Local Weather MCP Server
Provides a health check and a get_weather tool to query current weather by city name via HTTP, designed for integration with Dify.
README
本地 Dify 可用的 MCP Server（HTTP）
这是一个最小可用的 MCP Server，提供 2 个工具：
health：连通性检查get_weather(location)：按城市名查询当前天气
1）安装依赖
如果你有系统 Python：
pip install -r requirements.txt
如果你要使用 Codex 内置 Python 运行时：
C:\\Users\\86318\\.cache\\codex-runtimes\\codex-primary-runtime\\dependencies\\python\\python.exe -m pip install -r requirements.txt
2）启动 MCP Server
python server.py
默认监听：
- Host：
0.0.0.0 - Port：
8787 - MCP URL：
http://127.0.0.1:8787/mcp
可选环境变量覆盖：
MCP_HOSTMCP_PORTMCP_PATH
示例：
$env:MCP_PORT='8800'; python .\\server.py
3）在本地 Dify 接入
在 Dify 的 MCP Server（HTTP）配置里填写：
- Server URL：
http://127.0.0.1:8787/mcp - Name：
local-weather - Server ID：
local_weather
保存后，Dify 应该能自动发现以下工具：
healthget_weather
4）调用示例
在 Agent 或 Workflow 中让模型调用：
healthget_weather，参数location = "Shanghai"
5）常见问题
- 如果 Dify 运行在 Docker 容器里，
127.0.0.1指向容器本身，不是宿主机。- 通常改用：
http://host.docker.internal:8787/mcp
- 通常改用：
- 如果连接失败：
- 检查端口
8787是否被占用 - 检查防火墙规则
- 确认 URL 包含
/mcp路径
- 检查端口
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