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MCP server for querying Banxico CEP (Comprobante Electrónico de Pago)

Project description

banxico-cep-mcp

查询 Banxico CEP(墨西哥央行电子支付凭证)的 MCP 服务端,用于验证墨西哥银行间转账支付记录。

安装

pip install banxico-cep-mcp

需要 Python >= 3.10。

使用方式

在 MCP 客户端中配置

{
  "mcpServers": {
    "banxico-cep": {
      "command": "banxico-cep-mcp"
    }
  }
}

直接运行

banxico-cep-mcp

工具说明

cep_query — CEP 支付凭证查询

查询 Banxico 的单条 CEP 记录,验证支付是否已完成清算。

参数 是否必填 说明
fecha 支付日期,格式 DD-MM-YYYY(如 15-12-2025
criterio CEP 参考号/凭证编号(如 3843CP04202512154771098591
emisor 付款方银行代码(如 40072
receptor 收款方银行代码(如 40012
monto 金额(墨西哥比索 MXN,如 140
cuenta 账户号

返回结果

{
  "status": "liquidado",
  "raw_length": 12345,
  "query": {
    "fecha": "15-12-2025",
    "criterio": "3843CP04202512154771098591",
    "monto": "140",
    "emisor": "40072",
    "receptor": "40012"
  }
}

返回状态说明:

  • liquidado — 支付已清算(验证通过)
  • captcha_error — 触发验证码拦截(通常为查询频率过高)
  • rate_limited — 查询次数超限,会话已自动重置
  • unknown — 未识别的响应内容
  • error — 请求失败,详见 message 字段

频率限制

内置限频器:约每 15 秒 4 次查询。使用 curl-cffi 伪装浏览器 TLS 指纹,降低被 Banxico WAF 拦截的概率。

开发调试

pip install -e .
banxico-cep-mcp

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