Generate llms.txt from a website sitemap using forms and HTTP requests

by isaWOW ✓ · 7 views · created 2026-07-10 · Document Extraction

What this workflow does

This workflow has 9 nodes and runs when someone submits an n8n form (“llms.txt Generator”). It uses only n8n's built-in nodes.

How it runs

Trigger: When someone submits an n8n form (“llms.txt Generator”).

1. 2. Set Config (Edit Fields (Set)): sets 4 fields: siteName, siteDescription, sitemapUrl…
2. 3. Fetch Sitemap (HTTP Request): calls an HTTP API
3. 4. Resolve Leaf Sitemaps (Code): runs custom JavaScript code
4. 5. Fetch Leaf Sitemaps (HTTP Request): calls an HTTP API
5. 6. Extract Page URLs (Code): runs custom JavaScript code
6. 7. Fetch Page HTML (HTTP Request): calls an HTTP API
7. 8. Build llms.txt File (Code): runs custom JavaScript code
8. 9. Show Result Page (n8n Form): shows the next form page

Before you upgrade to n8n 3.0

Nodes used (5)

• n8n Form Triggern8n-nodes-base.formTrigger
• Edit Fields (Set)n8n-nodes-base.set
• HTTP Requestn8n-nodes-base.httpRequest
• Coden8n-nodes-base.code
• n8n Formn8n-nodes-base.form

From the author

Quick overview This workflow uses an n8n Form and HTTP requests to read a website sitemap, fetch each listed page, extract the page title and meta description, and generate an llms.txt file that you can preview, copy, or download. How it works 1. Receives a…

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