Schedule weekly social media posts with OpenAI and PostFast
UnknownUnknown. This template uses community nodes we can't verify statically. Uses community nodes that can't be verified statically (unverified community packages are off by default in 3.0). Static check, last run 2026-10-19.
What this workflow does
This AI workflow has 7 nodes and runs on a schedule (every week at 08:00). Along the way it connects OpenAI and Postfast (community).
How it runs
Trigger: On a schedule (every week at 08:00).
- Configure brand and topics (Edit Fields (Set)): sets 5 fields: brandName, brandVoice, topics…
- Get connected accounts (PostFast) (Post Fast): get many (social account)
- Select target accounts (Code): runs custom JavaScript code
- Write the week's posts (OpenAI): uses OpenAI
- Assign data-backed time slots (Code): runs custom JavaScript code
- Schedule posts via PostFast (Post Fast): create (social post)
Services it uses
Before you upgrade to n8n 3.0
We can't fully verify this one: it relies on 1 community package, and n8n 3.0 turns unverified community packages off by default (N8N_UNVERIFIED_PACKAGES_ENABLED=false).
- Check that n8n-nodes-postfast is verified or supports 3.0 (used in Get connected accounts (PostFast), Schedule posts via PostFast).
Nodes used (5)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Edit Fields (Set)
n8n-nodes-base.set - Post Fast
n8n-nodes-postfast.postFast - Code
n8n-nodes-base.code - OpenAI
@n8n/n8n-nodes-langchain.openAi
From the author
Quick overview This workflow runs every Monday to generate a week of social media posts with OpenAI, then schedules them at preselected high-reach time slots through PostFast for the social accounts you choose. How it works 1. Runs every Monday morning on a…