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New YouTube videos posted to Discord with AI summaries

by Mindketn8n workflowMarketing & SEO
Newversion 1 · updated
Nodes7Apps3Like

Overview

  1. YouTube Video Trigger
  2. Retrieve Caption Data
  3. Find English Captions
  4. Download Captions
  5. Caption File Conversion
  6. Caption Summary with ChatGPT
  7. Post to Discord
New YouTube videos posted to Discord with AI summaries, picture 1
‹2 / 2›

An n8n workflow that watches a YouTube channel, downloads the English captions of each new video, has OpenAI write three bullet points and posts them with the title and link to Discord.

New YouTube videos posted to Discord with AI summaries is an n8n workflow in the Marketing & SEO category, listed by Mindket. It is free. This is version 1, last updated on . Download it on this page or copy its JSON, then import it into an n8n canvas. Nothing runs until you activate it in n8n.

At a glance

Runs in
  • n8n Cloud: import the file there and activate it
  • Your own n8n server: the same file and steps
  • YouTube: where the videos and their captions come from
  • Discord: where the posts appear

Platform

n8nWorkflow automation, in n8n’s cloud or on your own server
Connects 3 apps

How it works

Trigger

On each new video

It starts when your channel’s feed shows a new video, checked every minute, or when you click Test workflow in n8n:

  • Your channel’s id, set in YouTube Video Trigger
  • The summary prompt, set in Caption Summary with ChatGPT
  • The caption language, set in Find English Captions

Actions

  1. The video’s caption tracks are listed
  2. The English track is picked and downloaded
  3. The captions are read as text
  4. OpenAI writes three bullet points
  5. The title, the summary and a link are posted to Discord

Result

A Discord post for each new video, with a three-point summary

Integrations

What you need before you start.

YouTube

Videos and captions

Supplies the new-video feed and the caption files.

NeedsA Google OAuth2 credential for a channel you own

OpenAI

Summarizer

Writes three bullet points from the captions.

NeedsAn OpenAI API key

Discord

Announcements

Receives and shows each post.

NeedsA channel webhook URL

Workflow check

Checked by Mindket on 13 Nov 2026

Steps
7 steps, starting on a Rss Feed Read event
AI
1 step calls an AI model: Caption Summary with ChatGPT
Sign-ins
Signs in to: YouTube, Discord webhook and Rss Feed Read
API keys
No API key is left in the file
Step types
Mindket’s checker reads all 6 of its step types

Read from the workflow’s file, not from a run.

About

What it is

This n8n workflow shares your new YouTube videos on Discord with a short summary. It watches the channel’s feed, downloads the English captions of each new video and has OpenAI write three bullet points. The title, the summary and a link go to a Discord channel. Seven nodes run it, beside one sticky note.

Who it suits

Creators and teams with their own YouTube channel and a Discord server who want each upload announced with a summary. Skip it for other people’s channels, since YouTube lets only a user who may edit a video download its captions.

Who uses it, and how
IndustryWho uses itHow they use itExample
CreatorsYouTubers with a serverAnnounce each upload to their communityA creator’s members see the video and three bullets as soon as it is up.
EducationCourse teamsShare lectures with a summaryA teacher posts each lecture with a recap for students who missed it.
BusinessCompany channelsTell staff about new videosAn internal team shares each update video with its key points.
MediaPodcast teamsShare episodes with a recapA show with video episodes posts each one with a three-point teaser.

You need some n8n, a YouTube channel you own, an OpenAI key and a Discord webhook: import a file, add three credentials and edit one address.

Where to use it

Any n8n that can reach YouTube, OpenAI and Discord will run it. Activate it so it checks the feed every minute.

  • n8n Cloud: import the file there and activate it
  • Your own n8n server: the same file and steps
  • YouTube: where the videos and their captions come from
  • Discord: where the posts appear

Setup

Download saves a zip with workflow.json and Mindket’s setup notes in your downloads folder. Setup takes three credentials and your channel’s id.

What you need first
NeedDetail
n8nOn n8n Cloud or on a server of your own
YouTubeA channel you own and a Google OAuth2 credential for the YouTube Data API
OpenAIAn API key
DiscordA channel with an Incoming Webhook
CaptionsAn English caption track on each video
  1. In n8n, create a workflow, open its menu, choose Import from File and pick workflow.json.
  2. In YouTube Video Trigger, replace <YOUR_YOUTUBE_CHANNEL_ID> with your channel’s id.
  3. Add the YouTube credential and select it in Retrieve Caption Data and Download Captions.
  4. Add an OpenAI credential and select it in Caption Summary with ChatGPT.
  5. Add a Discord Webhook credential and select it in Post to Discord.
  6. Click Test workflow, then activate the workflow.

How to use it

Activate it and publish a video with an English caption track. A minute or so later, check the channel for the post. Try the first video by hand with Test workflow.

What to change for a different result
To changeWhere
The summaryThe prompt in Caption Summary with ChatGPT
The messageThe text in Post to Discord
The caption languageThe en in Find English Captions
How often it checksThe poll time in YouTube Video Trigger

Example

A creator uploads a ten-minute tutorial with an English caption track. The feed shows the new video at the next poll.

