Build an SEO knowledge graph digital twin with Claude, Postgres, and Slack

by Oneclick AI Squad ✓ · 18 views · created 2026-09-24 · Market Research, AI Summarization

What this workflow does

This workflow has 23 nodes and runs manually, when you click “Execute workflow” (plus 1 other trigger). Along the way it connects Postgres and Slack. It also calls api.anthropic.com over HTTP.

How it runs

Trigger: Manually, when you click “Execute workflow” (plus 1 other trigger).

1. Set - Crawl Config (Edit Fields (Set)): sets 6 fields: seedUrl, sitemapUrl, maxPages…
2. HTTP Request: calls an HTTP API
3. JS - Parse Sitemap URLs (Code): runs custom JavaScript code
4. Loop Over Pages (Loop Over Items (Split in Batches)): loops over the items in batches
5. Postgres: run a query
6. HTTP Request: calls an HTTP API
7. JS - Build Digital Twin Summary (Code): runs custom JavaScript code
8. HTML: parses or builds HTML
9. Slack: uses Slack
10. JS - Normalize Page Data (Code): runs custom JavaScript code

…plus 11 more steps. See the full node list below.

Services it uses

PostgresSlack

HTTP calls to: api.anthropic.com

Scraping pages by hand? Firecrawl is a simpler option (10% off for new users).

Before you upgrade to n8n 3.0

Nodes used (11)

• Manual Triggern8n-nodes-base.manualTrigger
• Schedule Triggern8n-nodes-base.scheduleTrigger
• Edit Fields (Set)n8n-nodes-base.set
• HTTP Requestn8n-nodes-base.httpRequest
• Coden8n-nodes-base.code
• Loop Over Items (Split in Batches)n8n-nodes-base.splitInBatches
• HTMLn8n-nodes-base.html
• Postgresn8n-nodes-base.postgres
• Split Outn8n-nodes-base.splitOut
• Mergen8n-nodes-base.merge
• Slackn8n-nodes-base.slack

From the author

Quick overview This workflow crawls a website from its sitemap, extracts on-page content and links, uses Anthropic Claude to identify keywords and entities, stores everything as an SEO knowledge graph in Postgres, then posts crawl health stats to a Slack…

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