mysql-checkpointing

Make n8n workflows idempotent, resumable, and safe at scale using MySQL/Postgres checkpoint tables, batch processing patterns, duplicate prevention, and dynamic table creation. Use this skill whenever the user is building an n8n workflow that processes batches of data, handles webhooks, polls APIs, or runs on a schedule — phrases like "idempotent pipeline", "batch processing", "don't process duplicates", "resumable…