Summarize YouTube video transcripts in Discord with Gemini and Supabase — n8n Workflow

Hoog complexiteit Trigger19 knooppunten🤗 Support👁 1 weergavendoor Tristan V

Overzicht

YouTube Video Transcript Summarizer — Discord Bot

> Paste a YouTube URL into a Discord channel and this workflow automatically extracts the transcript, uses an LLM to generate a concise summary, and stores everything in a database — all in seconds.

> Self-hosted n8n only. This workflow uses the Execute Command node to run yt-dlp inside the n8n container. This requires shell access, which is only available on self-hosted instances (Docker, VPS, etc.) — it will not work on n8n Cloud.

Impo

Gebruikte knooppunten

DiscordSupabaseCodeGoogle Gemini

Workflow-voorvertoning

YouTube Video Summarizer — Discord Bot
Who is this for?
Teams or creators who want to automatically summarize Y
What does it do?
- Listens for YouTu
1. Trigger & URL Detection
Listens for every message in the configured Discord cha
How it works:
1. Discord Trigger fires on every new message
2.
2. Video Data Extraction
Runs yt-dlp to download subtitles and fetch video metad
How it works:
1. yt-dlp downloads auto-generated English subtitles (.
3. Transcript Processing
Reads the .vtt subtitle file and cleans it into plain t
How it works:
1. `cat` reads the VTT file (continueOnFail enabled)
2. Parse Transcript strips timestamps,
4. AI Summarization
Sends the clean transcript to Gemini 2.5 Flash for a co
How it works:
1. Gemini receives title, channel, and full transcript
2. Returns 3-5 paragraphs of pro
5. Save & Notify
Persists data to Supabase and replies in Discord.
How it works:
1. Save to Supabase inserts all fields into the `videos
2. Prepare Success Log builds a run record (sta
6. Error Handling
Catches any workflow crash and replies in Discord with
How it works:
1. Error Trigger fires on any unhandled node failure
2. Prepare Error Data classifies
Discord Bot Setup
1. Go to Discord Developer Portal
2. Create a new Application → Bot
3. Enable Message Content Intent under Privileged Inten
Gemini API Setup
1. Go to Google AI Studio
2. Click Create API Key
3. Copy the key
4. In n8n: Click the Gemini node → Credential → Create
5. Paste yo
Supabase Setup
1. Create a project at supabase.com
2. Go to Settings → API → copy the URL and anon key
3. In n8n: Create Supabase credential with URL + API ke
4.
Extract YouTube URL
D
Discord Trigger
I
Is YouTube URL?
Y
yt-dlp Get Metadata
Parse Metadata
R
Read Subtitle File
Parse Transcript
Message a model
Prepare Insert Data
Save to Supabase
Prepare Success Log
Log Run
Discord Reply
Discord Not YouTube Reply
E
Error Trigger
Prepare Error Data
Log Run Error
Discord Error Reply
Prepare Messages for Dis…
19 nodes17 edges

Hoe het werkt

  1. 1

    Trigger

    De workflow start met een trigger-trigger.

  2. 2

    Verwerking

    Gegevens stromen door 19 knooppunten, connecting code, discord, errortrigger.

  3. 3

    Uitvoer

    De workflow voltooit zijn automatisering en levert het resultaat aan de geconfigureerde bestemming.

Knooppuntdetails (19)

DI

Discord

discord

#1
SU

Supabase

supabase

#2
CO

Code

code

#3
GO

Google Gemini

n8n-nodes-langchain.googleGemini

#4

Hoe deze workflow te importeren

  1. 1Klik op de knop JSON downloaden rechts om het workflowbestand op te slaan.
  2. 2Open uw n8n-instantie. Ga naar Workflows → Nieuw → Importeren uit bestand.
  3. 3Selecteer het gedownloade bestand summarize-youtube-video-transcripts-in-discord-with-gemini-and-supabase en klik op Importeren.
  4. 4Stel inloggegevens in voor elk serviceknooppunt (API-sleutels, OAuth, enz.).
  5. 5Klik op Workflow testen om te controleren of alles werkt, activeer het vervolgens.

Of plak rechtstreeks in n8n → Importeren uit JSON:

{ "name": "Summarize YouTube video transcripts in Discord with Gemini and Supabase", "nodes": [...], ...}

Integraties

codediscorderrortriggerexecutecommandgooglegeminiifn8n-nodes-discord-trigger.discordtriggersupabase

Haal deze workflow op

Download en importeer met één klik

JSON downloadenBekijken op n8n.io
Knooppunten19
Complexiteithigh
Triggertrigger
Weergaven1
CategorieSupport

Gemaakt door

Tristan V

Tristan V

@tristanv

Tags

codediscorderrortriggerexecutecommandgooglegeminiifn8n-nodes-discord-trigger.discordtriggersupabase

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