Templates / Analyze and chat with XML files using GPT and LangChain

Analyze and chat with XML files using GPT and LangChain

Needs changes

by Sarfaraz Muhammad Sajib ✓ · 1,173 views · created 2025-07-21 · Document Extraction, AI RAG

Needs changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 9 nodes and runs when a chat message arrives (plus 1 other trigger). Along the way it connects OpenAI Chat Model.

How it runs

Trigger: When a chat message arrives (plus 1 other trigger).

  1. AI Agent: runs an AI agent, with model: OpenAI Chat Model; 1 tool (Get XML)
  2. Set XML URL (Edit Fields (Set)): sets or maps fields
  3. HTTP Request: calls an HTTP API
  4. XML: converts between XML and JSON
  5. Prepare output (Code): runs custom JavaScript code

Services it uses

OpenAI Chat Model

Before you upgrade to n8n 3.0

1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:

  • AI Agent v1 (old agent modes) in AI Agent (v1.3): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).

Removed in 3.0Replace with
AI Agent v1 (old agent modes)
AI Agent (v1.3)
Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Nodes used (9)

From the author

This workflow allows interactive conversation with the content of an XML file using OpenAI and LangChain. It fetches an XML feed from a specified URL, parses the XML, and enables an AI agent to respond to user queries based on the XML's structure and data.…

Excerpt from Sarfaraz Muhammad Sajib's description on n8n.io.

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

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