An offline-first Vietnamese Tử Vi Đẩu Số calculation engine for TypeScript, Python, and WebAssembly, including an in-process MCP server, structured chart generation, compatibility analysis, SVG rendering, and cited evidence bundles.
Prices and medians update for the tier you select.
Compare at
viet-tuvi-engine · Pro
No Pro plan
—
Pro-MCP server median
—
insufficient comparable pricing
vs Pro MCP servers
No comparison
viet-tuvi-engine doesn't sell Pro
ⓘ Comparisons are same provider type (MCP server) and same buyer tier (Pro). Never across tiers.
Market density
7th pctile
5 competing vendors
Comparable listings · 30d
—
Price spectrum · Pro plans · 2 of 4 providers priced · log scale · $20 → $49/mo
MCP servers◻ shaded = middle 50% · line = median (all types)viet-tuvi-engine has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches viet-tuvi-engine'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.