How to Connect n8n to Slack — Send Messages + @Mention Triggers (Step-by-Step)

Description

💡 Get the exact n8n workflows and JSON templates free inside my Automation Vault - www.kristorrington.com Learn how to connect n8n to Slack the clean way: set the right bot scopes, install the app, invite the bot, verify the Events URL, and wire up Post Message plus an @mention trigger. We do a live end-to-end test and show the simple production URL swap so it keeps working after you go live. Optional: add an AI agent to reply in-channel. Chapters (YouTube timestamps) 00:00 Intro + what you’ll build 00:28 Live demo: @mention → reply in Slack 00:51 Create Slack app 01:17 Add bot token scopes (app_mentions:read, channels:read, channels:join, chat:write, groups:read) 01:50 Install to workspace (base setup done) 02:08 Create channel & invite the bot 02:38 n8n: add Slack Trigger + credentials 03:00 Event Subscriptions: verify Request URL 03:20 Subscribe to app_mention 03:40 n8n AI Agent (optional) 04:50 Map Slack text → AI prompt 05:11 Post the AI response back to Slack 05:47 Go-live: swap to Production URL 06:19 Final test + wrap-up & CTA