Automate Multilingual Slack Communication (JA ⇄ EN) with Gemini 2.5 Flash β€” n8n Workflow

High complexityπŸ”— Webhook24 nodes🏷️ MiscellaneousπŸ‘ 2 viewsby Tomohiro Goto

Overview

🧠 How it works
This workflow automatically translates messages between Japanese and English inside Slack β€” perfect for mixed-language teams.
In our real-world use case, our 8-person team includes Arif, an English-speaking teammate from Indonesia, while the rest mainly speak Japanese.

Before using this workflow, our daily chat often included:
β€œCan someone translate this for Arif?”
β€œI don’t understand what Arif wrote β€” can someone summarize it in Japanese?”
β€œI need to post this announ

Nodes used

HTTP RequestCodeBasic LLM ChainGoogle Gemini Chat Model

Workflow Preview

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How it Works

  1. 1

    Trigger

    The workflow starts with a webhook trigger.

  2. 2

    Process

    Data flows through 24 nodes, connecting chainllm, code, httprequest.

  3. 3

    Output

    The workflow completes its automation and delivers the result to the configured destination.

Node Details (24)

HT

HTTP Request

httpRequest

#1
CO

Code

code

#2
BA

Basic LLM Chain

n8n-nodes-langchain.chainLlm

#3
GO

Google Gemini Chat Model

n8n-nodes-langchain.lmChatGoogleGemini

#4

How to Import This Workflow

  1. 1Click Download JSON button on the right to save the workflow file.
  2. 2Open your n8n instance. Go to Workflows β†’ New β†’ Import from file.
  3. 3Select the downloaded automate-multilingual-slack-communication-ja-en-with-gemini-25-flash file and click Import.
  4. 4Set up credentials for each service node (API keys, OAuth, etc.).
  5. 5Click Test Workflow to verify everything works, then activate it.

Or paste directly in n8n β†’ Import from JSON:

{ "name": "Automate Multilingual Slack Communication (JA ⇄ EN) with Gemini 2.5 Flash", "nodes": [...], ...}

Integrations

chainllmcodehttprequestiflmchatgooglegeminirespondtowebhookswitchwebhook

Get This Workflow

Download and import in one click

View on n8n.io
Nodes24
Complexityhigh
Triggerwebhook
Views2
CategoryMiscellaneous

Created by

Tomohiro Goto

Tomohiro Goto

@taoo

Tags

chainllmcodehttprequestiflmchatgooglegeminirespondtowebhookswitchwebhook
⚑

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