Does it need real timestamps to make chapters?

It uses timestamps if your transcript includes them. If not, you still get section titles in order, just without exact times.

What if my episode is really long?

Transcripts are truncated at ~12,000 characters before being sent to the AI — for very long episodes, split the transcript or summarize the back half separately.

AI ContentAI-PoweredStructurally Validated

AI Podcast Show Notes Generator

Send this workflow your episode title and raw transcript, and it returns a written show-notes summary, a set of chapter/section titles, and a ready-to-post social media caption — all generated by AI and saved straight into a Google Sheet, with a Slack ping when it's ready to review. No more spending an hour writing show notes by hand after every recording.

Automation flow

Step 1

Send Transcript

You POST the episode title and transcript to a webhook.

Step 2

AI Generates Notes

The AI writes a summary, chapter titles, and a social post as structured JSON.

Step 3

Parse Response

The workflow extracts the show notes, chapters, and social copy.

Step 4

Save to Sheet

Everything is saved as a new row in Google Sheets.

Step 5

Notify Team

A Slack message lets your team know notes are ready to review.

How it works

1You send the episode title and transcript to the webhook.
2The AI reads the transcript and returns a written summary, a list of chapter/section titles, and a short social post — all as clean JSON.
3The response is parsed and saved as a new row in your Google Sheet.
4Your team gets a Slack ping that notes are ready to review.

Services used

OpenAI-compatible APIGoogle SheetsSlack

What you'll need

An n8n Cloud or self-hosted account
A way to send your transcript to n8n (see step 2)
An OpenAI API key (or any OpenAI-compatible endpoint — Claude, Gemini, and local models work with a small URL/body change)
A Google account (Sheets)
A Slack workspace (optional but recommended)

What's included

Works with any transcript source (Descript, Otter.ai, Riverside, manual paste)
Generates show notes, chapter titles, and a social caption in one pass
Bring your own AI API key — no markup on tokens
Everything saved to a searchable Google Sheet

Estimate what this could save you

Times per week

Minutes each time

Your hourly value ($)

3.6 hours/month

≈ $108/month in your time

A rough estimate based on what you enter above — not a guarantee. Actual time saved depends on your process.

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Save with the complete system: AI Content & Marketing Bundle

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Questions about this template

$22one-time

Secure checkout via Polar. Delivered by email instantly.

Structurally validated: automatically checked for valid n8n format before every deploy.

Difficulty: Easy
Setup time: ~15 min
Integrations: 3
Node count: 7
Format: .json + guide