Icyn Date runs on your own machine — the client starts it, so there is no endpoint to ping. 58 installs a week from npm. Last commit 10 Oct 2026.
Date context for agents: Chinese lunar calendar, solar terms, holidays for 12 regions. Offline.
What the code does
We read the source, 6 d ago · rules 995398eba69f
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
document.getElementById("rows").innerHTML=ev.filter(e=>e.start.startsWith("2026")).map(e=>
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
This code can reach further than it looks
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add icyn-date -- npx -y @icyn/date-mcp{
"mcpServers": {
"icyn-date": {
"command": "npx",
"args": [
"-y",
"@icyn/date-mcp"
]
}
}
}[mcp_servers.icyn-date]
command = "npx"
args = ["-y", "@icyn/date-mcp"]{
"mcpServers": {
"icyn-date": {
"command": "npx",
"args": [
"-y",
"@icyn/date-mcp"
]
}
}
}{
"servers": {
"icyn-date": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@icyn/date-mcp"
]
}
}
}Alternatives to Icyn Date
same job, measured the same wayJapanese calendar data (rokuyo, lucky days, solar terms, holidays, moon, sunrise), 1926-2080.
Japanese business days, holiday checks and invoice due dates for your AI agent.
Chinese BaZi Four Pillars engine: precise solar terms, true-solar-time, lunar, patterns, offline.
BaZi four pillars, Chinese zodiac, lunisolar calendar and almanac days for AI agents.
Chinese almanac: lunar calendar, BaZi 八字, daily 宜忌, lucky-day picker, public holidays.
Vietnamese Lunar Calendar for date and calendar conversion, and cultural insights.
Pre-injection context compression for coding agents. Zero LLM calls, zero telemetry, offline-safe.
Australian business days and holiday-aware due dates for your AI agent.
Icyn Date — questions
Answers built from our own checks of this server.