Produce newsletters: Slack for engagement
Runs on a schedule across Slack and PostgreSQL, summarises long text with an AI chain. Built for engagement, around a "Read Recent from PostgreSQL" step, in 16 documented nodes.
Produce newsletters with PostgreSQL and Slack automatically. An original, ready-to-import n8n workflow built around the 'Content Generation' pattern for marketing & advertising. It runs on a schedule and orchestrates 16 nodes across Slack, PostgreSQL. It uses n8n's LangChain AI nodes (Agent/Chain + chat model). Retry-on-fail is enabled on external calls. Import the JSON, add your credentials, and adapt the parameters. Your team sees the right data at the right time.
Key benefits
- ✓Keeps Slack and PostgreSQL in step for engagement, without anyone re-typing a row
- ✓A failed Slack or PostgreSQL call is retried rather than dropped, at any of the 16 nodes in this engagement build
- ✓The engagement AI step is isolated from Slack, so models swap without touching the other 16 nodes
- ✓Pinned sample data ships with it — run all 16 nodes for engagement before wiring Slack
- ✓16 nodes, each with a doc card explaining what it does for engagement
Use cases
- →Teams keeping Slack and PostgreSQL aligned by hand for engagement
- →Engagement work where "Read Recent from PostgreSQL" is still a manual step before Slack
- →Engagement work that only reaches Slack on a schedule, when someone remembers to start it
Integrations
Workflow preview (16 nodes)
The template's actual node layout and connections. Node parameters and credential slots unlock with the download.
What's inside (16 nodes)
A look at the node types this workflow uses. No purchase required — full parameters and credentials are yours after you buy.
From download to running in 3 steps
- 1Import. In n8n, open Workflows → menu → “Import from File” and pick the downloaded JSON.
- 2Connect. Add your own credentials on the app nodes - n8n highlights exactly which ones need them.
- 3Activate. Run it once to test, then toggle Active. The automation is live.
What you'll learn
Advanced levelAdds branching depth and audit logging on top of the core pattern.
- •Chaining a writer pass and a separate critic pass for better output
- •Converting markdown to HTML for delivery
- •Moving data between PostgreSQL and Slack in a single run
Every node carries its own documentation on the canvas, plus notes explaining why the architecture was built this way, a credential setup guide, troubleshooting, and three practice exercises. Sample data comes pinned to the trigger, so you can hit Execute and watch data flow before connecting a single account.
Common questions
What exactly do I get?
The complete, ready-to-import n8n workflow as a JSON file, delivered instantly after payment. Import it into your own n8n (cloud or self-hosted), add your credentials, and it runs.
How do I import it into n8n?
In n8n, open Workflows, click the three-dot menu, choose “Import from File”, and select the downloaded JSON. Then connect your own app credentials on the highlighted nodes.
Do I need anything else for it to work?
You need your own n8n instance and accounts/credentials for the apps this workflow connects to (Slack, PostgreSQL). No coding is required.
What if it doesn't work for me?
If the file is faulty, won't import, or isn't as described, contact us within 7 days and we'll fix it or refund you - see our refund policy.
Can I modify or resell it?
You can freely adapt and use it in your own or your clients' projects. Reselling or redistributing the template file itself is not permitted.
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