AMAP MCP Server
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@AMAP MCP ServerPlan a 3-day trip in Xi'an with sights and nearby restaurants"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
TravelPlanner-Agent
基于 LangGraph + MCP 的智能旅行规划 Agent。通过自然语言对话,自动调用高德地图 API 获取真实天气和景点数据,按地理距离聚类分组,生成结构化的多天行程(含地图标点、就近餐厅推荐)。
功能特性
多 Agent 编排:LangGraph 图驱动(偏好提取 → 记忆检索 → 意图判断 → 工具调用 → 行程规划)
真实数据:通过 MCP 连接高德地图,获取实时天气、景点(带坐标)、周边餐厅
路径规划:K-means 聚类 + 最近邻链,地理相近的景点安排在同一天,游览顺路不折返
向量记忆:本地 embedding 模型 + ChromaDB,自动提取用户偏好并按语义检索注入
结构化输出:
with_structured_output生成 TripPlan JSON,前端卡片 + 高德地图展示Eval 回归:固定用例自动评估意图分流、结构化输出、工具调用、偏好提取
Related MCP server: Ingrids Reisetjenester
技术栈
类别 | 技术 |
后端 | FastAPI + LangGraph |
LLM | DeepSeek(主对话 / 结构化输出 / 偏好提取) |
外部服务 | 高德地图 API(通过 MCP) |
向量 | ChromaDB + BGE 本地 embedding |
前端 | 内嵌 HTML + 高德 JS API |
架构
用户输入
→ extract(偏好提取,两级过滤:关键词粗筛 + LLM 精判)
→ retrieve(记忆检索,从向量库查相关偏好注入)
→ route(意图判断:规划 or 闲聊)
→ model(LLM 决定调用工具)
→ tools(MCP 高德:天气 / 景点 / 周边餐厅)
→ plan(K-means 聚类分组 + LLM 结构化输出 TripPlan)
→ 前端卡片 + 地图展示快速开始
环境要求
Python 3.10+
本地 embedding 模型(BGE,需下载,见下文)
1. 安装依赖
pip install -r requirements.txt2. 下载本地 embedding 模型
项目使用 BAAI/bge-small-zh-v1.5 做向量检索。从魔搭(ModelScope)下载到 models/ 目录:
mkdir -p models
python -c "from modelscope import snapshot_download; snapshot_download('AI-ModelScope/bge-small-zh-v1.5', local_dir='./models/bge-small-zh-v1.5')"3. 配置环境变量
复制 .env.example 为 .env,填写你的 key:
# DeepSeek(主对话 + 结构化输出 + 偏好提取)
DEEPSEEK_API_KEY=your_deepseek_key
DEEPSEEK_BASE_URL=https://api.deepseek.com
# 高德地图(Web 服务 API Key,后端调天气/景点/餐厅)
AMAP_API_KEY=your_amap_web_key4. 前端高德 JS Key
打开 app.py,把 HTML 里的 YOUR_AMAP_JS_KEY 替换成你的高德 JS API Key(和 Web 服务 Key 是两个不同的 key)。
5. 启动
python app.py浏览器访问 http://localhost:8000 ,输入如"帮我规划西安三天行程"。
目录结构
TravelPlanner-Agent/
├── app.py # 主后端(FastAPI + LangGraph 图)
├── amap_mcp_server.py # 高德 MCP Server(天气/景点/周边餐厅)
├── config.py # 配置(从 .env 读取)
├── eval_app.py # Eval 回归测试
├── requirements.txt # 依赖
└── examples/ # 学习版示例(V0-V5 逐步搭建过程)
├── main.py # V0 最小 LLM 调用
├── trip_agent.py # V2 手写 Agent Loop
├── graph_agent.py # V3 LangGraph 版
├── v4_memory.py # V4 手工记忆
├── v4_vector_memory.py # V4 向量检索记忆
├── v5_eval.py # V5 Eval
└── test_structured.py # 结构化输出验证运行 Eval
python eval_app.py会运行 6 个用例,自动评估:意图分流、结构化输出完整性、工具调用、偏好提取。
安全说明
.env已加入.gitignore,请勿提交真实 API Key高德 JS Key 是前端 key,明文暴露靠域名白名单限制;请配置自己的白名单
本地模型和向量库数据不提交到仓库
License
MIT
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