current-time-timezone-server
Version:
MCP服务器，提供NTP校准的当前时间和时区相关功能，支持stdio和HTTP/SSE，可配置host和protocol，支持.env文件，返回指定时区的本地时间
73 lines • 3.03 kB
JavaScript
import { z } from "zod";
import { getNtpTime, getLocalTimeInTimezone } from "./time.js";
export const registerTimeTool = (server) => {
server.registerTool("get_current_time", {
title: "Get Current Time",
description: "Get NTP-synchronized current time, return local time for specified timezone",
inputSchema: {
timezone: z.string().optional().describe('Timezone, e.g. "Asia/Shanghai"')
}
}, async ({ timezone }) => {
const ntpServer = process.env.NTP_SERVER || "pool.ntp.org";
try {
const ntpTime = await getNtpTime(ntpServer);
const targetTime = getLocalTimeInTimezone(ntpTime, timezone);
const timestamp = Math.floor(ntpTime.getTime() / 1000); // 使用统一的UTC时间戳
const isoTime = ntpTime.toISOString();
// 使用统一的格式显示本地时间
const localTimeStr = targetTime.toLocaleString('en-US', {
year: 'numeric',
month: '2-digit',
day: '2-digit',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
hour12: false
});
return {
content: [{
type: "text",
text: JSON.stringify({
localTime: localTimeStr,
isoTime: isoTime,
timestamp: timestamp,
timezone: timezone || 'Asia/Shanghai',
ntpServer: ntpServer,
status: "success"
}, null, 2)
}]
};
}
catch (error) {
const now = new Date();
const targetTime = getLocalTimeInTimezone(now, timezone);
const timestamp = Math.floor(now.getTime() / 1000); // 使用统一的UTC时间戳
const isoTime = now.toISOString();
// 使用统一的格式显示本地时间
const localTimeStr = targetTime.toLocaleString('en-US', {
year: 'numeric',
month: '2-digit',
day: '2-digit',
hour: '2-digit',
minute: '2-digit',
second: '2-digit',
hour12: false
});
return {
content: [{
type: "text",
text: JSON.stringify({
localTime: localTimeStr,
isoTime: isoTime,
timestamp: timestamp,
timezone: timezone || 'Asia/Shanghai',
ntpServer: ntpServer,
status: "warning",
message: "NTP failed, using local time"
}, null, 2)
}]
};
}
});
};
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