cron-explainer

Cron expression parser: explains any cron + returns next N fire times. Timezone-aware.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
100%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~178Tokens (tool definitions)
~1.2 KBTypical response size
Minimal attention impact (0.14% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "cron-explainer": {
      "url": "https://cron-explainer.cron-explainer-prod.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://cron-explainer.cron-explainer-prod.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (1)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢explain_cron(cron, tz, n)

Parse a POSIX/Vixie cron expression and return the next N fire times plus an English description. Timezone-aware (IANA). Best-effort accuracy. Billed at 1 EUR cent per successful call; non-2xx responses are refunded.

Input Schema

{
  "type": "object",
  "properties": {
    "cron": {
      "type": "string",
      "minLength": 1,
      "description": "POSIX/Vixie cron expression (5 fields, e.g. '*/15 * * * *')."
    },
    "tz": {
      "type": "string",
      "description": "IANA timezone (e.g. 'Europe/Lisbon'). Defaults to UTC."
    },
    "n": {
      "type": "integer",
      "minimum": 1,
      "maximum": 100,
      "default": 5,
      "description": "Number of upcoming fire times to return."
    }
  },
  "required": [
    "cron"
  ],
  "additionalProperties": false
}

Community

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Evidence

Recent observations

verifiedversion not recorded1 tools
verifiedversion not recorded1 tools
verifiedversion not recorded1 tools