12306-mcp

# 12306-MCP 服务架构 ## 整体架构  ```mermaid graph TB subgraph "用户层" User["用户"] LLM["大语言模型"] end subgraph "MCP 服务层" McpServer["MCP Server"] subgraph "基础工具层" GetDate["get-current-date"] GetCityStations["get-stations-code-in-city"] GetCityCodes["get-station-code-of-citys"] GetStationNames["get-station-code-by-names"] GetStationInfo["get-station-by-telecode"] end subgraph "核心工具层" GetTickets["get-tickets"] GetInterline["get-interline-tickets"] GetRoute["get-train-route-stations"] end end subgraph "数据层" Stations["STATIONS<br/>(车站id→车站信息)"] CityStationsMap["CITY_STATIONS<br/>(城市名→车站id(可能一个城市多个站))"] CityCodes["CITY_CODES<br/>(车站名(与城市名相同,只会有一个) →车站id)"] NameStations["NAME_STATIONS<br/>(车站名→车站id)"] end subgraph "外部服务" Api12306["12306 API"] end User --> LLM LLM <--> McpServer GetDate -.-> GetTickets GetDate -.-> GetInterline GetDate -.-> GetRoute GetCityCodes -.-> GetTickets GetCityCodes -.-> GetInterline GetStationNames -.-> GetTickets GetStationNames -.-> GetInterline GetStationNames -.-> GetRoute GetTickets -.-> GetRoute GetTickets --> Api12306 GetInterline --> Api12306 GetRoute --> Api12306 GetCityStations --> CityStationsMap GetCityCodes --> CityCodes GetStationNames --> NameStations GetStationInfo --> Stations ```