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    cron-builder

    by Kevin Cline

    Convert natural language to cron expressions and explain complex schedules with run-time projections.

    Updated Apr 2026
    Security scanned
    One-time purchase

    $12

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    ⚡ Also available via Agensi Pro — your AI agent can load this skill on demand via MCP. Learn more →

    Included in download

    • Generate cron expressions from natural language descriptions
    • Translate legacy cron strings into plain English for documentation
    • Includes example output and usage patterns
    • Instant install
    • One-time purchase

    See it in action

    Cron Expression: 0 9 * * 1-5
Format: 5-field (Standard)
Plain English: Every weekday (Mon-Fri) at 9:00 AM

Next 5 Runs (UTC):
1. 2024-05-20 09:00
2. 2024-05-21 09:00
3. 2024-05-22 09:00
4. 2024-05-23 09:00
5. 2024-05-24 09:00

    About This Skill

    What it does

    This skill bridges the gap between natural language and complex schedule synchronization. It allows developers to describe timing requirements in plain English and receive precise cron expressions, or conversely, paste cryptic cron strings to get immediate, human-readable explanations. It handles the nuances of different cron syntax variations without requiring external documentation.

    Why use this skill

    Manually calculating cron schedules is prone to "off-by-one" errors and timezone confusion. Unlike a generic AI prompt, this skill is specifically tuned to recognize cross-platform syntax differences (like Quartz vs. Unix) and provides a structured breakdown including the next five execution times. This ensures your background jobs, GitHub Actions, or Kubernetes CronJobs run exactly when you intend them to.

    Supported Formats & Tools

    • Standard 5-Field: Unix crontab, GitHub Actions, and Kubernetes.
    • Extended 6/7-Field: AWS EventBridge, Spring, Quartz, and node-cron (including seconds and years).
    • Special Characters: Supports complex logic using L (Last), W (Weekday), # (Nth weekday), and ? (blank).
    • Shorthand Aliases: Handles @daily, @weekly, @hourly, and more.

    📖 Learn more: Best DevOps & Deployment Skills for Claude Code →

    Use Cases

    • Generate cron expressions from natural language descriptions
    • Translate legacy cron strings into plain English for documentation
    • Calculate the next 5 execution timestamps for any schedule
    • Verify syntax for GitHub Actions or AWS EventBridge rules

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    Security Scanned

    Passed automated security review

    Permissions

    No special permissions declared or detected

    Tags

    developer-tools
    scheduling
    devops
    utilities

    Creator

    K
    Kevin Cline

    ClawdWorks

    Builder of autonomous AI agents and Claude Code skills. ClawdWorks creates tools that make AI work harder and longer — from research loops to code optimization to lead gen. Powered by Claude Opus 4.6 + Codex 5.4.

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