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ishan-parihar

amazon-lyr

by ishan-parihar
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Python
Remote

一个代理会话，从头到尾

这是与运行 amazon-lyr 的代理进行的一次真实对话——没有隐藏任何步骤：

1. search_products("noise cancelling headphones", max_price=300, min_rating=4)
2. review_insights("B0X1234567")            # star spread + keyword themes
3. search_in_reviews("B0X1234567", query="broke")     # what actually breaks?
4. add_to_cart("B0X1234567", quantity=1)
5. checkout_preview()                        # totals + address + payment, nothing bought
6. place_order(confirm="PLACE_ORDER")       # only after the user said "buy it"
   ✓ order placed · #111-2223334-5556667
7. track_shipment("111-2223334-5556667")
8. initiate_return("111-2223334-5556667", reason="defective", asin_hint="…")
9. list_returns()                           # refund status confirmed

每一步都是类型化的 MCP 工具调用。购买步骤被刻意设计为难以意外触发——参见安全模型。

Related MCP server: Amazon MCP Server

为什么与众不同

无需 API 密钥

通过 curl_cffi 配合 Chrome TLS 模拟，直接对接 Amazon 自身的 Web 端点——与您的浏览器使用相同的会话

完整生命周期

不仅仅是抓取：购物车变更、心愿单写入、带确认解析的结账、退货向导、取消订单

面向代理的原生错误

CAPTCHA、登出重定向和软限流以带恢复提示的类型化错误形式呈现（possibly_throttled、手动回退 URL）——绝不会静默返回垃圾数据

工作原理

browser cookies ──▶ AmazonClient (curl_cffi, captcha-aware)
                        │
                        ▼
              bs4 parsers ──▶ normalized dicts ──▶ 21 FastMCP tools
                                                   (readOnly / destructive annotations)

认证使用您自己的会话：amazon-lyr login 通过 obscura-core 从 Chrome、Brave、Firefox、Edge 或 Zen 导入 Cookie，或从显式 JSON 导出导入。读取操作需要登录令牌；购物车、订单、退货和结账还需要会话上下文 Cookie。

安装

# Persistent install — uv tool (isolated; bootstraps uv on clean systems)
curl -sSL https://raw.githubusercontent.com/ishan-parihar/amazon-lyr/main/install.sh | bash

# Zero-install run without persistence:
uvx --from git+https://github.com/ishan-parihar/amazon-lyr amazon-lyr --version

然后认证一次并启动服务：

amazon-lyr login --browser chrome            # or: --cookies-file cookies.json
amazon-lyr search "mechanical keyboard"      # shell works immediately
amazon-lyr serve                             # MCP server (stdio)
{
  "mcpServers": {
    "amazon": {
      "command": "amazon-lyr",
      "args": ["serve"]
    }
  }
}

工具（21 个）

类别

工具

搜索

search_products（部门、价格区间、最低评分筛选）

产品

get_product、compare_products（最多 5 个 ASIN）

评论

get_reviews、review_insights、search_in_reviews

购物车

add_to_cart、view_cart、update_cart_quantity、remove_from_cart

心愿单

add_to_wishlist、get_wishlist

订单

get_orders、get_order_details、track_shipment

退货

list_returns、initiate_return（友好的原因代码）

购买

checkout_preview、place_order

危险区域

cancel_order

会话

get_session_status

安全模型

资金操作恰好经过两道关卡：

  1. 会话关卡——每次变更操作都需要完整的登录 Cookie（at-main + session-id/ubid-main）。只读会话在任何请求发出之前就会被拒绝。

  2. 同意关卡——place_order 除非传入精确的字面量 confirm="PLACE_ORDER"，否则拒绝执行。预期流程是：为用户预览 → 用户批准 → 然后传入该字面量。cancel_order 和 initiate_return 同样被标注为破坏性/非幂等操作，以便代理框架相应处理。

卡片验证（OTP / 3-D Secure）会在结账过程中被检测到，并以 needs_verification 形式报告，附带浏览器操作说明——绝不会猜测通过。

限制

诚实的上限，全部以类型化错误而非错误数据的形式呈现：

  • CAPTCHA 墙——账户区域页面比商品目录更严格；重新导入新 Cookie 或等待解除（CaptchaError 包含提示）

  • 软限流——低于 3 秒的请求节奏会静默返回空网格；怀疑受限时响应会携带 possibly_throttled: true

  • 地区价格变体——某些变体在客户端渲染价格；搜索回退到文本扫描，get_product 保持权威

  • 未经同意不自动购买——设计如此；结账要求显式的确认字面量和用户批准

开发

git clone https://github.com/ishan-parihar/amazon-lyr && cd amazon-lyr
uv sync --extra dev
uv run ruff check . && uv run pytest -q

架构说明、不变式和发布流程详见 AGENTS.md。

许可证

MIT © Ishan Parihar

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