my-server
my-server
一个带有 weather widget 的 MCP 服务器。server.tool({ widget: { dir: "weather" } }) 指向
src/widgets/weather/(React)。mcpfy-sdk 会把它打包好 — 不需要 server.widget(),不需要 HTML 文件,
也不要求 prompt/resource。
weather 工具在服务端从 Open-Meteo 获取温度。
widget 中的查询通过宿主调用该工具(callTool),iframe 不会直接 fetch 这个 API。
如果后续 main.tsx 要 fetch 另一个源,请取消注释 src/server.ts 中的 widget.csp.connectDomains。ChatGPT 和 Claude Desktop 会应用该配置;Inspector 通常不会。
运行
本地(启动 MCP 服务器;widgets 在监听时打包 — 无需先单独构建):
npm run dev # default transport: http
npm run dev:stdio
npm run dev:http # HTTP on port 4000生产环境 / ChatGPT(iframe 不能同样使用一次性的 dev 打包):
npm run build # mcpfy build && tsc
npm startRelated MCP server: EightyAndSunny
在 MCP host 中使用
{
"mcpServers": {
"my-server": {
"command": "npx",
"args": ["mcpfy", "dev", "--", "--stdio"],
"cwd": "/absolute/path/to/this-project"
}
}
}接下来
UI:
src/widgets/weather/main.tsx(mcpfy-sdk/widgethooks)无 UI 的工具:在
server.tool()上省略widget
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