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Cron Reminder Scheduler

volcengine/OpenViking

Use the cron tool to schedule reminders, recurring tasks, or one-time events with simple expressions for intervals, cron syntax, or ISO timestamps; supports listing and removing jobs.

Cron Worker Scheduling

Schedule persistent in-session background workers using CronCreate with five-field cron expressions. Run security audits, optimization, memory consolidation, and codebase mapping on fixed clocks, with optional OS schedulers for jobs that outlive the session.

n8n Expression Syntax Validator

n8n-expression-syntax

sickn33/agentic-awesome-skills

Validate and fix n8n expression syntax in workflows. Covers {{}} syntax, $json/$node variables, webhook data access, and common pitfalls like Code nodes and credential fields. Includes practical examples for webhook-to-Slack and HTTP-to-Email integrations.

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