Cron Schedule MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 547 installs a week from npm. Last commit 2 Nov 2026.
Cron expression helper: explain a schedule in plain words and list its next run times, with
Today is the operative word: we check Cron Schedule MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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 cron-schedule-mcp -- npx -y @mrfentmen/cron-schedule-mcp
{
"mcpServers": {
"cron-schedule-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/cron-schedule-mcp"
]
}
}
}
[mcp_servers.cron-schedule-mcp]
command = "npx"
args = ["-y", "@mrfentmen/cron-schedule-mcp"]
{
"mcpServers": {
"cron-schedule-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/cron-schedule-mcp"
]
}
}
}
{
"servers": {
"cron-schedule-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mrfentmen/cron-schedule-mcp"
]
}
}
}
Validate and explain cron expressions; list next/previous run times in any time zone, DST-aware.
Parse, explain and validate 5-field cron expressions and list upcoming runs in a time zone.
Cron expression parser: explains any cron + returns next N fire times. Timezone-aware.
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MCP server for cron expression parsing, validation, and scheduling.
Build, explain, and validate cron expressions
Parse, describe, and compute next runs for cron expressions locally. No network and no key.
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Answers built from our own checks of this server.