小费 + 销售税 + 货币转换 + 折扣叠加 最终价格瀑布计算器

POST http://127.0.0.1:3003/zh/api/tools/tip-sales-tax-currency-conversion-discount-stacking-calculator

{
  "mcpServers": {
    "elysiatools-tip-sales-tax-currency-conversion-discount-stacking-calculator": {
      "name": "tip-sales-tax-currency-conversion-discount-stacking-calculator",
      "description": "把真实最终价格拆成逐行瀑布：叠加折扣、正确的税基与税级联、礼仪基准小费与取整、多人分摊，以及中间价 vs DCC 转换对比。",
      "baseUrl": "http://127.0.0.1:3003/mcp/sse?toolId=tip-sales-tax-currency-conversion-discount-stacking-calculator",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "tip-sales-tax-currency-conversion-discount-stacking-calculator",
    "arguments": {
  "subtotal": 85,
  "discountLines": "20%",
  "stackingModel": "sequential",
  "taxBase": "after-discounts",
  "taxLines": "State=6.5\nCity=0.5",
  "taxModel": "additive",
  "tipPct": 20,
  "tipBase": "pre-tax-post-discount",
  "tipRounding": "nearest-0.05",
  "partySize": 2,
  "originalCcy": "USD",
  "targetCcy": "CNY",
  "fxRate": 7.25,
  "dccMarkupPct": 3.5,
  "issuerFeePct": 1
}
  }
}