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Turning Myeongni into an MCP

·2026.04.10 10:10

Key point

Released a BaZi/Feng Shui calculation engine verified with 740+ tests as an MCP server.

Details

A project that wraps a calculation engine, built up since 2017 while studying BaZi(Saju), in an MCP server.

Targeting the problem that Claude often infers BaZi charts incorrectly, the engine was verified with 740+ tests based on Joey Yap data, and designed so the engine handles the math while Claude handles interpretation.

The main features are as follows.

  • Calculating today's power hours
  • Checking day pillar clashes/combinations
  • Determining today's Day Officer and its fortune based on Tong Shu
  • 10-year luck pillar timeline
  • Life Gua and optimal directions
  • Looking up the hexagram corresponding to the month pillar

It is currently distributed with 8 tools, under an MIT license, and free, with installation instructions in the README. Both GitHub and PyPI distributions are provided, and since the full app is still under development, the calculation engine is the core part for now.

pythonclaudemcpdev-toolsai-agentbazifeng-shui
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