The workflow downloads the track, and OpenAI sums it up in three bullets. Discord shows the title in bold, the bullets and a Watch link.

For newcomers and experts

If you are new. n8n draws a workflow as boxes joined by lines, and each box, a node, does one job. Here one box watches the feed, two fetch the captions, one reads them as text, one summarizes and one posts. Try it with a short video first.

For experts. The feed entry’s id is yt:video: followed by the video id, and a regular expression cuts it out. The caption list is a YouTube Data API call, and Find English Captions picks a track with a JMESPath expression.

Where to look closer
NodeWhat it doesWhat to know
Retrieve Caption DataLists the video’s caption tracksIt costs 50 units of quota
Download CaptionsFetches the trackIt costs 200 units and needs permission to edit the video
Caption File ConversionReads the track as textThe text keeps its time codes
Caption Summary with ChatGPTWrites three bulletsIt names gpt-5.6-terra

Good to know

The workflow works for your own videos only, and a video with no English track stops the run.

  • The repair: the summary step named gpt-3.5-turbo, which OpenAI’s deprecations page, read on 12 November 2026, lists as shut down on 23 October 2026. This copy names gpt-5.6-terra, the replacement the page gives
  • Permission: YouTube’s page on downloading captions says the method requires permission to edit the video
  • Quota: each new video costs 250 units of the 10,000 a day
  • Tracks: the pages read do not say whether auto-generated tracks can be downloaded, and a new video may have no track yet
  • Not run: this copy was not run against YouTube, OpenAI or Discord
  • Your data: the captions go to OpenAI, and the title, the summary and the link go to Discord
  • Credentials: the JSON holds none

README and files

README

New YouTube videos posted to Discord with AI summaries

An n8n workflow that watches a YouTube channel's feed. For each new video it downloads the English captions, has OpenAI write three bullet points about the video and posts the title, the summary and a link to a Discord channel.

What is inside

  • workflow.json: the workflow as n8n exports it, eight nodes: seven that do the work and one sticky note. It holds no credential.
  • README.md: these notes.

What we changed from the original copy

  • The credential links are gone. Select your own for YouTube, OpenAI and Discord.
  • The summary step named gpt-3.5-turbo. OpenAI's deprecations page, read on 12 November 2026, lists it as shut down on 23 October 2026, with gpt-5.6-terra as the replacement. The step has no tools, and this copy names gpt-5.6-terra.
  • The feed address named one channel. It now holds <YOUR_YOUTUBE_CHANNEL_ID>.
  • The sticky note was rewritten. A link to a video tutorial was cut, and lines were added about who may download captions and the need for an English track.
  • Nothing else.

Before you start

  • An n8n instance, on n8n Cloud or your own server.
  • A YouTube channel that you own, and a Google OAuth2 credential in n8n for the YouTube Data API. The API's page on downloading captions lists the youtube.force-ssl scope.
  • An OpenAI API key.
  • A Discord channel with an Incoming Webhook.
  • An English caption track on each video, ready by the time the workflow reads it.

Set it up

  1. In n8n, create a workflow, open its menu and choose Import from File. Pick workflow.json.
  2. In YouTube Video Trigger, replace <YOUR_YOUTUBE_CHANNEL_ID> with your channel's id. YouTube's advanced account settings page shows it.
  3. Add the YouTube credential and select it in Retrieve Caption Data and Download Captions. Sign in with the account that owns the channel.
  4. Add an OpenAI credential and select it in Caption Summary with ChatGPT.
  5. Add a Discord Webhook credential and select it in Post to Discord.
  6. Click Test workflow, then activate it.

How a run goes

  1. YouTube Video Trigger reads the channel's feed every minute and starts a run for each new video.
  2. Retrieve Caption Data cuts the video id from the feed entry's id, the text after the second colon, and asks YouTube for that video's caption tracks.
  3. Find English Captions keeps the first track whose language is en.
  4. Download Captions fetches that track.
  5. Caption File Conversion reads the file as text and stores it under content.
  6. Caption Summary with ChatGPT asks for three bullet points on what the video is about and why to watch it.
  7. Post to Discord posts the title in bold, the summary and a Watch link.

Change the look

  • The summary: the prompt in Caption Summary with ChatGPT.
  • The message: the text in Post to Discord.
  • The caption language: the en in Find English Captions.
  • How often it checks: the poll time in YouTube Video Trigger.

Good to know

  • YouTube's page on downloading captions, read on 12 November 2026, says the method "requires the user to have permission to edit the video". The workflow works for your own videos and fails for other people's.
  • Each new video costs 250 units of YouTube quota: 50 for the list and 200 for the download. The quota page gives 10,000 units a day.
  • The pages read do not say whether auto-generated tracks can be downloaded, and a new video may have no track yet. When no English track is found, Download Captions stops with an error.
  • YouTube returns the track in its original format, so a file with time codes goes to the model as it is. A long video makes a long prompt.
  • This copy was not run against YouTube, OpenAI or Discord.
  • The captions go to OpenAI, and the title, the summary and the link go to Discord.
  • The JSON holds no credential.
Files
NOTICE.md  616 B
README.md  4 KB
workflow.json  6 KB

3 files, 10 KB, downloaded as a zip.

What’s new

  • Version 1 · 2026-11-13

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