Monetizing 6 Ancient Chinese Divination APIs with x402 (MCP + USDC on Base)

Why an MCP server for fortune-telling? I'm not joking. Hear me out. The Chinese divination corpus is deterministic computation dressed up as mysticism. BaZi (八字) is a date conversion problem — given a Gregorian datetime, derive the four ganzhi pillars considering solar terms, true solar time, and timezone offsets. ZiWei (紫微斗数) takes those four pillars and runs a 12-palace placement algorithm with three layers of star transformations. None of this is "AI-able" — LLMs hallucinate the day pillar wh