Slash Command

/validate-schedule

Validates cron expressions (5/6 fields + extended syntax), explains in plain English, shows next 10 runs, frequency, issues/timezone impacts, suggestions, and 30-day calendar.

developer-tools

automation

npx claudepluginhub rohitg00/awesome-claude-code-toolkit --plugin cron-scheduler

Popularity

Parent stars

1,716

Parent forks

535

Invocation

How this command is triggered — by the user, by Claude, or both

Slash command

/cron-scheduler:validate-schedule

Model invocable

No pre-commands

Context Preview

The summary Claude sees in its command listing — used to decide when to auto-load this command

# /validate-schedule - Validate Cron Schedule

Validate and explain a cron schedule expression.

## Steps

1. Take the cron expression from the user (5 or 6 fields)
2. Parse each field: minute, hour, day of month, month, day of week
3. Validate syntax: check for valid ranges, step values, and special characters
4. Detect common mistakes: day/month confusion, 0-indexed vs 1-indexed weekdays
5. Translate the expression to plain English description
6. Calculate the next 10 execution times based on the current date
7. Calculate the frequency: how many times per day, week, month
8. Identify pote...

Command Content

29 lines · ~367 tokens

Other plugins with /validate-schedule

/cron

Designs, builds, and debugs scheduled tasks and recurring job systems using cron expressions and schedulers like BullMQ, Celery Beat, Quartz. Outputs schedule registry, scheduler setup, idempotency helpers, and monitoring files.

godmode

/modal-schedule

Configures scheduled Modal functions using cron expressions or periods with optional timezone, including best practices for error handling, retries, and resources.

modal-master

/schedule

3.5k

Manages scheduled workflow jobs — add via guided wizard, view dashboard, list, enable, disable, remove, and inspect logs.

octo

/jobs

1.1k

Manages cron jobs for the heartbeat daemon: list all jobs, create interactively, edit, or delete scheduled tasks in the project jobs directory.

claudeclaw

/schedule-claude

Sets up scheduled Claude Code jobs on macOS using launchd for the specified task, creates wrapper script and plist, and tests the schedule.

basics

/cron

Manages crontab jobs for automatic brain database sync: install with optional interval (1-60 min), check status, or remove. Uses marker for safe management.

brain

Stats

LanguageJavaScript

Parent stars1,716

Parent forks535

MaintenanceFair

Last CommitFeb 4, 2026

Actions

View Source View Plugin View on GitHub View README

Help us improve

Share bugs, ideas, or general feedback.

Stats

Actions

Help us improve

Share bugs, ideas, or general feedback.

# /validate-schedule - Validate Cron Schedule Validate and explain a cron schedule expression. ## Steps 1. Take the cron expression from the user (5 or 6 fields) 2. Parse each field: minute, hour, day of month, month, day of week 3. Validate syntax: check for valid ranges, step values, and special characters 4. Detect common mistakes: day/month confusion, 0-indexed vs 1-indexed weekdays 5. Translate the expression to plain English description 6. Calculate the next 10 execution times based on the current date 7. Calculate the frequency: how many times per day, week, month 8. Identify pote...

/validate-schedule - Validate Cron Schedule

Validate and explain a cron schedule expression.

Steps

Take the cron expression from the user (5 or 6 fields)

Parse each field: minute, hour, day of month, month, day of week

Validate syntax: check for valid ranges, step values, and special characters

Detect common mistakes: day/month confusion, 0-indexed vs 1-indexed weekdays

Translate the expression to plain English description

Calculate the next 10 execution times based on the current date

Calculate the frequency: how many times per day, week, month

Identify potential issues: running too frequently, not running at expected times

Check for timezone considerations and DST transition impacts

Suggest alternative expressions if the schedule could be simplified

Compare with common cron presets: @hourly, @daily, @weekly, @monthly

Display a visual calendar showing execution times for the next 30 days

Rules

Support both 5-field (standard) and 6-field (with seconds) cron formats

Validate ranges: minutes (0-59), hours (0-23), days (1-31), months (1-12), weekdays (0-7)

Handle both numeric and named values for months and weekdays

Warn about expressions that run more than 100 times per day

Note timezone implications for jobs that span midnight or DST boundaries

Detect mutually exclusive day-of-month and day-of-week combinations

Support extended cron syntax: L (last), W (weekday), # (nth weekday)