An open-source TypeScript BaZi calculation engine with an MCP server. Computes Four Pillars, true solar time corrections, strength, patterns, and yong shen from birth data without generating interpretations or predictions.
Prices in CNY — comparisons use USD at current FX. As parsed from zhijipaipan.com/pricing on 2026-10-08.
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Prices and medians update for the tier you select.
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Zhiji BaZi · Pro
No Pro plan
—
Pro-MCP server median
$21.45
across 6 priced MCP servers
vs Pro MCP servers
No comparison
Zhiji BaZi doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
34th pctile
6 competing vendors
Comparable listings · 30d
Flat
driven by Chinese Astrology API $33.63→$32.9
MCP servers · Pro median
$21.45/mo
6 priced · $10.72–$38.25 mid 50%
Price spectrum · Pro plans · 8 of 12 providers priced · log scale · $3.99 → $116/mo
Agents MCP servers◻ shaded = middle 50% · line = median (all types)Zhiji BaZi has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches Zhiji BaZi's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.