Templates / 🛠️ Process AI Output to Structured JSON with Robust JSON Parser

🛠️ Process AI Output to Structured JSON with Robust JSON Parser

Ready for 3.0

by Lucas Peyrin ✓ · 4,030 views · created 2025-06-23 · Engineering, AI Summarization

Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.

What this workflow does

This workflow has 4 nodes and runs when another workflow calls it. It uses only n8n's built-in nodes.

How it runs

Trigger: When another workflow calls it.

Convert to JSON (Edit Fields (Set)): sets or maps fields
Safe JSON Parser (Code): runs custom JavaScript code
Remove parsing_status (Edit Fields (Set)): sets or maps fields

Before you upgrade to n8n 3.0

Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.

Nodes used (3)

Execute Workflow Triggern8n-nodes-base.executeWorkflowTrigger
Coden8n-nodes-base.code
Edit Fields (Set)n8n-nodes-base.set

From the author

How it works This workflow is a robust and forgiving JSON parser designed to handle malformed or "dirty" JSON strings often returned by AI models or scraped from web pages. It takes a text string as input and attempts to extract and parse a valid JSON object…
Excerpt from Lucas Peyrin's description on n8n.io.

View the original on n8n.io → Check your own copy