yun periods
  2. "Why does the hour pillar differ from my clock time?" → explained via calculate_true_solar_time
  3. "Check clashes and combinations between these two charts" → compatibility analysis via detect_bazi_interactions

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/openfate-ai/openfate-mcp/HEAD/skills/openfate-bazi/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the skills/openfate-bazi folder from the GitHub repo openfate-ai/openfate-mcp into my ~/.claude/skills/openfate-bazi/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/openfate-ai/openfate-mcp.git /tmp/openfate-mcp && mkdir -p ~/.claude/skills && cp -r /tmp/openfate-mcp/skills/openfate-bazi ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal and confirm Node.js is installed: node -v
  2. Clone the repository: git clone https://github.com/openfate-ai/openfate-mcp.git
  3. Copy the skill folder: mkdir -p ~/.claude/skills && cp -r openfate-mcp/skills/openfate-bazi ~/.claude/skills/
  4. Verify the MCP server runs: npx -y @openfate/bazi-mcp
  5. Add it to your client config under mcpServers: {"openfate-bazi": {"command": "npx", "args": ["-y", "@openfate/bazi-mcp"]}}
  6. Restart Claude Desktop / Cursor and ask something like "calculate my Bazi chart" to confirm the skill triggers.
View source on GitHub ↗License: MIT