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 workflow", "checkpoint", "process 10000 rows", "handle failures gracefully". Also use whenever webhook handlers, ETL jobs, or scraping pipelines are being built. Use this skill proactively — missing checkpoints is the #1 cause of duplicate charges, duplicate emails, and duplicate API calls in production n8n.
How to install mysql-checkpointing?
masteranime/n8n-claude-skills/mysql-checkpointing
$npx -y skills add masteranime/n8n-claude-skills --skill mysql-checkpointingInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Run `npx skills use "https://github.com/masteranime/n8n-claude-skills" --skill "masteranime/n8n-claude-skills/mysql-checkpointing"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/masteranime/n8n-claude-skills" that are relevant to the current task. Run `npx skills add "https://github.com/masteranime/n8n-claude-skills"` and select the relevant skills, then follow their instructions.
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