Summarize & reply to Slack channel messages with Claude AI assistant
What It Does Mello is a Claude-powered Slack assistant that helps you stay on top of unread messages across all your channels. It: - Summarizes conversations contextually using Claude AI. - Generates reply suggestions and sends them as private (ephemeral) Slack messages. - Lets you respond instantly with one-click AI-suggested replies. Perfect for busy teams, founders, and anyone looking to reduce Slack noise and save hours each week. --- π§ Setup Instructions 1. Create a Slac
At a glance
Summarize & reply to Slack channel messages with Claude AI assistant is a ready-made n8n workflow you import as a workflow JSON file β no build required. It connects Slack, OpenAI. It's free to download. Follow the 5-step import below to go live in minutes.
- Platform
- n8n
- Connects
- Slack, OpenAI
- Modules
- 8
- Price
- Free
- Version
- v1.0

About this workflow
What It Does Mello is a Claude-powered Slack assistant that helps you stay on top of unread messages across all your channels. It: - Summarizes conversations contextually using Claude AI. - Generates reply suggestions and sends them as private (ephemeral) Slack messages. - Lets you respond instantly with one-click AI-suggested replies. Perfect for busy teams, founders, and anyone looking to reduce Slack noise and save hours each week. --- π§ Setup Instructions 1. Create a Slack App - Go to Slack API β Your Apps - Click Create New App and set it up for your workspace - Under OAuth & Permissions, add: - Bot Token Scopes: commands, chat:write, channels:history, users:read - User Token Scopes: channels:history, chat:write - Enable Interactivity, and point the Request URL to your n8n webhook (e.g. /slash-summarize) 2. Add Claude API - Get an API key from Claude (Anthropic) - In n8n, set up the Claude API credential (or switch to OpenAI) 3. Import This Workflow - Go to your n8n instance, click Import, and paste this template - Update any placeholders (Slack app, Claude key, webhook URLs) - Follow the inline sticky notes for guidance 4. Test It - Type /summarize in any Slack channel - Mello will fetch unread messages, summarize them, and show reply buttons in a private message β± Setup time: 10 minutes --- π Workflow Highlights - Slash command trigger (/summarize) - Slack API integration to fetch messages - Claude AI for contextual summaries - Reply suggestions with smart buttons - Private Slack delivery (ephemeral messages) - Designed to be easily extended (e.g. add support for OpenAI, custom storage) --- π Note This is a lite preview of the full Mello workflow. β The full version includes: - Slack reply buttons with thread context - Full OAuth flow with token storage - MongoDB integration - Custom Claude/OpenAI configuration - Hosted version with onboarding, branding & support π‘ Want access to the complete version? π© Email nina@baloon.dev
How to import this n8n workflow
- 1
Download the workflow JSON file after purchase.
- 2
Open n8n β click the menu β Import from File.
- 3
Select the downloaded JSON and import.
- 4
Set up credentials for each node that requires them.
- 5
Click Execute Workflow to test, then activate.
Setup guide
Setup guide included
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- JSON blueprint β instant download
- Setup guide PDF included
- 5 downloads Β· valid 30 days
- Works with n8n
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