Force AI to use a specific output format

n8n template #1957

Summary

This workflow is for anyone looking to automatically fetch, validate, and parse complex language-based queries into a structured format. Its unique capability lies in not only processing language but also fixing invalid outputs before structuring them. Note that to use this template, you need to be on n8n version 1.19.4 or later.

Hand off to your agent

Prompt

Help me set up the n8n workflow "Force AI to use a specific output format" (https://n8n.io/workflows/1957). It uses: Basic LLM Chain, OpenAI Chat Model, Auto-fixing Output Parser, Structured Output Parser. Import the template JSON into my n8n instance, list every credential I need to create, and walk me through testing it.

Paste into Claude Code and it will do the rest.

Apps and nodes

Basic LLM Chain OpenAI Chat Model Auto-fixing Output Parser Structured Output Parser

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