Create reviewed process videos with OpenAI TTS and schedule via Metricool

by takafumi sekine ✓ · 2 views · created 2026-10-05 · Content Creation, Multimodal AI

What this workflow does

This workflow has 59 nodes and runs manually, when you click “Execute workflow” (plus 3 other triggers). It uses only n8n's built-in nodes. It also calls api.openai.com and app.metricool.com over HTTP.

How it runs

Trigger: Manually, when you click “Execute workflow” (plus 3 other triggers).

1. Create synthetic video manifest (Code): runs custom JavaScript code
2. Configure video production (Edit Fields (Set)): sets or maps fields
3. Mark publication monitoring request (Code): runs custom JavaScript code
4. Export setup files (Code): runs custom JavaScript code
5. Publication monitoring request? (If): checks a condition and branches into true / false
6. Monitor Metricool enabled? (If): checks a condition and branches into true / false
7. Validate stages and face review entries (Code): runs custom JavaScript code
8. Read recorded scheduled videos (HTTP Request): calls an HTTP API (GET)
9. Use synthetic video manifest? (If): checks a condition and branches into true / false
10. Prepare scheduled post status checks (Code): runs custom JavaScript code

…plus 43 more steps. See the full node list below.

HTTP calls to: api.openai.com, app.metricool.com

Before you upgrade to n8n 3.0

Nodes used (11)

• Manual Triggern8n-nodes-base.manualTrigger
• n8n Form Triggern8n-nodes-base.formTrigger
• Coden8n-nodes-base.code
• Edit Fields (Set)n8n-nodes-base.set
• Ifn8n-nodes-base.if
• HTTP Requestn8n-nodes-base.httpRequest
• n8n Formn8n-nodes-base.form
• Loop Over Items (Split in Batches)n8n-nodes-base.splitInBatches
• Waitn8n-nodes-base.wait
• Schedule Triggern8n-nodes-base.scheduleTrigger
• No Operation, do nothingn8n-nodes-base.noOp

From the author

Quick overview This workflow collects a scene manifest and zipped images from an authenticated n8n form, validates stage order and face-review metadata, renders a narrated process video via a companion renderer service, and optionally schedules the approved…

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