Price Drop Back

Did the price drop after you bought it? Store price-adjustment rules, deadlines and a claim message.

我该使用它吗

质量与安全性

A
描述质量
100%
模式完整度
97%
命名质量
100%
投毒风险
100%
权限匹配度
100%
协议合规性
100%

基于对工具定义和协议合规性的自动分析。

上下文开销

~1,140token 数(工具定义)
~1.9 KB典型响应大小
对注意力有中等影响(占 128k 上下文窗口的 0.89%)

这是每次将服务器的工具加载到模型上下文窗口时所消耗的大致 token 数。数值越高,可用于其他任务的注意力就越少。

安装

一键安装

将以下内容添加到你的 `claude_desktop_config.json` 文件中:

{
  "mcpServers": {
    "pricedropback": {
      "url": "https://goodturn-mcp.pages.dev/pricedropback/mcp"
    }
  }
}

远程端点

https://goodturn-mcp.pages.dev/pricedropback/mcpstreamable-http

它能做什么

工具清单

工具(4)

🟢 只读🟡 写入🔴 删除⚪ 未知
🟢get_store_policy(store, item, country)

A store's price adjustment and price match policy. For requests like "does Target do price matching?", "does John Lewis refund if the price drops?", "Currys price promise", "what's Best Buy's price adjustment policy?", "will Costco refund the difference?". With an item name it adds links to check today's price.

输入模式

{
  "type": "object",
  "properties": {
    "store": {
      "type": "string",
      "description": "Store name in everyday words, up to 60 characters."
    },
    "item": {
      "type": "string",
      "description": "Optional item name, up to 100 characters, to link today's prices for it."
    },
    "country": {
      "type": "string",
      "description": "Two-letter country code. GB (or UK) gives the UK policy where the store has one (Apple, Amazon, IKEA) and UK rules; it also picks the price links (US, GB and IE get local Amazon and eBay links). Default from the request."
    }
  },
  "required": [
    "store"
  ],
  "additionalProperties": false
}
🟢check_price_drop_claim(store, days_since_purchase, purchase_date, paid, now, ...)

Can I get the difference back? For requests like "I bought a TV at Best Buy 9 days ago for $499 and it's $449 now, can I get the difference?". Says whether a claim is likely (likely, likely_if_member, unlikely, check or no_drop), the amount, and the steps. With an item name it adds a Cheapest Price link and Amazon and eBay links to check today's price. Likely claims also get claim_message, ready to paste into the store's chat or email. policy.refund_paid_as flags stores that pay store credit (Newegg)

输入模式

{
  "type": "object",
  "properties": {
    "store": {
      "type": "string",
      "description": "Store name, up to 60 characters."
    },
    "days_since_purchase": {
      "type": "integer",
      "description": "Days since you bought it (or since delivery), 0 to 400. Give this or purchase_date."
    },
    "purchase_date": {
      "type": "string",
      "format": "date",
      "description": "The date you bought it, YYYY-MM-DD, instead of days_since_purchase. Adds deadlines: the last day to claim with the store (and in a members' longer window) and Capital One card protection."
    },
    "paid": {
      "type": "number",
      "description": "What you paid, 0 to 100000 (US dollars, or pounds for UK stores)."
    },
    "now": {
      "type": "number",
      "description": "Today's price, 0 to 100000 (US dollars, or pounds for UK stores)."
    },
    "item": {
      "type": "string",
      "description": "Optional item name, up to 100 characters, to link today's price on Cheapest Price, Amazon and eBay."
    },
    "country": {
      "type": "string",
      "description": "Two-letter country code. GB (or UK) gives the UK policy where the store has one (Apple, Amazon, IKEA) and UK rules; it also picks the price links (US, GB and IE get local Amazon and eBay links). Default from the request."
    }
  },
  "required": [
    "store"
  ],
  "additionalProperties": false
}
🟢get_claim_reminder(store, purchase_date, member, item, country)

Calendar reminder for the last day to claim a price drop. Returns a calendar file (.ics) with an all-day event on the store's last claim day, how to claim and the policy link, with alerts 3 days before and on the day. Nothing is stored. check_price_drop_claim gives this link as add_to_calendar when purchase_date is given and a claim is likely.

输入模式

{
  "type": "object",
  "properties": {
    "store": {
      "type": "string",
      "description": "Store name."
    },
    "purchase_date": {
      "type": "string",
      "format": "date",
      "description": "The date you bought it, YYYY-MM-DD."
    },
    "member": {
      "type": "boolean",
      "description": "Set to true to use the longer members' window where the store has one (for example My Best Buy Plus or Total)."
    },
    "item": {
      "type": "string",
      "description": "Optional item name for the event title, up to 100 characters."
    },
    "country": {
      "type": "string",
      "description": "Two-letter country code. GB (or UK) uses the UK policy where the store has one. Default from the request."
    }
  },
  "required": [
    "store",
    "purchase_date"
  ],
  "additionalProperties": false
}
🟢list_stores(country)

Every store covered, plus card price protection. For requests like "which stores give you money back if the price drops?" or "does my credit card have price protection?". With country=GB, lists the UK policies.

输入模式

{
  "type": "object",
  "properties": {
    "country": {
      "type": "string",
      "description": "Two-letter country code. GB (or UK) lists only stores with a UK policy. Default from the request."
    }
  },
  "required": [],
  "additionalProperties": false
}

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